octave-nkf: liboctave/fMatrix.cc annotate

annotate liboctave/fMatrix.cc @ 8614:5114ea5a41b5

use shallow copying in Matrix/RowVector/ColumnVector conversions

author	Jaroslav Hajek <highegg@gmail.com>
date	Wed, 28 Jan 2009 09:33:27 +0100
parents	c187f0e3a7ee
children	a1ae2aae903e

rev	line source
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1 // Matrix manipulations.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2 /*
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	4 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	5 2003, 2004, 2005, 2006, 2007 John W. Eaton
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	6 Copyright (C) 2008 Jaroslav Hajek
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	7
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	8 This file is part of Octave.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	9
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	10 Octave is free software; you can redistribute it and/or modify it
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	11 under the terms of the GNU General Public License as published by the
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	12 Free Software Foundation; either version 3 of the License, or (at your
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	13 option) any later version.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	14
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	15 Octave is distributed in the hope that it will be useful, but WITHOUT
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	18 for more details.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	19
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	20 You should have received a copy of the GNU General Public License
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	21 along with Octave; see the file COPYING. If not, see
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	22 <http://www.gnu.org/licenses/>.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	23
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	24 */
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	25
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	26 #ifdef HAVE_CONFIG_H
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	27 #include <config.h>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	28 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	29
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	30 #include <cfloat>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	31
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	32 #include <iostream>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	33 #include <vector>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	34
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	35 #include "Array-util.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	36 #include "byte-swap.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	37 #include "fMatrix.h"
8335 64cf956a109c templatize & fix DET Jaroslav Hajek <highegg@gmail.com> parents: 8211 diff changeset	38 #include "DET.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	39 #include "floatSCHUR.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	40 #include "floatSVD.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	41 #include "floatCHOL.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	42 #include "f77-fcn.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	43 #include "functor.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	44 #include "lo-error.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	45 #include "oct-locbuf.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	46 #include "lo-ieee.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	47 #include "lo-mappers.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	48 #include "lo-utils.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	49 #include "mx-base.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	50 #include "mx-fm-fdm.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	51 #include "mx-fdm-fm.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	52 #include "mx-inlines.cc"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	53 #include "oct-cmplx.h"
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	54 #include "oct-norm.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	55 #include "quit.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	56
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	57 #if defined (HAVE_FFTW3)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	58 #include "oct-fftw.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	59 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	60
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	61 // Fortran functions we call.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	62
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	63 extern "C"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	64 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	65 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	66 F77_FUNC (xilaenv, XILAENV) (const octave_idx_type&, F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	67 F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	68 const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	69 const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	70 octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	71 F77_CHAR_ARG_LEN_DECL F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	72
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	73 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	74 F77_FUNC (sgebal, SGEBAL) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	75 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	76 octave_idx_type&, float*, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	77 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	78
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	79 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	80 F77_FUNC (sgebak, SGEBAK) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	81 F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	82 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	83 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	84 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	85 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	86
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	87
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	88 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	89 F77_FUNC (sgemm, SGEMM) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	90 F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	91 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	92 const float&, const float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	93 const float*, const octave_idx_type&, const float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	94 float*, const octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	95 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	96 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	97
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	98 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	99 F77_FUNC (sgemv, SGEMV) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	100 const octave_idx_type&, const octave_idx_type&, const float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	101 const float, const octave_idx_type&, const float,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	102 const octave_idx_type&, const float&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	103 const octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	104 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	105
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	106 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	107 F77_FUNC (xsdot, XSDOT) (const octave_idx_type&, const float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	108 const float*, const octave_idx_type&, float&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	109
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	110 F77_RET_T
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	111 F77_FUNC (ssyrk, SSYRK) (F77_CONST_CHAR_ARG_DECL,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	112 F77_CONST_CHAR_ARG_DECL,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	113 const octave_idx_type&, const octave_idx_type&,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	114 const float&, const float*, const octave_idx_type&,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	115 const float&, float*, const octave_idx_type&
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	116 F77_CHAR_ARG_LEN_DECL
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	117 F77_CHAR_ARG_LEN_DECL);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	118
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	119 F77_RET_T
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	120 F77_FUNC (sgetrf, SGETRF) (const octave_idx_type&, const octave_idx_type&, float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	121 octave_idx_type*, octave_idx_type&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	122
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	123 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	124 F77_FUNC (sgetrs, SGETRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	125 const float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	126 const octave_idx_type, float, const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	127 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	128
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	129 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	130 F77_FUNC (sgetri, SGETRI) (const octave_idx_type&, float, const octave_idx_type&, const octave_idx_type,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	131 float*, const octave_idx_type&, octave_idx_type&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	132
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	133 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	134 F77_FUNC (sgecon, SGECON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	135 const octave_idx_type&, const float&, float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	136 float, octave_idx_type, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	137 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	138
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	139 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	140 F77_FUNC (sgelsy, SGELSY) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	141 float, const octave_idx_type&, float,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	142 const octave_idx_type&, octave_idx_type*, float&, octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	143 float*, const octave_idx_type&, octave_idx_type&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	144
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	145 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	146 F77_FUNC (sgelsd, SGELSD) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	147 float, const octave_idx_type&, float,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	148 const octave_idx_type&, float*, float&, octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	149 float, const octave_idx_type&, octave_idx_type,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	150 octave_idx_type&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	151
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	152 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	153 F77_FUNC (spotrf, SPOTRF) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	154 float *, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	155 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	156
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	157 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	158 F77_FUNC (spocon, SPOCON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	159 float*, const octave_idx_type&, const float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	160 float&, float, octave_idx_type,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	161 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	162 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	163 F77_FUNC (spotrs, SPOTRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	164 const octave_idx_type&, const float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	165 const octave_idx_type&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	166 const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	167 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	168
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	169 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	170 F77_FUNC (strtri, STRTRI) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	171 const octave_idx_type&, const float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	172 const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	173 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	174 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	175 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	176 F77_FUNC (strcon, STRCON) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	177 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	178 const float*, const octave_idx_type&, float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	179 float, octave_idx_type, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	180 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	181 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	182 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	183 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	184 F77_FUNC (strtrs, STRTRS) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	185 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	186 const octave_idx_type&, const float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	187 const octave_idx_type&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	188 const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	189 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	190 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	191 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	192
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	193 // Note that the original complex fft routines were not written for
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	194 // float complex arguments. They have been modified by adding an
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	195 // implicit float precision (a-h,o-z) statement at the beginning of
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	196 // each subroutine.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	197
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	198 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	199 F77_FUNC (cffti, CFFTI) (const octave_idx_type&, FloatComplex*);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	200
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	201 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	202 F77_FUNC (cfftf, CFFTF) (const octave_idx_type&, FloatComplex, FloatComplex);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	203
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	204 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	205 F77_FUNC (cfftb, CFFTB) (const octave_idx_type&, FloatComplex, FloatComplex);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	206
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	207 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	208 F77_FUNC (slartg, SLARTG) (const float&, const float&, float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	209 float&, float&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	210
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	211 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	212 F77_FUNC (strsyl, STRSYL) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	213 F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	214 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	215 const float, const octave_idx_type&, const float,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	216 const octave_idx_type&, const float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	217 float&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	218 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	219 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	220
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	221 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	222 F77_FUNC (xslange, XSLANGE) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	223 const octave_idx_type&, const float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	224 const octave_idx_type&, float*, float&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	225 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	226 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	227
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	228 // Matrix class.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	229
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	230 FloatMatrix::FloatMatrix (const FloatRowVector& rv)
8614 5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions Jaroslav Hajek <highegg@gmail.com> parents: 8392 diff changeset	231 : MArray2<float> (Array2<float> (rv, 1, rv.length ()))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	232 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	233 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	234
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	235 FloatMatrix::FloatMatrix (const FloatColumnVector& cv)
8614 5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions Jaroslav Hajek <highegg@gmail.com> parents: 8392 diff changeset	236 : MArray2<float> (Array2<float> (cv, cv.length (), 1))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	237 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	238 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	239
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	240 FloatMatrix::FloatMatrix (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	241 : MArray2<float> (a.rows (), a.cols (), 0.0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	242 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	243 for (octave_idx_type i = 0; i < a.length (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	244 elem (i, i) = a.elem (i, i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	245 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	246
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	247 FloatMatrix::FloatMatrix (const PermMatrix& a)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	248 : MArray2<float> (a.rows (), a.cols (), 0.0)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	249 {
8375 e3c9102431a9 fix design problems of diag & perm matrix classes Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	250 const Array<octave_idx_type> ia (a.pvec ());
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	251 octave_idx_type len = a.rows ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	252 if (a.is_col_perm ())
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	253 for (octave_idx_type i = 0; i < len; i++)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	254 elem (ia(i), i) = 1.0;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	255 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	256 for (octave_idx_type i = 0; i < len; i++)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	257 elem (i, ia(i)) = 1.0;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	258 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	259
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	260 // FIXME -- could we use a templated mixed-type copy function
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	261 // here?
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	262
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	263 FloatMatrix::FloatMatrix (const boolMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	264 : MArray2<float> (a.rows (), a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	265 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	266 for (octave_idx_type i = 0; i < a.rows (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	267 for (octave_idx_type j = 0; j < a.cols (); j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	268 elem (i, j) = a.elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	269 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	270
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	271 FloatMatrix::FloatMatrix (const charMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	272 : MArray2<float> (a.rows (), a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	273 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	274 for (octave_idx_type i = 0; i < a.rows (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	275 for (octave_idx_type j = 0; j < a.cols (); j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	276 elem (i, j) = a.elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	277 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	278
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	279 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	280 FloatMatrix::operator == (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	281 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	282 if (rows () != a.rows () \|\| cols () != a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	283 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	284
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	285 return mx_inline_equal (data (), a.data (), length ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	286 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	287
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	288 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	289 FloatMatrix::operator != (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	290 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	291 return !(*this == a);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	292 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	293
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	294 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	295 FloatMatrix::is_symmetric (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	296 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	297 if (is_square () && rows () > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	298 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	299 for (octave_idx_type i = 0; i < rows (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	300 for (octave_idx_type j = i+1; j < cols (); j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	301 if (elem (i, j) != elem (j, i))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	302 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	303
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	304 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	305 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	306
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	307 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	308 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	309
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	310 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	311 FloatMatrix::insert (const FloatMatrix& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	312 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	313 Array2<float>::insert (a, r, c);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	314 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	315 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	316
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	317 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	318 FloatMatrix::insert (const FloatRowVector& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	319 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	320 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	321
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	322 if (r < 0 \|\| r >= rows () \|\| c < 0 \|\| c + a_len > cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	323 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	324 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	325 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	326 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	327
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	328 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	329 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	330 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	331
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	332 for (octave_idx_type i = 0; i < a_len; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	333 xelem (r, c+i) = a.elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	334 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	335
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	336 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	337 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	338
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	339 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	340 FloatMatrix::insert (const FloatColumnVector& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	341 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	342 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	343
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	344 if (r < 0 \|\| r + a_len > rows () \|\| c < 0 \|\| c >= cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	345 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	346 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	347 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	348 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	349
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	350 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	351 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	352 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	353
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	354 for (octave_idx_type i = 0; i < a_len; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	355 xelem (r+i, c) = a.elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	356 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	357
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	358 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	359 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	360
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	361 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	362 FloatMatrix::insert (const FloatDiagMatrix& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	363 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	364 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	365 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	366
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	367 if (r < 0 \|\| r + a_nr > rows () \|\| c < 0 \|\| c + a_nc > cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	368 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	369 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	370 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	371 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	372
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	373 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	374
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	375 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	376
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	377 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	378 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	379 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	380
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	381 for (octave_idx_type i = 0; i < a_len; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	382 xelem (r+i, c+i) = a.elem (i, i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	383 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	384
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	385 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	386 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	387
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	388 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	389 FloatMatrix::fill (float val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	390 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	391 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	392 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	393
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	394 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	395 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	396 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	397
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	398 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	399 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	400 xelem (i, j) = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	401 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	402
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	403 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	404 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	405
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	406 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	407 FloatMatrix::fill (float val, octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	408 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	409 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	410 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	411
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	412 if (r1 < 0 \|\| r2 < 0 \|\| c1 < 0 \|\| c2 < 0
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	413 \|\| r1 >= nr \|\| r2 >= nr \|\| c1 >= nc \|\| c2 >= nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	414 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	415 (*current_liboctave_error_handler) ("range error for fill");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	416 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	417 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	418
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	419 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	420 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	421
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	422 if (r2 >= r1 && c2 >= c1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	423 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	424 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	425
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	426 for (octave_idx_type j = c1; j <= c2; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	427 for (octave_idx_type i = r1; i <= r2; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	428 xelem (i, j) = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	429 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	430
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	431 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	432 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	433
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	434 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	435 FloatMatrix::append (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	436 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	437 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	438 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	439 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	440 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	441 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	442 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	443 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	444
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	445 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	446 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	447 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	448 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	449 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	450 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	451
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	452 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	453 FloatMatrix::append (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	454 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	455 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	456 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	457 if (nr != 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	458 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	459 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	460 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	461 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	462
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	463 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	464 FloatMatrix retval (nr, nc + a.length ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	465 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	466 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	467 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	468 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	469
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	470 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	471 FloatMatrix::append (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	472 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	473 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	474 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	475 if (nr != a.length ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	476 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	477 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	478 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	479 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	480
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	481 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	482 FloatMatrix retval (nr, nc + 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	483 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	484 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	485 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	486 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	487
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	488 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	489 FloatMatrix::append (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	490 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	491 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	492 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	493 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	494 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	495 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	496 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	497 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	498
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	499 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	500 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	501 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	502 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	503 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	504 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	505
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	506 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	507 FloatMatrix::stack (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	508 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	509 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	510 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	511 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	512 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	513 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	514 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	515 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	516 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	517
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	518 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	519 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	520 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	521 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	522 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	523 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	524
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	525 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	526 FloatMatrix::stack (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	527 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	528 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	529 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	530 if (nc != a.length ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	531 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	532 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	533 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	534 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	535 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	536
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	537 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	538 FloatMatrix retval (nr + 1, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	539 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	540 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	541 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	542 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	543
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	544 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	545 FloatMatrix::stack (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	546 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	547 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	548 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	549 if (nc != 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	550 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	551 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	552 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	553 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	554 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	555
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	556 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	557 FloatMatrix retval (nr + a.length (), nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	558 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	559 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	560 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	561 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	562
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	563 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	564 FloatMatrix::stack (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	565 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	566 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	567 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	568 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	569 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	570 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	571 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	572 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	573 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	574
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	575 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	576 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	577 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	578 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	579 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	580 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	581
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	582 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	583 real (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	584 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	585 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	586 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	587 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	588 retval = FloatMatrix (mx_inline_real_dup (a.data (), a_len),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	589 a.rows (), a.cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	590 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	591 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	592
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	593 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	594 imag (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	595 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	596 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	597 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	598 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	599 retval = FloatMatrix (mx_inline_imag_dup (a.data (), a_len),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	600 a.rows (), a.cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	601 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	602 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	603
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	604 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	605 FloatMatrix::extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	606 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	607 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	608 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	609
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	610 octave_idx_type new_r = r2 - r1 + 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	611 octave_idx_type new_c = c2 - c1 + 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	612
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	613 FloatMatrix result (new_r, new_c);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	614
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	615 for (octave_idx_type j = 0; j < new_c; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	616 for (octave_idx_type i = 0; i < new_r; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	617 result.xelem (i, j) = elem (r1+i, c1+j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	618
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	619 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	620 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	621
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	622 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	623 FloatMatrix::extract_n (octave_idx_type r1, octave_idx_type c1, octave_idx_type nr, octave_idx_type nc) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	624 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	625 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	626
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	627 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	628 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	629 result.xelem (i, j) = elem (r1+i, c1+j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	630
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	631 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	632 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	633
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	634 // extract row or column i.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	635
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	636 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	637 FloatMatrix::row (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	638 {
8614 5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions Jaroslav Hajek <highegg@gmail.com> parents: 8392 diff changeset	639 return MArray<float> (index (idx_vector (i), idx_vector::colon));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	640 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	641
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	642 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	643 FloatMatrix::column (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	644 {
8614 5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions Jaroslav Hajek <highegg@gmail.com> parents: 8392 diff changeset	645 return MArray<float> (index (idx_vector::colon, idx_vector (i)));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	646 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	647
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	648 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	649 FloatMatrix::inverse (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	650 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	651 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	652 float rcon;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	653 MatrixType mattype (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	654 return inverse (mattype, info, rcon, 0, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	655 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	656
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	657 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	658 FloatMatrix::inverse (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	659 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	660 float rcon;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	661 MatrixType mattype (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	662 return inverse (mattype, info, rcon, 0, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	663 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	664
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	665 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	666 FloatMatrix::inverse (octave_idx_type& info, float& rcon, int force,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	667 int calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	668 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	669 MatrixType mattype (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	670 return inverse (mattype, info, rcon, force, calc_cond);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	671 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	672
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	673 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	674 FloatMatrix::inverse (MatrixType& mattype) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	675 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	676 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	677 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	678 return inverse (mattype, info, rcon, 0, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	679 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	680
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	681 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	682 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	683 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	684 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	685 return inverse (mattype, info, rcon, 0, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	686 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	687
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	688 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	689 FloatMatrix::tinverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	690 int force, int calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	691 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	692 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	693
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	694 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	695 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	696
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	697 if (nr != nc \|\| nr == 0 \|\| nc == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	698 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	699 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	700 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	701 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	702 char uplo = (typ == MatrixType::Lower ? 'L' : 'U');
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	703 char udiag = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	704 retval = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	705 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	706
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	707 F77_XFCN (strtri, STRTRI, (F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	708 F77_CONST_CHAR_ARG2 (&udiag, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	709 nr, tmp_data, nr, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	710 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	711 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	712
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	713 // Throw-away extra info LAPACK gives so as to not change output.
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	714 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	715 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	716 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	717 else if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	718 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	719 octave_idx_type dtrcon_info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	720 char job = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	721
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	722 OCTAVE_LOCAL_BUFFER (float, work, 3 * nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	723 OCTAVE_LOCAL_BUFFER (octave_idx_type, iwork, nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	724
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	725 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	726 F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	727 F77_CONST_CHAR_ARG2 (&udiag, 1),
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	728 nr, tmp_data, nr, rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	729 work, iwork, dtrcon_info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	730 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	731 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	732 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	733
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	734 if (dtrcon_info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	735 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	736 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	737
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	738 if (info == -1 && ! force)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	739 retval = *this; // Restore matrix contents.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	740 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	741
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	742 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	743 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	744
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	745
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	746 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	747 FloatMatrix::finverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	748 int force, int calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	749 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	750 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	751
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	752 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	753 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	754
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	755 if (nr != nc \|\| nr == 0 \|\| nc == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	756 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	757 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	758 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	759 Array<octave_idx_type> ipvt (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	760 octave_idx_type *pipvt = ipvt.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	761
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	762 retval = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	763 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	764
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	765 Array<float> z(1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	766 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	767
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	768 // Query the optimum work array size.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	769 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	770 z.fortran_vec (), lwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	771
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	772 lwork = static_cast<octave_idx_type> (z(0));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	773 lwork = (lwork < 2 nc ? 2nc : lwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	774 z.resize (lwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	775 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	776
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	777 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	778
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	779 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	780 float anorm = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	781 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	782 anorm = retval.abs().sum().row(static_cast<octave_idx_type>(0)).max();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	783
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	784 F77_XFCN (sgetrf, SGETRF, (nc, nc, tmp_data, nr, pipvt, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	785
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	786 // Throw-away extra info LAPACK gives so as to not change output.
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	787 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	788 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	789 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	790 else if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	791 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	792 octave_idx_type dgecon_info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	793
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	794 // Now calculate the condition number for non-singular matrix.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	795 char job = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	796 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	797 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	798 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	799 nc, tmp_data, nr, anorm,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	800 rcon, pz, piz, dgecon_info
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	801 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	802
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	803 if (dgecon_info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	804 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	805 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	806
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	807 if (info == -1 && ! force)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	808 retval = *this; // Restore matrix contents.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	809 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	810 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	811 octave_idx_type dgetri_info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	812
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	813 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	814 pz, lwork, dgetri_info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	815
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	816 if (dgetri_info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	817 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	818 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	819
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	820 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	821 mattype.mark_as_rectangular();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	822 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	823
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	824 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	825 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	826
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	827 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	828 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	829 int force, int calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	830 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	831 int typ = mattype.type (false);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	832 FloatMatrix ret;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	833
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	834 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	835 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	836
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	837 if (typ == MatrixType::Upper \|\| typ == MatrixType::Lower)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	838 ret = tinverse (mattype, info, rcon, force, calc_cond);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	839 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	840 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	841 if (mattype.is_hermitian ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	842 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	843 FloatCHOL chol (*this, info, calc_cond);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	844 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	845 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	846 if (calc_cond)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	847 rcon = chol.rcond ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	848 else
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	849 rcon = 1.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	850 ret = chol.inverse ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	851 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	852 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	853 mattype.mark_as_unsymmetric ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	854 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	855
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	856 if (!mattype.is_hermitian ())
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	857 ret = finverse(mattype, info, rcon, force, calc_cond);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	858
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	859 if ((mattype.is_hermitian () \|\| calc_cond) && rcon == 0.)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	860 ret = FloatMatrix (rows (), columns (), octave_Float_Inf);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	861 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	862
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	863 return ret;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	864 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	865
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	866 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	867 FloatMatrix::pseudo_inverse (float tol) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	868 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	869 FloatSVD result (*this, SVD::economy);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	870
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	871 FloatDiagMatrix S = result.singular_values ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	872 FloatMatrix U = result.left_singular_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	873 FloatMatrix V = result.right_singular_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	874
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	875 FloatColumnVector sigma = S.diag ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	876
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	877 octave_idx_type r = sigma.length () - 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	878 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	879 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	880
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	881 if (tol <= 0.0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	882 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	883 if (nr > nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	884 tol = nr * sigma.elem (0) * DBL_EPSILON;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	885 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	886 tol = nc * sigma.elem (0) * DBL_EPSILON;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	887 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	888
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	889 while (r >= 0 && sigma.elem (r) < tol)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	890 r--;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	891
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	892 if (r < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	893 return FloatMatrix (nc, nr, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	894 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	895 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	896 FloatMatrix Ur = U.extract (0, 0, nr-1, r);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	897 FloatDiagMatrix D = FloatDiagMatrix (sigma.extract (0, r)) . inverse ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	898 FloatMatrix Vr = V.extract (0, 0, nc-1, r);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	899 return Vr * D * Ur.transpose ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	900 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	901 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	902
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	903 #if defined (HAVE_FFTW3)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	904
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	905 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	906 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	907 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	908 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	909 size_t nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	910
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	911 FloatComplexMatrix retval (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	912
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	913 size_t npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	914
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	915 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	916 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	917 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	918 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	919 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	920 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	921 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	922 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	923 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	924 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	925
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	926 const float *in (fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	927 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	928
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	929 octave_fftw::fft (in, out, npts, nsamples);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	930
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	931 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	932 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	933
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	934 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	935 FloatMatrix::ifourier (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	936 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	937 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	938 size_t nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	939
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	940 FloatComplexMatrix retval (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	941
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	942 size_t npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	943
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	944 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	945 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	946 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	947 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	948 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	949 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	950 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	951 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	952 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	953 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	954
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	955 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	956 FloatComplex *in (tmp.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	957 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	958
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	959 octave_fftw::ifft (in, out, npts, nsamples);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	960
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	961 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	962 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	963
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	964 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	965 FloatMatrix::fourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	966 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	967 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	968
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	969 const float *in = fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	970 FloatComplexMatrix retval (rows (), cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	971 octave_fftw::fftNd (in, retval.fortran_vec (), 2, dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	972
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	973 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	974 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	975
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	976 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	977 FloatMatrix::ifourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	978 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	979 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	980
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	981 FloatComplexMatrix retval (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	982 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	983
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	984 octave_fftw::ifftNd (out, out, 2, dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	985
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	986 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	987 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	988
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	989 #else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	990
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	991 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	992 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	993 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	994 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	995
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	996 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	997 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	998
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	999 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1000
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1001 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1002 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1003 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1004 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1005 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1006 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1007 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1008 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1009 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1010 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1011
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1012 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1013
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1014 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1015 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1016
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1017 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1018 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1019
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1020 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1021
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1022 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1023 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1024 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1025
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1026 F77_FUNC (cfftf, CFFTF) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1027 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1028
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1029 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1030 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1031
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1032 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1033 FloatMatrix::ifourier (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1034 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1035 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1036
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1037 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1038 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1039
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1040 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1041
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1042 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1043 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1044 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1045 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1046 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1047 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1048 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1049 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1050 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1051 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1052
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1053 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1054
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1055 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1056 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1057
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1058 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1059 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1060
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1061 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1062
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1063 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1064 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1065 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1066
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1067 F77_FUNC (cfftb, CFFTB) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1068 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1069
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1070 for (octave_idx_type j = 0; j < npts*nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1071 tmp_data[j] = tmp_data[j] / static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1072
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1073 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1074 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1075
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1076 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1077 FloatMatrix::fourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1078 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1079 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1080
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1081 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1082 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1083
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1084 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1085
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1086 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1087 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1088 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1089 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1090 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1091 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1092 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1093 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1094 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1095 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1096
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1097 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1098
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1099 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1100 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1101
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1102 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1103 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1104
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1105 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1106
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1107 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1108 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1109 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1110
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1111 F77_FUNC (cfftf, CFFTF) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1112 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1113
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1114 npts = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1115 nsamples = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1116 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1117
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1118 wsave.resize (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1119 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1120
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1121 Array<FloatComplex> tmp (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1122 FloatComplex *prow = tmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1123
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1124 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1125
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1126 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1127 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1128 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1129
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1130 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1131 prow[i] = tmp_data[i*nr + j];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1132
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1133 F77_FUNC (cfftf, CFFTF) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1134
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1135 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1136 tmp_data[i*nr + j] = prow[i];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1137 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1138
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1139 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1140 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1141
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1142 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1143 FloatMatrix::ifourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1144 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1145 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1146
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1147 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1148 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1149
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1150 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1151
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1152 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1153 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1154 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1155 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1156 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1157 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1158 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1159 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1160 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1161 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1162
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1163 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1164
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1165 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1166 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1167
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1168 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1169 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1170
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1171 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1172
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1173 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1174 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1175 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1176
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1177 F77_FUNC (cfftb, CFFTB) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1178 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1179
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1180 for (octave_idx_type j = 0; j < npts*nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1181 tmp_data[j] = tmp_data[j] / static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1182
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1183 npts = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1184 nsamples = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1185 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1186
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1187 wsave.resize (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1188 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1189
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1190 Array<FloatComplex> tmp (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1191 FloatComplex *prow = tmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1192
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1193 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1194
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1195 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1196 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1197 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1198
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1199 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1200 prow[i] = tmp_data[i*nr + j];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1201
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1202 F77_FUNC (cfftb, CFFTB) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1203
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1204 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1205 tmp_data[i*nr + j] = prow[i] / static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1206 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1207
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1208 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1209 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1210
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1211 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1212
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1213 FloatDET
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1214 FloatMatrix::determinant (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1215 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1216 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1217 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1218 return determinant (info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1219 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1220
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1221 FloatDET
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1222 FloatMatrix::determinant (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1223 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1224 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1225 return determinant (info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1226 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1227
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1228 FloatDET
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1229 FloatMatrix::determinant (octave_idx_type& info, float& rcon, int calc_cond) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1230 {
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1231 MatrixType mattype (*this);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1232 return determinant (mattype, info, rcon, calc_cond);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1233 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1234
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1235 FloatDET
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1236 FloatMatrix::determinant (MatrixType& mattype,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1237 octave_idx_type& info, float& rcon, int calc_cond) const
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1238 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1239 FloatDET retval (1.0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1240
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1241 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1242 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1243
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1244 if (nr != nc)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1245 (*current_liboctave_error_handler) ("matrix must be square");
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1246 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1247 {
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1248 int typ = mattype.type ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1249
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1250 if (typ == MatrixType::Unknown)
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1251 typ = mattype.type (*this);
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1252
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1253 if (typ == MatrixType::Lower \|\| typ == MatrixType::Upper)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1254 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1255 for (octave_idx_type i = 0; i < nc; i++)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1256 retval *= elem (i,i);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1257 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1258 else if (typ == MatrixType::Hermitian)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1259 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1260 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1261 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1262
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1263 info = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1264 float anorm = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1265 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1266
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1267
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1268 char job = 'L';
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1269 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1270 tmp_data, nr, info
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1271 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1272
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1273 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1274 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1275 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1276 mattype.mark_as_unsymmetric ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1277 typ = MatrixType::Full;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1278 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1279 else
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1280 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1281 Array<float> z (3 * nc);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1282 float *pz = z.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1283 Array<octave_idx_type> iz (nc);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1284 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1285
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1286 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1287 nr, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1288 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1289 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1290
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1291 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1292 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1293
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1294 for (octave_idx_type i = 0; i < nc; i++)
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1295 retval *= atmp (i,i);
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1296
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1297 retval = retval.square ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1298 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1299 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1300 else if (typ != MatrixType::Full)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1301 (*current_liboctave_error_handler) ("det: invalid dense matrix type");
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1302
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1303 if (typ == MatrixType::Full)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1304 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1305 Array<octave_idx_type> ipvt (nr);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1306 octave_idx_type *pipvt = ipvt.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1307
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1308 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1309 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1310
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1311 info = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1312
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1313 // Calculate the norm of the matrix, for later use.
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1314 float anorm = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1315 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1316
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1317 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1318
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1319 // Throw-away extra info LAPACK gives so as to not change output.
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1320 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1321 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1322 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1323 info = -1;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1324 retval = FloatDET ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1325 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1326 else
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1327 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1328 if (calc_cond)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1329 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1330 // Now calc the condition number for non-singular matrix.
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1331 char job = '1';
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1332 Array<float> z (4 * nc);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1333 float *pz = z.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1334 Array<octave_idx_type> iz (nc);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1335 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1336
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1337 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1338 nc, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1339 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1340 F77_CHAR_ARG_LEN (1)));
8335 64cf956a109c templatize & fix DET Jaroslav Hajek <highegg@gmail.com> parents: 8211 diff changeset	1341 }
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1342
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1343 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1344 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1345 info = -1;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1346 retval = FloatDET ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1347 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1348 else
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1349 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1350 for (octave_idx_type i = 0; i < nc; i++)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1351 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1352 float c = atmp(i,i);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1353 retval *= (ipvt(i) != (i+1)) ? -c : c;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1354 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1355 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1356 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1357 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1358 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1359
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1360 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1361 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1362
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1363 float
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1364 FloatMatrix::rcond (void) const
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1365 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1366 MatrixType mattype (*this);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1367 return rcond (mattype);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1368 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1369
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1370 float
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1371 FloatMatrix::rcond (MatrixType &mattype) const
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1372 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1373 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1374 octave_idx_type nr = rows ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1375 octave_idx_type nc = cols ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1376
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1377 if (nr != nc)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1378 (*current_liboctave_error_handler) ("matrix must be square");
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1379 else if (nr == 0 \|\| nc == 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1380 rcon = octave_Inf;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1381 else
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1382 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1383 int typ = mattype.type ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1384
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1385 if (typ == MatrixType::Unknown)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1386 typ = mattype.type (*this);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1387
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1388 // Only calculate the condition number for LU/Cholesky
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1389 if (typ == MatrixType::Upper)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1390 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1391 const float *tmp_data = fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1392 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1393 char norm = '1';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1394 char uplo = 'U';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1395 char dia = 'N';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1396
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1397 Array<float> z (3 * nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1398 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1399 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1400 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1401
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1402 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1403 F77_CONST_CHAR_ARG2 (&uplo, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1404 F77_CONST_CHAR_ARG2 (&dia, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1405 nr, tmp_data, nr, rcon,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1406 pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1407 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1408 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1409 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1410
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1411 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1412 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1413 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1414 else if (typ == MatrixType::Permuted_Upper)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1415 (*current_liboctave_error_handler)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1416 ("permuted triangular matrix not implemented");
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1417 else if (typ == MatrixType::Lower)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1418 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1419 const float *tmp_data = fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1420 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1421 char norm = '1';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1422 char uplo = 'L';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1423 char dia = 'N';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1424
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1425 Array<float> z (3 * nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1426 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1427 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1428 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1429
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1430 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1431 F77_CONST_CHAR_ARG2 (&uplo, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1432 F77_CONST_CHAR_ARG2 (&dia, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1433 nr, tmp_data, nr, rcon,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1434 pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1435 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1436 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1437 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1438
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1439 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1440 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1441 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1442 else if (typ == MatrixType::Permuted_Lower)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1443 (*current_liboctave_error_handler)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1444 ("permuted triangular matrix not implemented");
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1445 else if (typ == MatrixType::Full \|\| typ == MatrixType::Hermitian)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1446 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1447 float anorm = -1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1448 FloatMatrix atmp = *this;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1449 float *tmp_data = atmp.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1450
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1451 if (typ == MatrixType::Hermitian)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1452 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1453 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1454 char job = 'L';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1455 anorm = atmp.abs().sum().
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1456 row(static_cast<octave_idx_type>(0)).max();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1457
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1458 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1459 tmp_data, nr, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1460 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1461
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1462 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1463 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1464 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1465 mattype.mark_as_unsymmetric ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1466 typ = MatrixType::Full;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1467 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1468 else
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1469 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1470 Array<float> z (3 * nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1471 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1472 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1473 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1474
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1475 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1476 nr, tmp_data, nr, anorm,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1477 rcon, pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1478 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1479
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1480 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1481 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1482 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1483 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1484
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1485 if (typ == MatrixType::Full)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1486 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1487 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1488
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1489 Array<octave_idx_type> ipvt (nr);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1490 octave_idx_type *pipvt = ipvt.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1491
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1492 if(anorm < 0.)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1493 anorm = atmp.abs().sum().
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1494 row(static_cast<octave_idx_type>(0)).max();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1495
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1496 Array<float> z (4 * nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1497 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1498 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1499 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1500
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1501 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1502
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1503 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1504 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1505 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1506 mattype.mark_as_rectangular ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1507 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1508 else
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1509 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1510 char job = '1';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1511 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1512 nc, tmp_data, nr, anorm,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1513 rcon, pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1514 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1515
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1516 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1517 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1518 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1519 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1520 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1521 else
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1522 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1523 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1524
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1525 return rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1526 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1527
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1528 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1529 FloatMatrix::utsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1530 float& rcon, solve_singularity_handler sing_handler,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1531 bool calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1532 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1533 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1534
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1535 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1536 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1537
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1538 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1539 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1540 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1541 else if (nr == 0 \|\| nc == 0 \|\| b.cols () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1542 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1543 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1544 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1545 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1546
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1547 if (typ == MatrixType::Permuted_Upper \|\|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1548 typ == MatrixType::Upper)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1549 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1550 octave_idx_type b_nc = b.cols ();
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1551 rcon = 1.;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1552 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1553
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1554 if (typ == MatrixType::Permuted_Upper)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1555 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1556 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1557 ("permuted triangular matrix not implemented");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1558 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1559 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1560 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1561 const float *tmp_data = fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1562
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1563 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1564 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1565 char norm = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1566 char uplo = 'U';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1567 char dia = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1568
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1569 Array<float> z (3 * nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1570 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1571 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1572 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1573
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1574 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1575 F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1576 F77_CONST_CHAR_ARG2 (&dia, 1),
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1577 nr, tmp_data, nr, rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1578 pz, piz, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1579 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1580 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1581 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1582
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1583 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1584 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1585
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1586 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1587
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1588 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1589 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1590 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1591
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1592 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1593 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1594 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1595 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1596 ("matrix singular to machine precision, rcond = %g",
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1597 rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1598 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1599 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1600
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1601 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1602 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1603 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1604 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1605
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1606 char uplo = 'U';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1607 char trans = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1608 char dia = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1609
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1610 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1611 F77_CONST_CHAR_ARG2 (&trans, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1612 F77_CONST_CHAR_ARG2 (&dia, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1613 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1614 result, nr, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1615 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1616 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1617 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1618 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1619 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1620 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1621 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1622 (*current_liboctave_error_handler) ("incorrect matrix type");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1623 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1624
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1625 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1626 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1627
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1628 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1629 FloatMatrix::ltsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1630 float& rcon, solve_singularity_handler sing_handler,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1631 bool calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1632 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1633 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1634
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1635 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1636 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1637
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1638 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1639 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1640 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1641 else if (nr == 0 \|\| nc == 0 \|\| b.cols () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1642 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1643 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1644 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1645 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1646
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1647 if (typ == MatrixType::Permuted_Lower \|\|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1648 typ == MatrixType::Lower)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1649 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1650 octave_idx_type b_nc = b.cols ();
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1651 rcon = 1.;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1652 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1653
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1654 if (typ == MatrixType::Permuted_Lower)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1655 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1656 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1657 ("permuted triangular matrix not implemented");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1658 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1659 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1660 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1661 const float *tmp_data = fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1662
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1663 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1664 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1665 char norm = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1666 char uplo = 'L';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1667 char dia = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1668
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1669 Array<float> z (3 * nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1670 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1671 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1672 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1673
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1674 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1675 F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1676 F77_CONST_CHAR_ARG2 (&dia, 1),
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1677 nr, tmp_data, nr, rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1678 pz, piz, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1679 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1680 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1681 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1682
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1683 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1684 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1685
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1686 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1687
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1688 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1689 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1690 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1691
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1692 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1693 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1694 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1695 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1696 ("matrix singular to machine precision, rcond = %g",
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1697 rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1698 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1699 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1700
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1701 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1702 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1703 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1704 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1705
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1706 char uplo = 'L';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1707 char trans = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1708 char dia = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1709
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1710 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1711 F77_CONST_CHAR_ARG2 (&trans, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1712 F77_CONST_CHAR_ARG2 (&dia, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1713 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1714 result, nr, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1715 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1716 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1717 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1718 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1719 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1720 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1721 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1722 (*current_liboctave_error_handler) ("incorrect matrix type");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1723 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1724
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1725 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1726 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1727
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1728 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1729 FloatMatrix::fsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1730 float& rcon, solve_singularity_handler sing_handler,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1731 bool calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1732 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1733 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1734
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1735 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1736 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1737
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1738 if (nr != nc \|\| nr != b.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1739 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1740 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1741 else if (nr == 0 \|\| b.cols () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1742 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1743 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1744 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1745 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1746
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1747 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1748 float anorm = -1.;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1749
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1750 if (typ == MatrixType::Hermitian)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1751 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1752 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1753 char job = 'L';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1754 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1755 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1756 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1757
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1758 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1759 tmp_data, nr, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1760 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1761
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1762 // Throw-away extra info LAPACK gives so as to not change output.
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1763 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1764 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1765 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1766 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1767
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1768 mattype.mark_as_unsymmetric ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1769 typ = MatrixType::Full;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1770 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1771 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1772 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1773 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1774 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1775 Array<float> z (3 * nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1776 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1777 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1778 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1779
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1780 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1781 nr, tmp_data, nr, anorm,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1782 rcon, pz, piz, info
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1783 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1784
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1785 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1786 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1787
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1788 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1789
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1790 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1791 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1792 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1793
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1794 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1795 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1796 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1797 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1798 ("matrix singular to machine precision, rcond = %g",
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1799 rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1800 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1801 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1802
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1803 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1804 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1805 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1806 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1807
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1808 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1809
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1810 F77_XFCN (spotrs, SPOTRS, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1811 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1812 result, b.rows(), info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1813 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1814 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1815 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1816 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1817 mattype.mark_as_unsymmetric ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1818 typ = MatrixType::Full;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1819 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1820 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1821 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1822
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1823 if (typ == MatrixType::Full)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1824 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1825 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1826
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1827 Array<octave_idx_type> ipvt (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1828 octave_idx_type *pipvt = ipvt.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1829
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1830 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1831 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1832 if(anorm < 0.)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1833 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1834
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1835 Array<float> z (4 * nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1836 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1837 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1838 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1839
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1840 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1841
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1842 // Throw-away extra info LAPACK gives so as to not change output.
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1843 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1844 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1845 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1846 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1847
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1848 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1849 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1850 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1851 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1852 ("matrix singular to machine precision");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1853
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1854 mattype.mark_as_rectangular ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1855 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1856 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1857 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1858 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1859 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1860 // Now calculate the condition number for
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1861 // non-singular matrix.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1862 char job = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1863 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1864 nc, tmp_data, nr, anorm,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1865 rcon, pz, piz, info
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1866 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1867
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1868 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1869 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1870
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1871 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1872
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1873 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1874 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1875 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1876
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1877 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1878 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1879 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1880 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1881 ("matrix singular to machine precision, rcond = %g",
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1882 rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1883 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1884 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1885
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1886 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1887 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1888 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1889 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1890
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1891 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1892
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1893 char job = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1894 F77_XFCN (sgetrs, SGETRS, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1895 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1896 pipvt, result, b.rows(), info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1897 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1898 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1899 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1900 mattype.mark_as_rectangular ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1901 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1902 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1903 else if (typ != MatrixType::Hermitian)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1904 (*current_liboctave_error_handler) ("incorrect matrix type");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1905 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1906
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1907 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1908 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1909
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1910 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1911 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1912 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1913 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1914 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1915 return solve (typ, b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1916 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1917
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1918 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1919 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1920 float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1921 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1922 return solve (typ, b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1923 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1924
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1925 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1926 FloatMatrix::solve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1927 float& rcon, solve_singularity_handler sing_handler,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1928 bool singular_fallback) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1929 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1930 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1931 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1932
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1933 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1934 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1935
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1936 // Only calculate the condition number for LU/Cholesky
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1937 if (typ == MatrixType::Upper \|\| typ == MatrixType::Permuted_Upper)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1938 retval = utsolve (mattype, b, info, rcon, sing_handler, false);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1939 else if (typ == MatrixType::Lower \|\| typ == MatrixType::Permuted_Lower)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1940 retval = ltsolve (mattype, b, info, rcon, sing_handler, false);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1941 else if (typ == MatrixType::Full \|\| typ == MatrixType::Hermitian)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1942 retval = fsolve (mattype, b, info, rcon, sing_handler, true);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1943 else if (typ != MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1944 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1945 (*current_liboctave_error_handler) ("unknown matrix type");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1946 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1947 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1948
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1949 // Rectangular or one of the above solvers flags a singular matrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1950 if (singular_fallback && mattype.type () == MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1951 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1952 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1953 retval = lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1954 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1955
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1956 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1957 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1958
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1959 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1960 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1961 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1962 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1963 return tmp.solve (typ, b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1964 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1965
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1966 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1967 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1968 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1969 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1970 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1971 return tmp.solve (typ, b, info);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1972 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1973
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1974 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1975 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1976 float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1977 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1978 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1979 return tmp.solve (typ, b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1980 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1981
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1982 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1983 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1984 float& rcon, solve_singularity_handler sing_handler,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1985 bool singular_fallback) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1986 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1987 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1988 return tmp.solve (typ, b, info, rcon, sing_handler, singular_fallback);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1989 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1990
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1991 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1992 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1993 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1994 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1995 return solve (typ, b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1996 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1997
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1998 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1999 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2000 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2001 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2002 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2003 return solve (typ, b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2004 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2005
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2006 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2007 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2008 float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2009 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2010 return solve (typ, b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2011 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2012
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2013 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2014 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2015 float& rcon, solve_singularity_handler sing_handler) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2016 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2017 FloatMatrix tmp (b);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2018 return solve (typ, tmp, info, rcon, sing_handler).column(static_cast<octave_idx_type> (0));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2019 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2020
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2021 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2022 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2023 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2024 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2025 return tmp.solve (typ, b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2026 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2027
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2028 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2029 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2030 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2031 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2032 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2033 return tmp.solve (typ, b, info);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2034 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2035
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2036 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2037 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2038 octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2039 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2040 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2041 return tmp.solve (typ, b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2042 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2043
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2044 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2045 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2046 octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2047 solve_singularity_handler sing_handler) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2048 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2049 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2050 return tmp.solve(typ, b, info, rcon, sing_handler);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2051 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2052
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2053 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2054 FloatMatrix::solve (const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2055 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2056 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2057 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2058 return solve (b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2059 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2060
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2061 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2062 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2063 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2064 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2065 return solve (b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2066 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2067
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2068 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2069 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2070 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2071 return solve (b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2072 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2073
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2074 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2075 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2076 float& rcon, solve_singularity_handler sing_handler) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2077 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2078 MatrixType mattype (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2079 return solve (mattype, b, info, rcon, sing_handler);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2080 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2081
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2082 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2083 FloatMatrix::solve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2084 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2085 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2086 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2087 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2088
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2089 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2090 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2091 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2092 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2093 return tmp.solve (b, info);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2094 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2095
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2096 FloatComplexMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2097 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2098 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2099 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2100 return tmp.solve (b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2101 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2102
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2103 FloatComplexMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2104 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2105 solve_singularity_handler sing_handler) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2106 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2107 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2108 return tmp.solve (b, info, rcon, sing_handler);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2109 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2110
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2111 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2112 FloatMatrix::solve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2113 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2114 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2115 return solve (b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2116 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2117
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2118 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2119 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2120 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2121 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2122 return solve (b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2123 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2124
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2125 FloatColumnVector
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2126 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2127 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2128 return solve (b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2129 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2130
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2131 FloatColumnVector
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2132 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2133 solve_singularity_handler sing_handler) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2134 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2135 MatrixType mattype (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2136 return solve (mattype, b, info, rcon, sing_handler);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2137 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2138
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2139 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2140 FloatMatrix::solve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2141 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2142 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2143 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2144 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2145
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2146 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2147 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2148 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2149 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2150 return tmp.solve (b, info);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2151 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2152
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2153 FloatComplexColumnVector
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2154 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2155 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2156 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2157 return tmp.solve (b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2158 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2159
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2160 FloatComplexColumnVector
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2161 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2162 solve_singularity_handler sing_handler) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2163 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2164 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2165 return tmp.solve (b, info, rcon, sing_handler);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2166 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2167
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2168 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2169 FloatMatrix::lssolve (const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2170 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2171 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2172 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2173 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2174 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2175 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2176
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2177 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2178 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2179 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2180 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2181 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2182 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2183 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2184
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2185 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2186 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2187 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2188 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2189 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2190 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2191 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2192
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2193 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2194 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2195 octave_idx_type& rank, float &rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2196 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2197 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2198
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2199 octave_idx_type nrhs = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2200
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2201 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2202 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2203
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2204 if (m != b.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2205 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2206 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2207 else if (m == 0 \|\| n == 0 \|\| b.cols () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2208 retval = FloatMatrix (n, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2209 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2210 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2211 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2212 octave_idx_type maxmn = m > n ? m : n;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2213 rcon = -1.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2214 if (m != n)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2215 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2216 retval = FloatMatrix (maxmn, nrhs, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2217
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2218 for (octave_idx_type j = 0; j < nrhs; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2219 for (octave_idx_type i = 0; i < m; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2220 retval.elem (i, j) = b.elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2221 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2222 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2223 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2224
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2225 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2226 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2227
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2228 float *pretval = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2229 Array<float> s (minmn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2230 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2231
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2232 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2233 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2234
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2235 Array<float> work (1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2236
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2237 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2238 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2239 F77_CONST_CHAR_ARG2 (" ", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2240 0, 0, 0, 0, smlsiz
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2241 F77_CHAR_ARG_LEN (6)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2242 F77_CHAR_ARG_LEN (1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2243
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2244 octave_idx_type mnthr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2245 F77_FUNC (xilaenv, XILAENV) (6, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2246 F77_CONST_CHAR_ARG2 (" ", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2247 m, n, nrhs, -1, mnthr
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2248 F77_CHAR_ARG_LEN (6)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2249 F77_CHAR_ARG_LEN (1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2250
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2251 // We compute the size of iwork because DGELSD in older versions
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2252 // of LAPACK does not return it on a query call.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2253 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2254 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2255 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2256 float tmp = log2 (dminmn / dsmlsizp1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2257 #else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2258 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2259 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2260 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2261 if (nlvl < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2262 nlvl = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2263
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2264 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2265 if (liwork < 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2266 liwork = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2267 Array<octave_idx_type> iwork (liwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2268 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2269
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2270 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2271 ps, rcon, rank, work.fortran_vec (),
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2272 lwork, piwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2273
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2274 // The workspace query is broken in at least LAPACK 3.0.0
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2275 // through 3.1.1 when n >= mnthr. The obtuse formula below
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2276 // should provide sufficient workspace for DGELSD to operate
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2277 // efficiently.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2278 if (n >= mnthr)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2279 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2280 const octave_idx_type wlalsd
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2281 = 9m + 2msmlsiz + 8mnlvl + mnrhs + (smlsiz+1)*(smlsiz+1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2282
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2283 octave_idx_type addend = m;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2284
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2285 if (2*m-4 > addend)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2286 addend = 2*m-4;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2287
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2288 if (nrhs > addend)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2289 addend = nrhs;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2290
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2291 if (n-3*m > addend)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2292 addend = n-3*m;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2293
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2294 if (wlalsd > addend)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2295 addend = wlalsd;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2296
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2297 const octave_idx_type lworkaround = 4m + mm + addend;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2298
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2299 if (work(0) < lworkaround)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2300 work(0) = lworkaround;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2301 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2302 else if (m >= n)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2303 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2304 octave_idx_type lworkaround
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2305 = 12n + 2nsmlsiz + 8nnlvl + nnrhs + (smlsiz+1)*(smlsiz+1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2306
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2307 if (work(0) < lworkaround)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2308 work(0) = lworkaround;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2309 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2310
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2311 lwork = static_cast<octave_idx_type> (work(0));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2312 work.resize (lwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2313
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2314 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2315 maxmn, ps, rcon, rank,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2316 work.fortran_vec (), lwork,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2317 piwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2318
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2319 if (rank < minmn)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2320 (*current_liboctave_warning_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2321 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2322 if (s.elem (0) == 0.0)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2323 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2324 else
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2325 rcon = s.elem (minmn - 1) / s.elem (0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2326
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2327 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2328 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2329
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2330 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2331 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2332
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2333 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2334 FloatMatrix::lssolve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2335 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2336 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2337 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2338 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2339 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2340 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2341 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2342
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2343 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2344 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2345 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2346 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2347 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2348 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2349 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2350 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2351
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2352 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2353 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2354 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2355 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2356 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2357 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2358 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2359 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2360
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2361 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2362 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2363 octave_idx_type& rank, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2364 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2365 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2366 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2367 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2368
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2369 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2370 FloatMatrix::lssolve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2371 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2372 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2373 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2374 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2375 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2376 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2377
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2378 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2379 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2380 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2381 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2382 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2383 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2384 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2385
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2386 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2387 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2388 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2389 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2390 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2391 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2392 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2393
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2394 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2395 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2396 octave_idx_type& rank, float &rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2397 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2398 FloatColumnVector retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2399
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2400 octave_idx_type nrhs = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2401
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2402 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2403 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2404
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2405 if (m != b.length ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2406 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2407 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2408 else if (m == 0 \|\| n == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2409 retval = FloatColumnVector (n, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2410 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2411 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2412 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2413 octave_idx_type maxmn = m > n ? m : n;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2414 rcon = -1.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2415
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2416 if (m != n)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2417 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2418 retval = FloatColumnVector (maxmn, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2419
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2420 for (octave_idx_type i = 0; i < m; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2421 retval.elem (i) = b.elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2422 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2423 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2424 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2425
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2426 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2427 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2428
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2429 float *pretval = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2430 Array<float> s (minmn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2431 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2432
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2433 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2434 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2435
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2436 Array<float> work (1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2437
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2438 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2439 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2440 F77_CONST_CHAR_ARG2 (" ", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2441 0, 0, 0, 0, smlsiz
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2442 F77_CHAR_ARG_LEN (6)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2443 F77_CHAR_ARG_LEN (1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2444
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2445 // We compute the size of iwork because DGELSD in older versions
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2446 // of LAPACK does not return it on a query call.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2447 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2448 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2449 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2450 float tmp = log2 (dminmn / dsmlsizp1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2451 #else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2452 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2453 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2454 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2455 if (nlvl < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2456 nlvl = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2457
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2458 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2459 if (liwork < 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2460 liwork = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2461 Array<octave_idx_type> iwork (liwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2462 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2463
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2464 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2465 ps, rcon, rank, work.fortran_vec (),
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2466 lwork, piwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2467
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2468 lwork = static_cast<octave_idx_type> (work(0));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2469 work.resize (lwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2470
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2471 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2472 maxmn, ps, rcon, rank,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2473 work.fortran_vec (), lwork,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2474 piwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2475
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2476 if (rank < minmn)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2477 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2478 if (rank < minmn)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2479 (*current_liboctave_warning_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2480 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2481 if (s.elem (0) == 0.0)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2482 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2483 else
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2484 rcon = s.elem (minmn - 1) / s.elem (0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2485 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2486
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2487 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2488 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2489
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2490 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2491 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2492
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2493 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2494 FloatMatrix::lssolve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2495 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2496 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2497 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2498 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2499 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2500 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2501 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2502
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2503 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2504 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2505 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2506 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2507 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2508 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2509 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2510 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2511
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2512 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2513 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2514 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2515 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2516 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2517 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2518 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2519 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2520
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2521 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2522 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2523 octave_idx_type& rank, float &rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2524 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2525 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2526 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2527 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2528
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2529 // Constants for matrix exponential calculation.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2530
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2531 static float padec [] =
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2532 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2533 5.0000000000000000e-1,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2534 1.1666666666666667e-1,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2535 1.6666666666666667e-2,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2536 1.6025641025641026e-3,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2537 1.0683760683760684e-4,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2538 4.8562548562548563e-6,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2539 1.3875013875013875e-7,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2540 1.9270852604185938e-9,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2541 };
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2542
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2543 static void
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2544 solve_singularity_warning (float rcon)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2545 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2546 (*current_liboctave_warning_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2547 ("singular matrix encountered in expm calculation, rcond = %g",
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2548 rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2549 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2550
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2551 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2552 FloatMatrix::operator += (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2553 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2554 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2555 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2556
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2557 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2558 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2559
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2560 if (nr != a_nr \|\| nc != a_nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2561 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2562 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2563 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2564 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2565
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2566 for (octave_idx_type i = 0; i < a.length (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2567 elem (i, i) += a.elem (i, i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2568
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2569 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2570 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2571
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2572 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2573 FloatMatrix::operator -= (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2574 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2575 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2576 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2577
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2578 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2579 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2580
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2581 if (nr != a_nr \|\| nc != a_nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2582 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2583 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2584 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2585 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2586
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2587 for (octave_idx_type i = 0; i < a.length (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2588 elem (i, i) -= a.elem (i, i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2589
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2590 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2591 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2592
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2593 // unary operations
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2594
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2595 boolMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2596 FloatMatrix::operator ! (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2597 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2598 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2599 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2600
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2601 boolMatrix b (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2602
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2603 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2604 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2605 b.elem (i, j) = ! elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2606
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2607 return b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2608 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2609
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2610 // column vector by row vector -> matrix operations
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2611
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2612 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2613 operator * (const FloatColumnVector& v, const FloatRowVector& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2614 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2615 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2616
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2617 octave_idx_type len = v.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2618
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2619 if (len != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2620 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2621 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2622
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2623 retval.resize (len, a_len);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2624 float *c = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2625
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2626 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2627 F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2628 len, a_len, 1, 1.0, v.data (), len,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2629 a.data (), 1, 0.0, c, len
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2630 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2631 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2632 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2633
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2634 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2635 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2636
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2637 // other operations.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2638
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2639 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2640 FloatMatrix::map (dmapper fcn) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2641 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2642 return MArray2<float>::map<float> (func_ptr (fcn));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2643 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2644
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2645 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2646 FloatMatrix::map (cmapper fcn) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2647 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2648 return MArray2<float>::map<FloatComplex> (func_ptr (fcn));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2649 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2650
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2651 boolMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2652 FloatMatrix::map (bmapper fcn) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2653 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2654 return MArray2<float>::map<bool> (func_ptr (fcn));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2655 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2656
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2657 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2658 FloatMatrix::any_element_is_negative (bool neg_zero) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2659 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2660 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2661
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2662 if (neg_zero)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2663 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2664 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2665 if (lo_ieee_signbit (elem (i)))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2666 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2667 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2668 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2669 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2670 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2671 if (elem (i) < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2672 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2673 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2674
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2675 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2676 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2677
7922 935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2678 bool
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2679 FloatMatrix::any_element_is_nan (void) const
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2680 {
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2681 octave_idx_type nel = nelem ();
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2682
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2683 for (octave_idx_type i = 0; i < nel; i++)
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2684 {
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2685 float val = elem (i);
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2686 if (xisnan (val))
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2687 return true;
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2688 }
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2689
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2690 return false;
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2691 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2692
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2693 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2694 FloatMatrix::any_element_is_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2695 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2696 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2697
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2698 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2699 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2700 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2701 if (xisinf (val) \|\| xisnan (val))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2702 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2703 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2704
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2705 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2706 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2707
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2708 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2709 FloatMatrix::any_element_not_one_or_zero (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2710 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2711 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2712
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2713 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2714 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2715 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2716 if (val != 0 && val != 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2717 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2718 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2719
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2720 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2721 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2722
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2723 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2724 FloatMatrix::all_elements_are_int_or_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2725 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2726 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2727
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2728 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2729 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2730 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2731 if (xisnan (val) \|\| D_NINT (val) == val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2732 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2733 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2734 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2735 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2736
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2737 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2738 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2739
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2740 // Return nonzero if any element of M is not an integer. Also extract
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2741 // the largest and smallest values and return them in MAX_VAL and MIN_VAL.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2742
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2743 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2744 FloatMatrix::all_integers (float& max_val, float& min_val) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2745 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2746 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2747
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2748 if (nel > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2749 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2750 max_val = elem (0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2751 min_val = elem (0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2752 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2753 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2754 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2755
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2756 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2757 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2758 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2759
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2760 if (val > max_val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2761 max_val = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2762
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2763 if (val < min_val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2764 min_val = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2765
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2766 if (D_NINT (val) != val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2767 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2768 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2769
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2770 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2771 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2772
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2773 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2774 FloatMatrix::too_large_for_float (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2775 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2776 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2777
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2778 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2779 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2780 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2781
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2782 if (! (xisnan (val) \|\| xisinf (val))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2783 && fabs (val) > FLT_MAX)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2784 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2785 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2786
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2787 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2788 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2789
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2790 // FIXME Do these really belong here? Maybe they should be
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2791 // in a base class?
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2792
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2793 boolMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2794 FloatMatrix::all (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2795 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2796 MX_ALL_OP (dim);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2797 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2798
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2799 boolMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2800 FloatMatrix::any (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2801 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2802 MX_ANY_OP (dim);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2803 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2804
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2805 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2806 FloatMatrix::cumprod (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2807 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2808 MX_CUMULATIVE_OP (FloatMatrix, float, *=);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2809 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2810
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2811 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2812 FloatMatrix::cumsum (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2813 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2814 MX_CUMULATIVE_OP (FloatMatrix, float, +=);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2815 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2816
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2817 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2818 FloatMatrix::prod (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2819 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2820 MX_REDUCTION_OP (FloatMatrix, *=, 1.0, 1.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2821 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2822
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2823 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2824 FloatMatrix::sum (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2825 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2826 MX_REDUCTION_OP (FloatMatrix, +=, 0.0, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2827 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2828
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2829 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2830 FloatMatrix::sumsq (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2831 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2832 #define ROW_EXPR \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2833 float d = elem (i, j); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2834 retval.elem (i, 0) += d * d
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2835
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2836 #define COL_EXPR \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2837 float d = elem (i, j); \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2838 retval.elem (0, j) += d * d
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2839
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2840 MX_BASE_REDUCTION_OP (FloatMatrix, ROW_EXPR, COL_EXPR, 0.0, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2841
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2842 #undef ROW_EXPR
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2843 #undef COL_EXPR
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2844 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2845
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2846 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2847 FloatMatrix::abs (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2848 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2849 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2850 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2851
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2852 FloatMatrix retval (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2853
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2854 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2855 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2856 retval (i, j) = fabs (elem (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2857
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2858 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2859 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2860
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2861 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2862 FloatMatrix::diag (octave_idx_type k) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2863 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2864 return MArray2<float>::diag (k);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2865 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2866
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2867 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2868 FloatMatrix::row_min (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2869 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2870 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2871 return row_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2872 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2873
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2874 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2875 FloatMatrix::row_min (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2876 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2877 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2878
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2879 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2880 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2881
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2882 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2883 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2884 result.resize (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2885 idx_arg.resize (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2886
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2887 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2888 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2889 octave_idx_type idx_j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2890
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2891 float tmp_min = octave_Float_NaN;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2892
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2893 for (idx_j = 0; idx_j < nc; idx_j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2894 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2895 tmp_min = elem (i, idx_j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2896
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2897 if (! xisnan (tmp_min))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2898 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2899 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2900
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2901 for (octave_idx_type j = idx_j+1; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2902 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2903 float tmp = elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2904
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2905 if (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2906 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2907 else if (tmp < tmp_min)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2908 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2909 idx_j = j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2910 tmp_min = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2911 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2912 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2913
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2914 result.elem (i) = tmp_min;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2915 idx_arg.elem (i) = xisnan (tmp_min) ? 0 : idx_j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2916 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2917 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2918
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2919 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2920 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2921
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2922 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2923 FloatMatrix::row_max (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2924 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2925 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2926 return row_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2927 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2928
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2929 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2930 FloatMatrix::row_max (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2931 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2932 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2933
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2934 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2935 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2936
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2937 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2938 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2939 result.resize (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2940 idx_arg.resize (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2941
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2942 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2943 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2944 octave_idx_type idx_j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2945
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2946 float tmp_max = octave_Float_NaN;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2947
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2948 for (idx_j = 0; idx_j < nc; idx_j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2949 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2950 tmp_max = elem (i, idx_j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2951
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2952 if (! xisnan (tmp_max))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2953 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2954 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2955
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2956 for (octave_idx_type j = idx_j+1; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2957 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2958 float tmp = elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2959
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2960 if (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2961 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2962 else if (tmp > tmp_max)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2963 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2964 idx_j = j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2965 tmp_max = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2966 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2967 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2968
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2969 result.elem (i) = tmp_max;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2970 idx_arg.elem (i) = xisnan (tmp_max) ? 0 : idx_j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2971 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2972 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2973
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2974 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2975 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2976
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2977 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2978 FloatMatrix::column_min (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2979 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2980 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2981 return column_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2982 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2983
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2984 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2985 FloatMatrix::column_min (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2986 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2987 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2988
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2989 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2990 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2991
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2992 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2993 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2994 result.resize (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2995 idx_arg.resize (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2996
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2997 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2998 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2999 octave_idx_type idx_i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3000
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3001 float tmp_min = octave_Float_NaN;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3002
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3003 for (idx_i = 0; idx_i < nr; idx_i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3004 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3005 tmp_min = elem (idx_i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3006
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3007 if (! xisnan (tmp_min))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3008 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3009 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3010
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3011 for (octave_idx_type i = idx_i+1; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3012 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3013 float tmp = elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3014
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3015 if (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3016 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3017 else if (tmp < tmp_min)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3018 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3019 idx_i = i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3020 tmp_min = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3021 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3022 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3023
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3024 result.elem (j) = tmp_min;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3025 idx_arg.elem (j) = xisnan (tmp_min) ? 0 : idx_i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3026 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3027 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3028
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3029 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3030 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3031
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3032 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3033 FloatMatrix::column_max (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3034 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3035 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3036 return column_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3037 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3038
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3039 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3040 FloatMatrix::column_max (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3041 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3042 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3043
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3044 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3045 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3046
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3047 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3048 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3049 result.resize (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3050 idx_arg.resize (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3051
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3052 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3053 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3054 octave_idx_type idx_i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3055
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3056 float tmp_max = octave_Float_NaN;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3057
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3058 for (idx_i = 0; idx_i < nr; idx_i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3059 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3060 tmp_max = elem (idx_i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3061
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3062 if (! xisnan (tmp_max))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3063 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3064 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3065
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3066 for (octave_idx_type i = idx_i+1; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3067 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3068 float tmp = elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3069
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3070 if (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3071 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3072 else if (tmp > tmp_max)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3073 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3074 idx_i = i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3075 tmp_max = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3076 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3077 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3078
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3079 result.elem (j) = tmp_max;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3080 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3081 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3082 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3083
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3084 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3085 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3086
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3087 std::ostream&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3088 operator << (std::ostream& os, const FloatMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3089 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3090 for (octave_idx_type i = 0; i < a.rows (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3091 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3092 for (octave_idx_type j = 0; j < a.cols (); j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3093 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3094 os << " ";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3095 octave_write_float (os, a.elem (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3096 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3097 os << "\n";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3098 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3099 return os;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3100 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3101
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3102 std::istream&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3103 operator >> (std::istream& is, FloatMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3104 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3105 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3106 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3107
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3108 if (nr < 1 \|\| nc < 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3109 is.clear (std::ios::badbit);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3110 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3111 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3112 float tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3113 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3114 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3115 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3116 tmp = octave_read_float (is);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3117 if (is)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3118 a.elem (i, j) = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3119 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3120 goto done;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3121 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3122 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3123
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3124 done:
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3125
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3126 return is;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3127 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3128
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3129 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3130 Givens (float x, float y)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3131 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3132 float cc, s, temp_r;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3133
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3134 F77_FUNC (slartg, SLARTG) (x, y, cc, s, temp_r);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3135
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3136 FloatMatrix g (2, 2);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3137
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3138 g.elem (0, 0) = cc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3139 g.elem (1, 1) = cc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3140 g.elem (0, 1) = s;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3141 g.elem (1, 0) = -s;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3142
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3143 return g;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3144 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3145
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3146 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3147 Sylvester (const FloatMatrix& a, const FloatMatrix& b, const FloatMatrix& c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3148 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3149 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3150
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3151 // FIXME -- need to check that a, b, and c are all the same
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3152 // size.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3153
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3154 // Compute Schur decompositions.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3155
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3156 FloatSCHUR as (a, "U");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3157 FloatSCHUR bs (b, "U");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3158
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3159 // Transform c to new coordinates.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3160
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3161 FloatMatrix ua = as.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3162 FloatMatrix sch_a = as.schur_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3163
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3164 FloatMatrix ub = bs.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3165 FloatMatrix sch_b = bs.schur_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3166
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3167 FloatMatrix cx = ua.transpose () * c * ub;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3168
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3169 // Solve the sylvester equation, back-transform, and return the
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3170 // solution.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3171
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3172 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3173 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3174
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3175 float scale;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3176 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3177
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3178 float *pa = sch_a.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3179 float *pb = sch_b.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3180 float *px = cx.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3181
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3182 F77_XFCN (strsyl, STRSYL, (F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3183 F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3184 1, a_nr, b_nr, pa, a_nr, pb,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3185 b_nr, px, a_nr, scale, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3186 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3187 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3188
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3189
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3190 // FIXME -- check info?
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3191
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3192 retval = -uacxub.transpose ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3193
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3194 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3195 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3196
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3197 // matrix by matrix -> matrix operations
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3198
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3199 /* Simple Dot Product, Matrix-Vector and Matrix-Matrix Unit tests
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3200 %!assert([1 2 3] * [ 4 ; 5 ; 6], 32, 1e-14)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3201 %!assert([1 2 ; 3 4 ] * [5 ; 6], [17 ; 39 ], 1e-14)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3202 %!assert([1 2 ; 3 4 ] * [5 6 ; 7 8], [19 22; 43 50], 1e-14)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3203 */
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3204
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3205 /* Test some simple identities
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3206 %!shared M, cv, rv
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3207 %! M = randn(10,10);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3208 %! cv = randn(10,1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3209 %! rv = randn(1,10);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3210 %!assert([Mcv,Mcv],M*[cv,cv],1e-14)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3211 %!assert([rvM;rvM],[rv;rv]*M,1e-14)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3212 %!assert(2rvcv,[rv,rv]*[cv;cv],1e-14)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3213 */
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3214
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3215 static const char *
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3216 get_blas_trans_arg (bool trans)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3217 {
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3218 static char blas_notrans = 'N', blas_trans = 'T';
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3219 return (trans) ? &blas_trans : &blas_notrans;
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3220 }
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3221
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3222 // the general GEMM operation
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3223
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3224 FloatMatrix
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3225 xgemm (bool transa, const FloatMatrix& a, bool transb, const FloatMatrix& b)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3226 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3227 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3228
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3229 octave_idx_type a_nr = transa ? a.cols () : a.rows ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3230 octave_idx_type a_nc = transa ? a.rows () : a.cols ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3231
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3232 octave_idx_type b_nr = transb ? b.cols () : b.rows ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3233 octave_idx_type b_nc = transb ? b.rows () : b.cols ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3234
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3235 if (a_nc != b_nr)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3236 gripe_nonconformant ("operator *", a_nr, a_nc, b_nr, b_nc);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3237 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3238 {
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3239 if (a_nr == 0 \|\| a_nc == 0 \|\| b_nc == 0)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3240 retval.resize (a_nr, b_nc, 0.0);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3241 else if (a.data () == b.data () && a_nr == b_nc && transa != transb)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3242 {
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3243 octave_idx_type lda = a.rows ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3244
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3245 retval.resize (a_nr, b_nc);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3246 float *c = retval.fortran_vec ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3247
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3248 const char *ctransa = get_blas_trans_arg (transa);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3249 F77_XFCN (ssyrk, SSYRK, (F77_CONST_CHAR_ARG2 ("U", 1),
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3250 F77_CONST_CHAR_ARG2 (ctransa, 1),
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3251 a_nr, a_nc, 1.0,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3252 a.data (), lda, 0.0, c, a_nr
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3253 F77_CHAR_ARG_LEN (1)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3254 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3255 for (int j = 0; j < a_nr; j++)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3256 for (int i = 0; i < j; i++)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3257 retval.xelem (j,i) = retval.xelem (i,j);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3258
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3259 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3260 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3261 {
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3262 octave_idx_type lda = a.rows (), tda = a.cols ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3263 octave_idx_type ldb = b.rows (), tdb = b.cols ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3264
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3265 retval.resize (a_nr, b_nc);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3266 float *c = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3267
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3268 if (b_nc == 1)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3269 {
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3270 if (a_nr == 1)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3271 F77_FUNC (xsdot, XSDOT) (a_nc, a.data (), 1, b.data (), 1, *c);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3272 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3273 {
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3274 const char *ctransa = get_blas_trans_arg (transa);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3275 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (ctransa, 1),
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3276 lda, tda, 1.0, a.data (), lda,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3277 b.data (), 1, 0.0, c, 1
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3278 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3279 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3280 }
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3281 else if (a_nr == 1)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3282 {
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3283 const char *crevtransb = get_blas_trans_arg (! transb);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3284 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (crevtransb, 1),
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3285 ldb, tdb, 1.0, b.data (), ldb,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3286 a.data (), 1, 0.0, c, 1
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3287 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3288 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3289 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3290 {
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3291 const char *ctransa = get_blas_trans_arg (transa);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3292 const char *ctransb = get_blas_trans_arg (transb);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3293 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 (ctransa, 1),
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3294 F77_CONST_CHAR_ARG2 (ctransb, 1),
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3295 a_nr, b_nc, a_nc, 1.0, a.data (),
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3296 lda, b.data (), ldb, 0.0, c, a_nr
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3297 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3298 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3299 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3300 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3301 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3302
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3303 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3304 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3305
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3306 FloatMatrix
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3307 operator * (const FloatMatrix& a, const FloatMatrix& b)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3308 {
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3309 return xgemm (false, a, false, b);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3310 }
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3311
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3312 // FIXME -- it would be nice to share code among the min/max
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3313 // functions below.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3314
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3315 #define EMPTY_RETURN_CHECK(T) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3316 if (nr == 0 \|\| nc == 0) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3317 return T (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3318
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3319 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3320 min (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3321 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3322 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3323 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3324
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3325 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3326
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3327 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3328
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3329 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3330 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3331 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3332 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3333 result (i, j) = xmin (d, m (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3334 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3335
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3336 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3337 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3338
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3339 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3340 min (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3341 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3342 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3343 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3344
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3345 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3346
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3347 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3348
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3349 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3350 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3351 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3352 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3353 result (i, j) = xmin (m (i, j), d);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3354 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3355
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3356 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3357 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3358
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3359 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3360 min (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3361 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3362 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3363 octave_idx_type nc = a.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3364
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3365 if (nr != b.rows () \|\| nc != b.columns ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3366 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3367 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3368 ("two-arg min expecting args of same size");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3369 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3370 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3371
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3372 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3373
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3374 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3375
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3376 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3377 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3378 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3379 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3380 result (i, j) = xmin (a (i, j), b (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3381 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3382
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3383 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3384 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3385
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3386 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3387 max (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3388 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3389 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3390 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3391
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3392 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3393
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3394 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3395
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3396 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3397 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3398 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3399 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3400 result (i, j) = xmax (d, m (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3401 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3402
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3403 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3404 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3405
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3406 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3407 max (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3408 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3409 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3410 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3411
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3412 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3413
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3414 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3415
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3416 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3417 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3418 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3419 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3420 result (i, j) = xmax (m (i, j), d);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3421 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3422
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3423 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3424 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3425
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3426 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3427 max (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3428 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3429 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3430 octave_idx_type nc = a.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3431
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3432 if (nr != b.rows () \|\| nc != b.columns ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3433 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3434 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3435 ("two-arg max expecting args of same size");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3436 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3437 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3438
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3439 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3440
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3441 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3442
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3443 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3444 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3445 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3446 OCTAVE_QUIT;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3447 result (i, j) = xmax (a (i, j), b (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3448 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3449
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3450 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3451 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3452
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3453 MS_CMP_OPS(FloatMatrix, , float, )
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3454 MS_BOOL_OPS(FloatMatrix, float, 0.0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3455
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3456 SM_CMP_OPS(float, , FloatMatrix, )
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3457 SM_BOOL_OPS(float, FloatMatrix, 0.0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3458
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3459 MM_CMP_OPS(FloatMatrix, , FloatMatrix, )
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3460 MM_BOOL_OPS(FloatMatrix, FloatMatrix, 0.0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3461
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3462 /*
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3463 ;;; Local Variables: ***
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3464 ;;; mode: C++ ***
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3465 ;;; End: ***
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3466 */

Mercurial > octave-nkf

annotate liboctave/fMatrix.cc @ 8614:5114ea5a41b5