octave: libinterp/corefcn/xpow.cc annotate

annotate libinterp/corefcn/xpow.cc @ 21200:fcac5dbbf9ed

maint: Indent #ifdef blocks in libinterp. * builtins.h, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, cellfun.cc, colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defaults.in.h, defun-dld.h, defun.cc, defun.h, det.cc, dirfns.cc, display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, gripes.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-typeinfo.cc, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc, mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hdf5.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc, oct-strstrm.cc, octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, sysdep.h, time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng-ft.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xnorm.cc, xpow.cc, zfstream.cc, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, oct-qhull.h, qr.cc, symbfact.cc, symrcm.cc, oct-conf.in.cc, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc, ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-colon.h, pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc, pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc: Indent #ifdef blocks in libinterp.

author	Rik <rik@octave.org>
date	Fri, 05 Feb 2016 16:29:08 -0800
parents	4c54a269ad44
children	40de9f8f23a6

rev	line source
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19269 diff changeset	3 Copyright (C) 1993-2015 John W. Eaton
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11030 diff changeset	4 Copyright (C) 2009-2010 VZLU Prague
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	5
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	7
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6207 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6207 diff changeset	11 option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	12
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6207 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6207 diff changeset	20 <http://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	21
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	23
240 a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe] jwe parents: 164 diff changeset	24 #ifdef HAVE_CONFIG_H
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21161 diff changeset	25 # include <config.h>
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	26 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	27
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1321 diff changeset	28 #include <cassert>
15215 9020dddc925a use std::numeric_limits for integer max and min values John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	29
9020dddc925a use std::numeric_limits for integer max and min values John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	30 #include <limits>
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1321 diff changeset	31
4669 334a27c8f453 [project @ 2003-11-26 07:02:42 by jwe] jwe parents: 4543 diff changeset	32 #include "Array-util.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	33 #include "CColVector.h"
453 393e95f46b51 [project @ 1994-06-06 00:05:20 by jwe] jwe parents: 240 diff changeset	34 #include "CDiagMatrix.h"
8382 9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	35 #include "fCDiagMatrix.h"
19269 65554f5847ac don't include oct-locbuf.h in header files unnecessarily John W. Eaton <jwe@octave.org> parents: 19018 diff changeset	36 #include "fCMatrix.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	37 #include "CMatrix.h"
453 393e95f46b51 [project @ 1994-06-06 00:05:20 by jwe] jwe parents: 240 diff changeset	38 #include "EIG.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	39 #include "fEIG.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	40 #include "dDiagMatrix.h"
8382 9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	41 #include "fDiagMatrix.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	42 #include "dMatrix.h"
8958 6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	43 #include "PermMatrix.h"
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3178 diff changeset	44 #include "mx-cm-cdm.h"
19269 65554f5847ac don't include oct-locbuf.h in header files unnecessarily John W. Eaton <jwe@octave.org> parents: 19018 diff changeset	45 #include "mx-fcm-fcdm.h"
1651 e846e361a265 [project @ 1995-12-20 06:59:12 by jwe] jwe parents: 1580 diff changeset	46 #include "oct-cmplx.h"
9103 10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	47 #include "Range.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	48 #include "quit.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	49
19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	50 #include "error.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20679 diff changeset	51 #include "ovl.h"
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	52 #include "utils.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1343 diff changeset	53 #include "xpow.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	54
13005 4061106b1c4b Enable automatic bsxfun for power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	55 #include "bsxfun.h"
4061106b1c4b Enable automatic bsxfun for power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	56
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	57
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	58 static void
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	59 err_failed_diagonalization (void)
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	60 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	61 error ("Failed to diagonalize matrix while calculating matrix exponential");
4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	62 }
4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	63
4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	64 static void
4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	65 err_nonsquare_matrix (void)
4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	66 {
4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	67 error ("for x^A, A must be a square matrix. Use .^ for elementwise power.");
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	68 }
19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	69
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	70 static inline int
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	71 xisint (double x)
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	72 {
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	73 return (D_NINT (x) == x
15215 9020dddc925a use std::numeric_limits for integer max and min values John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	74 && ((x >= 0 && x < std::numeric_limits<int>::max ())
9020dddc925a use std::numeric_limits for integer max and min values John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	75 \|\| (x <= 0 && x > std::numeric_limits<int>::min ())));
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	76 }
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	77
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	78 // Safer pow functions.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	79 //
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	80 // op2 \ op1: s m cs cm
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	81 // +-- +---+---+----+----+
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	82 // scalar \| \| 1 \| 5 \| 7 \| 11 \|
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	83 // +---+---+----+----+
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	84 // matrix \| 2 \| * \| 8 \| * \|
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	85 // +---+---+----+----+
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	86 // complex_scalar \| 3 \| 6 \| 9 \| 12 \|
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	87 // +---+---+----+----+
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	88 // complex_matrix \| 4 \| * \| 10 \| * \|
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	89 // +---+---+----+----+
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	90
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	91 // -- 1 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	92 octave_value
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	93 xpow (double a, double b)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	94 {
7543 b84c5cbc0812 print.m: handle gif and jpg devices John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	95 double retval;
b84c5cbc0812 print.m: handle gif and jpg devices John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	96
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	97 if (a < 0.0 && ! xisint (b))
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	98 {
5260 deed800e7bef [project @ 2005-03-30 23:18:58 by jwe] jwe parents: 4790 diff changeset	99 Complex atmp (a);
4682 994f449a1eba [project @ 2003-12-19 15:37:14 by jwe] jwe parents: 4669 diff changeset	100
5260 deed800e7bef [project @ 2005-03-30 23:18:58 by jwe] jwe parents: 4790 diff changeset	101 return std::pow (atmp, b);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	102 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	103 else
7543 b84c5cbc0812 print.m: handle gif and jpg devices John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	104 retval = std::pow (a, b);
b84c5cbc0812 print.m: handle gif and jpg devices John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	105
b84c5cbc0812 print.m: handle gif and jpg devices John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	106 return retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	107 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	108
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	109 // -- 2 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	110 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	111 xpow (double a, const Matrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	112 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	113 octave_value retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	114
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	115 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	116 octave_idx_type nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	117
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	118 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	119 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	120
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	121 try
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	122 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	123 EIG b_eig (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	124
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	125 ComplexColumnVector lambda (b_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	126 ComplexMatrix Q (b_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	127
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	128 for (octave_idx_type i = 0; i < nr; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	129 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	130 Complex elt = lambda(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	131 if (std::imag (elt) == 0.0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	132 lambda(i) = std::pow (a, std::real (elt));
11030 231946a9ad55 make the result of r^m real when r > 0 Jaroslav Hajek <highegg@gmail.com> parents: 11011 diff changeset	133 else
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	134 lambda(i) = std::pow (a, elt);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	135 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	136 ComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	137
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	138 ComplexMatrix C = Q * D * Q.inverse ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	139 if (a > 0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	140 retval = real (C);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	141 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	142 retval = C;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	143 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	144 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	145 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	146 err_failed_diagonalization ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	147 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	148
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	149 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	150 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	151
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	152 // -- 3 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	153 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	154 xpow (double a, const Complex& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	155 {
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	156 Complex result = std::pow (a, b);
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	157 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	158 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	159
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	160 // -- 4 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	161 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	162 xpow (double a, const ComplexMatrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	163 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	164 octave_value retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	165
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	166 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	167 octave_idx_type nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	168
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	169 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	170 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	171
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	172 EIG b_eig (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	173
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	174 try
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	175 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	176 ComplexColumnVector lambda (b_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	177 ComplexMatrix Q (b_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	178
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	179 for (octave_idx_type i = 0; i < nr; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	180 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	181 Complex elt = lambda(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	182 if (std::imag (elt) == 0.0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	183 lambda(i) = std::pow (a, std::real (elt));
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	184 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	185 lambda(i) = std::pow (a, elt);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	186 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	187 ComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	188
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	189 retval = ComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	190 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	191 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	192 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	193 err_failed_diagonalization ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	194 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	195
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	196 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	197 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	198
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	199 // -- 5 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	200 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	201 xpow (const Matrix& a, double b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	202 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	203 octave_value retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	204
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	205 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	206 octave_idx_type nc = a.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	207
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	208 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	209 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	210
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	211 if (static_cast<int> (b) == b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	212 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	213 int btmp = static_cast<int> (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	214 if (btmp == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	215 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	216 retval = DiagMatrix (nr, nr, 1.0);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	217 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	218 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	219 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	220 // Too much copying?
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	221 // FIXME: we shouldn't do this if the exponent is large...
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	222
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	223 Matrix atmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	224 if (btmp < 0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	225 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	226 btmp = -btmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	227
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	228 octave_idx_type info;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	229 double rcond = 0.0;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	230 MatrixType mattype (a);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	231
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	232 atmp = a.inverse (mattype, info, rcond, 1);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	233
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	234 if (info == -1)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	235 warning ("inverse: matrix singular to machine\
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	236 precision, rcond = %g", rcond);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	237 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	238 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	239 atmp = a;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	240
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	241 Matrix result (atmp);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	242
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	243 btmp--;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	244
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	245 while (btmp > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	246 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	247 if (btmp & 1)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	248 result = result * atmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	249
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	250 btmp >>= 1;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	251
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	252 if (btmp > 0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	253 atmp = atmp * atmp;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	254 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	255
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	256 retval = result;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	257 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	258 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	259 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	260 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	261 EIG a_eig (a);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	262
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	263 try
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	264 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	265 ComplexColumnVector lambda (a_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	266 ComplexMatrix Q (a_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	267
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	268 for (octave_idx_type i = 0; i < nr; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	269 lambda(i) = std::pow (lambda(i), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	270
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	271 ComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	272
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	273 retval = ComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	274 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	275 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	276 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	277 err_failed_diagonalization ();
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	278 }
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	279 }
1358 dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	280
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	281 return retval;
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	282 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	283
8382 9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	284 // -- 5d --
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	285 octave_value
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	286 xpow (const DiagMatrix& a, double b)
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	287 {
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	288 octave_value retval;
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	289
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	290 octave_idx_type nr = a.rows ();
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	291 octave_idx_type nc = a.cols ();
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	292
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	293 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	294 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	295
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	296 if (static_cast<int> (b) == b)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	297 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	298 DiagMatrix r (nr, nc);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	299 for (octave_idx_type i = 0; i < nc; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	300 r.dgelem (i) = std::pow (a.dgelem (i), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	301 retval = r;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	302 }
8382 9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	303 else
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	304 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	305 ComplexDiagMatrix r (nr, nc);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	306 for (octave_idx_type i = 0; i < nc; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	307 r.dgelem (i) = std::pow (static_cast<Complex> (a.dgelem (i)), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	308 retval = r;
8382 9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	309 }
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	310
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	311 return retval;
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	312 }
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	313
8958 6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	314 // -- 5p --
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	315 octave_value
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	316 xpow (const PermMatrix& a, double b)
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	317 {
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	318 int btmp = static_cast<int> (b);
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	319 if (btmp == b)
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	320 return a.power (btmp);
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	321 else
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	322 return xpow (Matrix (a), b);
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	323 }
6ccc12cc65ef implement raising a permutation matrix to integer power Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	324
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	325 // -- 6 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	326 octave_value
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	327 xpow (const Matrix& a, const Complex& b)
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	328 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	329 octave_value retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	330
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	331 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	332 octave_idx_type nc = a.cols ();
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	333
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	334 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	335 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	336
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	337 EIG a_eig (a);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	338
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	339 try
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	340 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	341 ComplexColumnVector lambda (a_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	342 ComplexMatrix Q (a_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	343
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	344 for (octave_idx_type i = 0; i < nr; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	345 lambda(i) = std::pow (lambda(i), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	346
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	347 ComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	348
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	349 retval = ComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	350 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	351 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	352 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	353 err_failed_diagonalization ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	354 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	355
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	356 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	357 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	358
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	359 // -- 7 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	360 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	361 xpow (const Complex& a, double b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	362 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	363 Complex result;
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	364
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	365 if (xisint (b))
5260 deed800e7bef [project @ 2005-03-30 23:18:58 by jwe] jwe parents: 4790 diff changeset	366 result = std::pow (a, static_cast<int> (b));
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	367 else
5260 deed800e7bef [project @ 2005-03-30 23:18:58 by jwe] jwe parents: 4790 diff changeset	368 result = std::pow (a, b);
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	369
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	370 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	371 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	372
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	373 // -- 8 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	374 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	375 xpow (const Complex& a, const Matrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	376 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	377 octave_value retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	378
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	379 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	380 octave_idx_type nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	381
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	382 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	383 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	384
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	385 EIG b_eig (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	386
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	387 try
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	388 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	389 ComplexColumnVector lambda (b_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	390 ComplexMatrix Q (b_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	391
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	392 for (octave_idx_type i = 0; i < nr; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	393 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	394 Complex elt = lambda(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	395 if (std::imag (elt) == 0.0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	396 lambda(i) = std::pow (a, std::real (elt));
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	397 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	398 lambda(i) = std::pow (a, elt);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	399 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	400 ComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	401
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	402 retval = ComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	403 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	404 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	405 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	406 err_failed_diagonalization ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	407 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	408
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	409 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	410 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	411
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	412 // -- 9 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	413 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	414 xpow (const Complex& a, const Complex& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	415 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	416 Complex result;
5260 deed800e7bef [project @ 2005-03-30 23:18:58 by jwe] jwe parents: 4790 diff changeset	417 result = std::pow (a, b);
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	418 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	419 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	420
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	421 // -- 10 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	422 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	423 xpow (const Complex& a, const ComplexMatrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	424 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	425 octave_value retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	426
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	427 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	428 octave_idx_type nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	429
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	430 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	431 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	432
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	433 EIG b_eig (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	434
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	435 try
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	436 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	437 ComplexColumnVector lambda (b_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	438 ComplexMatrix Q (b_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	439
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	440 for (octave_idx_type i = 0; i < nr; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	441 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	442 Complex elt = lambda(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	443 if (std::imag (elt) == 0.0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	444 lambda(i) = std::pow (a, std::real (elt));
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	445 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	446 lambda(i) = std::pow (a, elt);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	447 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	448 ComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	449
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	450 retval = ComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	451 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	452 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	453 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	454 err_failed_diagonalization ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	455 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	456
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	457 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	458 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	459
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	460 // -- 11 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	461 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	462 xpow (const ComplexMatrix& a, double b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	463 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	464 octave_value retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	465
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	466 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	467 octave_idx_type nc = a.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	468
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	469 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	470 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	471
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	472 if (static_cast<int> (b) == b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	473 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	474 int btmp = static_cast<int> (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	475 if (btmp == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	476 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	477 retval = DiagMatrix (nr, nr, 1.0);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	478 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	479 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	480 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	481 // Too much copying?
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	482 // FIXME: we shouldn't do this if the exponent is large...
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	483
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	484 ComplexMatrix atmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	485 if (btmp < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	486 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	487 btmp = -btmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	488
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	489 octave_idx_type info;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	490 double rcond = 0.0;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	491 MatrixType mattype (a);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	492
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	493 atmp = a.inverse (mattype, info, rcond, 1);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	494
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	495 if (info == -1)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	496 warning ("inverse: matrix singular to machine\
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	497 precision, rcond = %g", rcond);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	498 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	499 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	500 atmp = a;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	501
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	502 ComplexMatrix result (atmp);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	503
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	504 btmp--;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	505
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	506 while (btmp > 0)
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	507 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	508 if (btmp & 1)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	509 result = result * atmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	510
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	511 btmp >>= 1;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	512
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	513 if (btmp > 0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	514 atmp = atmp * atmp;
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	515 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	516
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	517 retval = result;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	518 }
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	519 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	520 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	521 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	522 EIG a_eig (a);
7578 91f8446ce4ae handle possible error from EIG John W. Eaton <jwe@octave.org> parents: 7543 diff changeset	523
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	524 try
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	525 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	526 ComplexColumnVector lambda (a_eig.eigenvalues ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	527 ComplexMatrix Q (a_eig.eigenvectors ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	528
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	529 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	530 lambda(i) = std::pow (lambda(i), b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	531
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	532 ComplexDiagMatrix D (lambda);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	533
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	534 retval = ComplexMatrix (Q * D * Q.inverse ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	535 }
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	536 catch (const octave_execution_exception&)
19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	537 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	538 err_failed_diagonalization ();
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	539 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	540 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	541
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	542 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	543 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	544
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	545 // -- 12 --
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	546 octave_value
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	547 xpow (const ComplexMatrix& a, const Complex& b)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	548 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	549 octave_value retval;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	550
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	551 octave_idx_type nr = a.rows ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	552 octave_idx_type nc = a.cols ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	553
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	554 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	555 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	556
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	557 EIG a_eig (a);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	558
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	559 try
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	560 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	561 ComplexColumnVector lambda (a_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	562 ComplexMatrix Q (a_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	563
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	564 for (octave_idx_type i = 0; i < nr; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	565 lambda(i) = std::pow (lambda(i), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	566
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	567 ComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	568
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	569 retval = ComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	570 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	571 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	572 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	573 err_failed_diagonalization ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	574 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	575
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	576 return retval;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	577 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	578
8382 9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	579 // -- 12d --
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	580 octave_value
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	581 xpow (const ComplexDiagMatrix& a, const Complex& b)
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	582 {
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	583 octave_value retval;
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	584
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	585 octave_idx_type nr = a.rows ();
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	586 octave_idx_type nc = a.cols ();
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	587
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	588 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	589 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	590
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	591 ComplexDiagMatrix r (nr, nc);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	592 for (octave_idx_type i = 0; i < nc; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	593 r(i, i) = std::pow (a(i, i), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	594 retval = r;
8382 9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	595
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	596 return retval;
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	597 }
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	598
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	599 // mixed
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	600 octave_value
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	601 xpow (const ComplexDiagMatrix& a, double b)
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	602 {
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	603 return xpow (a, static_cast<Complex> (b));
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	604 }
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	605
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	606 octave_value
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	607 xpow (const DiagMatrix& a, const Complex& b)
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	608 {
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	609 return xpow (ComplexDiagMatrix (a), b);
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	610 }
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	611
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	612
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	613 // Safer pow functions that work elementwise for matrices.
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	614 //
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	615 // op2 \ op1: s m cs cm
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	616 // +-- +---+---+----+----+
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	617 // scalar \| \| * \| 3 \| * \| 9 \|
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	618 // +---+---+----+----+
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	619 // matrix \| 1 \| 4 \| 7 \| 10 \|
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	620 // +---+---+----+----+
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	621 // complex_scalar \| * \| 5 \| * \| 11 \|
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	622 // +---+---+----+----+
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	623 // complex_matrix \| 2 \| 6 \| 8 \| 12 \|
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	624 // +---+---+----+----+
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	625 //
42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	626 // * -> not needed.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	627
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17749 diff changeset	628 // FIXME: these functions need to be fixed so that things like
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	629 //
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	630 // a = -1; b = [ 0, 0.5, 1 ]; r = a .^ b
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	631 //
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	632 // and
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	633 //
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	634 // a = -1; b = [ 0, 0.5, 1 ]; for i = 1:3, r(i) = a .^ b(i), end
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	635 //
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	636 // produce identical results. Also, it would be nice if -1^0.5
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	637 // produced a pure imaginary result instead of a complex number with a
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	638 // small real part. But perhaps that's really a problem with the math
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	639 // library...
7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	640
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	641 // -- 1 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	642 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	643 elem_xpow (double a, const Matrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	644 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	645 octave_value retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	646
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	647 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	648 octave_idx_type nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	649
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	650 double d1, d2;
1358 dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	651
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3125 diff changeset	652 if (a < 0.0 && ! b.all_integers (d1, d2))
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	653 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	654 Complex atmp (a);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	655 ComplexMatrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	656
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	657 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	658 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	659 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	660 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	661 result (i, j) = std::pow (atmp, b (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	662 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	663
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	664 retval = result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	665 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	666 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	667 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	668 Matrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	669
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	670 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	671 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	672 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	673 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	674 result (i, j) = std::pow (a, b (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	675 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	676
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	677 retval = result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	678 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	679
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	680 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	681 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	682
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	683 // -- 2 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	684 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	685 elem_xpow (double a, const ComplexMatrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	686 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	687 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	688 octave_idx_type nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	689
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	690 ComplexMatrix result (nr, nc);
3125 dcc6c985d72d [project @ 1998-01-16 05:08:21 by jwe] jwe parents: 2847 diff changeset	691 Complex atmp (a);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	692
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	693 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	694 for (octave_idx_type i = 0; i < nr; i++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	695 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	696 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	697 result (i, j) = std::pow (atmp, b (i, j));
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	698 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	699
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	700 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	701 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	702
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	703 static inline bool
9123 f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	704 same_sign (double a, double b)
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	705 {
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	706 return (a >= 0 && b >= 0) \|\| (a <= 0 && b <= 0);
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	707 }
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	708
9103 10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	709 octave_value
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	710 elem_xpow (double a, const Range& r)
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	711 {
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	712 octave_value retval;
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	713
9123 f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	714 // Only optimize powers with ranges that are integer and monotonic in
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	715 // magnitude.
20228 00cf2847355d Deprecate Array::nelem() and Range::nelem() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	716 if (r.numel () > 1 && r.all_elements_are_ints ()
9123 f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	717 && same_sign (r.base (), r.limit ()))
9103 10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	718 {
20228 00cf2847355d Deprecate Array::nelem() and Range::nelem() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	719 octave_idx_type n = r.numel ();
9123 f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	720 Matrix result (1, n);
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	721 if (same_sign (r.base (), r.inc ()))
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	722 {
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	723 double base = std::pow (a, r.base ());
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	724 double inc = std::pow (a, r.inc ());
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	725 result(0) = base;
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	726 for (octave_idx_type i = 1; i < n; i++)
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	727 result(i) = (base *= inc);
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	728 }
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	729 else
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	730 {
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	731 // Don't use Range::limit () here.
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	732 double limit = std::pow (a, r.base () + (n-1) * r.inc ());
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	733 double inc = std::pow (a, -r.inc ());
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	734 result(n-1) = limit;
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	735 for (octave_idx_type i = n-2; i >= 0; i--)
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	736 result(i) = (limit *= inc);
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	737 }
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	738
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	739 retval = result;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	740 }
9103 10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	741 else
9123 f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	742 retval = elem_xpow (a, r.matrix_value ());
9103 10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	743
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	744 return retval;
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	745 }
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	746
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	747 // -- 3 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	748 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	749 elem_xpow (const Matrix& a, double b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	750 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	751 octave_value retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	752
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	753 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	754 octave_idx_type nc = a.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	755
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	756 if (! xisint (b) && a.any_element_is_negative ())
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	757 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	758 ComplexMatrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	759
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	760 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	761 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	762 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	763 octave_quit ();
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	764
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	765 Complex atmp (a (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	766
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	767 result (i, j) = std::pow (atmp, b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	768 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	769
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	770 retval = result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	771 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	772 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	773 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	774 Matrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	775
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	776 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	777 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	778 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	779 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	780 result (i, j) = std::pow (a (i, j), b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	781 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	782
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	783 retval = result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	784 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	785
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	786 return retval;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	787 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	788
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	789 // -- 4 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	790 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	791 elem_xpow (const Matrix& a, const Matrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	792 {
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	793 octave_value retval;
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	794
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	795 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	796 octave_idx_type nc = a.cols ();
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	797
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	798 octave_idx_type b_nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	799 octave_idx_type b_nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	800
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	801 if (nr != b_nr \|\| nc != b_nc)
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	802 err_nonconformant ("operator .^", nr, nc, b_nr, b_nc);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	803
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	804 int convert_to_complex = 0;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	805 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	806 for (octave_idx_type i = 0; i < nr; i++)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	807 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	808 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	809 double atmp = a (i, j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	810 double btmp = b (i, j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	811 if (atmp < 0.0 && static_cast<int> (btmp) != btmp)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	812 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	813 convert_to_complex = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	814 goto done;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	815 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	816 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	817
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	818 done:
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	819
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	820 if (convert_to_complex)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	821 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	822 ComplexMatrix complex_result (nr, nc);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	823
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	824 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	825 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	826 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	827 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	828 Complex atmp (a (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	829 Complex btmp (b (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	830 complex_result (i, j) = std::pow (atmp, btmp);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	831 }
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	832
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	833 retval = complex_result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	834 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	835 else
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	836 {
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	837 Matrix result (nr, nc);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	838
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	839 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	840 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	841 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	842 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	843 result (i, j) = std::pow (a (i, j), b (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	844 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	845
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	846 retval = result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	847 }
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	848
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	849 return retval;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	850 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	851
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	852 // -- 5 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	853 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	854 elem_xpow (const Matrix& a, const Complex& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	855 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	856 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	857 octave_idx_type nc = a.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	858
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	859 ComplexMatrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	860
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	861 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	862 for (octave_idx_type i = 0; i < nr; i++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	863 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	864 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	865 result (i, j) = std::pow (Complex (a (i, j)), b);
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	866 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	867
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	868 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	869 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	870
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	871 // -- 6 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	872 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	873 elem_xpow (const Matrix& a, const ComplexMatrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	874 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	875 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	876 octave_idx_type nc = a.cols ();
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	877
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	878 octave_idx_type b_nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	879 octave_idx_type b_nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	880
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	881 if (nr != b_nr \|\| nc != b_nc)
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	882 err_nonconformant ("operator .^", nr, nc, b_nr, b_nc);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	883
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	884 ComplexMatrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	885
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	886 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	887 for (octave_idx_type i = 0; i < nr; i++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	888 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	889 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	890 result (i, j) = std::pow (Complex (a (i, j)), b (i, j));
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	891 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	892
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	893 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	894 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	895
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	896 // -- 7 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	897 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	898 elem_xpow (const Complex& a, const Matrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	899 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	900 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	901 octave_idx_type nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	902
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	903 ComplexMatrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	904
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	905 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	906 for (octave_idx_type i = 0; i < nr; i++)
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	907 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	908 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	909 double btmp = b (i, j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	910 if (xisint (btmp))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	911 result (i, j) = std::pow (a, static_cast<int> (btmp));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	912 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	913 result (i, j) = std::pow (a, btmp);
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	914 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	915
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	916 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	917 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	918
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	919 // -- 8 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	920 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	921 elem_xpow (const Complex& a, const ComplexMatrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	922 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	923 octave_idx_type nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	924 octave_idx_type nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	925
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	926 ComplexMatrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	927
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	928 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	929 for (octave_idx_type i = 0; i < nr; i++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	930 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	931 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	932 result (i, j) = std::pow (a, b (i, j));
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	933 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	934
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	935 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	936 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	937
9103 10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	938 octave_value
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	939 elem_xpow (const Complex& a, const Range& r)
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	940 {
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	941 octave_value retval;
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	942
9123 f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	943 // Only optimize powers with ranges that are integer and monotonic in
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	944 // magnitude.
20228 00cf2847355d Deprecate Array::nelem() and Range::nelem() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	945 if (r.numel () > 1 && r.all_elements_are_ints ()
9123 f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	946 && same_sign (r.base (), r.limit ()))
9103 10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	947 {
20228 00cf2847355d Deprecate Array::nelem() and Range::nelem() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	948 octave_idx_type n = r.numel ();
9123 f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	949 ComplexMatrix result (1, n);
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	950
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	951 if (same_sign (r.base (), r.inc ()))
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	952 {
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	953 Complex base = std::pow (a, r.base ());
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	954 Complex inc = std::pow (a, r.inc ());
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	955 result(0) = base;
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	956 for (octave_idx_type i = 1; i < n; i++)
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	957 result(i) = (base *= inc);
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	958 }
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	959 else
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	960 {
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	961 // Don't use Range::limit () here.
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	962 Complex limit = std::pow (a, r.base () + (n-1) * r.inc ());
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	963 Complex inc = std::pow (a, -r.inc ());
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	964 result(n-1) = limit;
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	965 for (octave_idx_type i = n-2; i >= 0; i--)
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	966 result(i) = (limit *= inc);
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	967 }
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	968
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	969 retval = result;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	970 }
9123 f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	971 else
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	972 retval = elem_xpow (a, r.matrix_value ());
f39b98237d5c use more robust and less aggressive scalar .^ range optimization Jaroslav Hajek <highegg@gmail.com> parents: 9103 diff changeset	973
9103 10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	974
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	975 return retval;
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	976 }
10bed8fbec99 optimize scalar .^ range operation Jaroslav Hajek <highegg@gmail.com> parents: 8979 diff changeset	977
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	978 // -- 9 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	979 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	980 elem_xpow (const ComplexMatrix& a, double b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	981 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	982 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	983 octave_idx_type nc = a.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	984
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	985 ComplexMatrix result (nr, nc);
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	986
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	987 if (xisint (b))
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	988 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	989 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	990 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	991 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	992 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	993 result (i, j) = std::pow (a (i, j), static_cast<int> (b));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	994 }
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	995 }
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	996 else
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	997 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	998 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	999 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1000 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1001 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1002 result (i, j) = std::pow (a (i, j), b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1003 }
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	1004 }
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	1005
1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	1006 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1007 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1008
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	1009 // -- 10 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	1010 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	1011 elem_xpow (const ComplexMatrix& a, const Matrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1012 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1013 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1014 octave_idx_type nc = a.cols ();
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	1015
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1016 octave_idx_type b_nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1017 octave_idx_type b_nc = b.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1018
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	1019 if (nr != b_nr \|\| nc != b_nc)
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	1020 err_nonconformant ("operator .^", nr, nc, b_nr, b_nc);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1021
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1022 ComplexMatrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1023
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1024 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1025 for (octave_idx_type i = 0; i < nr; i++)
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	1026 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1027 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1028 double btmp = b (i, j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1029 if (xisint (btmp))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1030 result (i, j) = std::pow (a (i, j), static_cast<int> (btmp));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1031 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1032 result (i, j) = std::pow (a (i, j), btmp);
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	1033 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1034
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	1035 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1036 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1037
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	1038 // -- 11 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	1039 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	1040 elem_xpow (const ComplexMatrix& a, const Complex& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1041 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1042 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1043 octave_idx_type nc = a.cols ();
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1044
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1045 ComplexMatrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1046
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1047 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1048 for (octave_idx_type i = 0; i < nr; i++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	1049 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1050 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1051 result (i, j) = std::pow (a (i, j), b);
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	1052 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1053
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	1054 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1055 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1056
767 42731861ee09 [project @ 1994-10-05 21:26:54 by jwe] jwe parents: 453 diff changeset	1057 // -- 12 --
2086 bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe] jwe parents: 1996 diff changeset	1058 octave_value
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	1059 elem_xpow (const ComplexMatrix& a, const ComplexMatrix& b)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1060 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1061 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1062 octave_idx_type nc = a.cols ();
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	1063
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1064 octave_idx_type b_nr = b.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1065 octave_idx_type b_nc = b.cols ();
2365 7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	1066
7c60f8a6e6a0 [project @ 1996-10-11 23:03:52 by jwe] jwe parents: 2305 diff changeset	1067 if (nr != b_nr \|\| nc != b_nc)
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	1068 err_nonconformant ("operator .^", nr, nc, b_nr, b_nc);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1069
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1070 ComplexMatrix result (nr, nc);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1071
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1072 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1073 for (octave_idx_type i = 0; i < nr; i++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	1074 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1075 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1076 result (i, j) = std::pow (a (i, j), b (i, j));
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4055 diff changeset	1077 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1078
1567 1da33230f424 [project @ 1995-10-18 00:47:12 by jwe] jwe parents: 1358 diff changeset	1079 return result;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1080 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1081
21014 b9d4c3615e89 maint: Capitalize D for dimension in messages and comments. Rik <rik@octave.org> parents: 20940 diff changeset	1082 // Safer pow functions that work elementwise for N-D arrays.
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1083 //
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1084 // op2 \ op1: s nd cs cnd
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1085 // +-- +---+---+----+----+
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1086 // scalar \| \| * \| 3 \| * \| 9 \|
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1087 // +---+---+----+----+
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1088 // N_d \| 1 \| 4 \| 7 \| 10 \|
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1089 // +---+---+----+----+
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1090 // complex_scalar \| * \| 5 \| * \| 11 \|
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1091 // +---+---+----+----+
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1092 // complex_N_d \| 2 \| 6 \| 8 \| 12 \|
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1093 // +---+---+----+----+
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1094 //
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1095 // * -> not needed.
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1096
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17749 diff changeset	1097 // FIXME: these functions need to be fixed so that things like
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1098 //
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1099 // a = -1; b = [ 0, 0.5, 1 ]; r = a .^ b
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1100 //
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1101 // and
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1102 //
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1103 // a = -1; b = [ 0, 0.5, 1 ]; for i = 1:3, r(i) = a .^ b(i), end
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1104 //
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1105 // produce identical results. Also, it would be nice if -1^0.5
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1106 // produced a pure imaginary result instead of a complex number with a
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1107 // small real part. But perhaps that's really a problem with the math
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1108 // library...
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1109
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1110 // -- 1 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1111 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1112 elem_xpow (double a, const NDArray& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1113 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1114 octave_value retval;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1115
11011 a046d03e2417 slight simplifications in xpow.cc Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	1116 if (a < 0.0 && ! b.all_integers ())
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1117 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1118 Complex atmp (a);
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1119 ComplexNDArray result (b.dims ());
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1120 for (octave_idx_type i = 0; i < b.numel (); i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1121 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1122 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1123 result(i) = std::pow (atmp, b(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1124 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1125
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1126 retval = result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1127 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1128 else
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1129 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1130 NDArray result (b.dims ());
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1131 for (octave_idx_type i = 0; i < b.numel (); i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1132 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1133 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1134 result (i) = std::pow (a, b(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1135 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1136
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1137 retval = result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1138 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1139
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1140 return retval;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1141 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1142
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1143 // -- 2 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1144 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1145 elem_xpow (double a, const ComplexNDArray& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1146 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1147 ComplexNDArray result (b.dims ());
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1148
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1149 for (octave_idx_type i = 0; i < b.numel (); i++)
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1150 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1151 octave_quit ();
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	1152 result(i) = std::pow (a, b(i));
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1153 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1154
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1155 return result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1156 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1157
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1158 // -- 3 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1159 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1160 elem_xpow (const NDArray& a, double b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1161 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1162 octave_value retval;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1163
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1164 if (! xisint (b))
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1165 {
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1166 if (a.any_element_is_negative ())
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1167 {
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1168 ComplexNDArray result (a.dims ());
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1169
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1170 for (octave_idx_type i = 0; i < a.numel (); i++)
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1171 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1172 octave_quit ();
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1173
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1174 Complex atmp (a (i));
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1175
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1176 result(i) = std::pow (atmp, b);
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1177 }
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1178
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1179 retval = result;
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1180 }
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1181 else
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1182 {
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1183 NDArray result (a.dims ());
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1184 for (octave_idx_type i = 0; i < a.numel (); i++)
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1185 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1186 octave_quit ();
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1187 result(i) = std::pow (a(i), b);
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1188 }
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1189
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1190 retval = result;
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1191 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1192 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1193 else
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1194 {
10129 ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	1195 NoAlias<NDArray> result (a.dims ());
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1196
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1197 int ib = static_cast<int> (b);
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1198 if (ib == 2)
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1199 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1200 for (octave_idx_type i = 0; i < a.numel (); i++)
10129 ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	1201 result(i) = a(i) * a(i);
ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	1202 }
ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	1203 else if (ib == 3)
ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	1204 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1205 for (octave_idx_type i = 0; i < a.numel (); i++)
10129 ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	1206 result(i) = a(i) * a(i) * a(i);
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1207 }
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1208 else if (ib == -1)
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1209 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1210 for (octave_idx_type i = 0; i < a.numel (); i++)
10129 ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	1211 result(i) = 1.0 / a(i);
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1212 }
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1213 else
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1214 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1215 for (octave_idx_type i = 0; i < a.numel (); i++)
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1216 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1217 octave_quit ();
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1218 result(i) = std::pow (a(i), ib);
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1219 }
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1220 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1221
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1222 retval = result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1223 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1224
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1225 return retval;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1226 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1227
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1228 // -- 4 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1229 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1230 elem_xpow (const NDArray& a, const NDArray& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1231 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1232 octave_value retval;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1233
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1234 dim_vector a_dims = a.dims ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1235 dim_vector b_dims = b.dims ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1236
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1237 if (a_dims != b_dims)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1238 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1239 if (! is_valid_bsxfun ("operator .^", a_dims, b_dims))
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1240 err_nonconformant ("operator .^", a_dims, b_dims);
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1241
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1242 //Potentially complex results
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1243 NDArray xa = octave_value_extract<NDArray> (a);
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1244 NDArray xb = octave_value_extract<NDArray> (b);
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1245 if (! xb.all_integers () && xa.any_element_is_negative ())
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1246 return octave_value (bsxfun_pow (ComplexNDArray (xa), xb));
13005 4061106b1c4b Enable automatic bsxfun for power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 11586 diff changeset	1247 else
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1248 return octave_value (bsxfun_pow (xa, xb));
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1249 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1250
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1251 int len = a.numel ();
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1252
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1253 bool convert_to_complex = false;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1254
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1255 for (octave_idx_type i = 0; i < len; i++)
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1256 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1257 octave_quit ();
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1258 double atmp = a(i);
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1259 double btmp = b(i);
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1260 if (atmp < 0.0 && static_cast<int> (btmp) != btmp)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1261 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1262 convert_to_complex = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1263 goto done;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1264 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1265 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1266
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1267 done:
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1268
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1269 if (convert_to_complex)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1270 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1271 ComplexNDArray complex_result (a_dims);
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1272
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1273 for (octave_idx_type i = 0; i < len; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1274 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1275 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1276 Complex atmp (a(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1277 complex_result(i) = std::pow (atmp, b(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1278 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1279
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1280 retval = complex_result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1281 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1282 else
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1283 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1284 NDArray result (a_dims);
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1285
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1286 for (octave_idx_type i = 0; i < len; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1287 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1288 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1289 result(i) = std::pow (a(i), b(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1290 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1291
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1292 retval = result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1293 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1294
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1295 return retval;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1296 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1297
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1298 // -- 5 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1299 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1300 elem_xpow (const NDArray& a, const Complex& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1301 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1302 ComplexNDArray result (a.dims ());
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1303
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1304 for (octave_idx_type i = 0; i < a.numel (); i++)
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1305 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1306 octave_quit ();
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	1307 result(i) = std::pow (a(i), b);
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1308 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1309
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1310 return result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1311 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1312
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1313 // -- 6 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1314 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1315 elem_xpow (const NDArray& a, const ComplexNDArray& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1316 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1317 dim_vector a_dims = a.dims ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1318 dim_vector b_dims = b.dims ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1319
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1320 if (a_dims != b_dims)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1321 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1322 if (! is_valid_bsxfun ("operator .^", a_dims, b_dims))
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	1323 err_nonconformant ("operator .^", a_dims, b_dims);
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1324
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1325 return bsxfun_pow (a, b);
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1326 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1327
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1328 ComplexNDArray result (a_dims);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1329
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1330 for (octave_idx_type i = 0; i < a.numel (); i++)
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1331 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1332 octave_quit ();
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	1333 result(i) = std::pow (a(i), b(i));
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1334 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1335
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1336 return result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1337 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1338
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1339 // -- 7 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1340 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1341 elem_xpow (const Complex& a, const NDArray& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1342 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1343 ComplexNDArray result (b.dims ());
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1344
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1345 for (octave_idx_type i = 0; i < b.numel (); i++)
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1346 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1347 octave_quit ();
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1348 double btmp = b(i);
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1349 if (xisint (btmp))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1350 result(i) = std::pow (a, static_cast<int> (btmp));
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1351 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1352 result(i) = std::pow (a, btmp);
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1353 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1354
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1355 return result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1356 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1357
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1358 // -- 8 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1359 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1360 elem_xpow (const Complex& a, const ComplexNDArray& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1361 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1362 ComplexNDArray result (b.dims ());
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1363
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1364 for (octave_idx_type i = 0; i < b.numel (); i++)
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1365 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1366 octave_quit ();
5260 deed800e7bef [project @ 2005-03-30 23:18:58 by jwe] jwe parents: 4790 diff changeset	1367 result(i) = std::pow (a, b(i));
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1368 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1369
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1370 return result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1371 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1372
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1373 // -- 9 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1374 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1375 elem_xpow (const ComplexNDArray& a, double b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1376 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1377 ComplexNDArray result (a.dims ());
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1378
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1379 if (xisint (b))
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1380 {
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1381 if (b == -1)
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1382 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1383 for (octave_idx_type i = 0; i < a.numel (); i++)
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	1384 result.xelem (i) = 1.0 / a(i);
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1385 }
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1386 else
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1387 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1388 for (octave_idx_type i = 0; i < a.numel (); i++)
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1389 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1390 octave_quit ();
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1391 result(i) = std::pow (a(i), static_cast<int> (b));
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1392 }
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	1393 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1394 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1395 else
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1396 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1397 for (octave_idx_type i = 0; i < a.numel (); i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1398 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1399 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1400 result(i) = std::pow (a(i), b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1401 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1402 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1403
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1404 return result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1405 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1406
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1407 // -- 10 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1408 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1409 elem_xpow (const ComplexNDArray& a, const NDArray& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1410 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1411 dim_vector a_dims = a.dims ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1412 dim_vector b_dims = b.dims ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1413
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1414 if (a_dims != b_dims)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1415 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1416 if (! is_valid_bsxfun ("operator .^", a_dims, b_dims))
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	1417 err_nonconformant ("operator .^", a_dims, b_dims);
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1418
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1419 return bsxfun_pow (a, b);
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1420 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1421
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1422 ComplexNDArray result (a_dims);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1423
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1424 for (octave_idx_type i = 0; i < a.numel (); i++)
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1425 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1426 octave_quit ();
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1427 double btmp = b(i);
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1428 if (xisint (btmp))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1429 result(i) = std::pow (a(i), static_cast<int> (btmp));
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1430 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1431 result(i) = std::pow (a(i), btmp);
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1432 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1433
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1434 return result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1435 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1436
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1437 // -- 11 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1438 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1439 elem_xpow (const ComplexNDArray& a, const Complex& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1440 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1441 ComplexNDArray result (a.dims ());
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1442
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1443 for (octave_idx_type i = 0; i < a.numel (); i++)
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1444 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1445 octave_quit ();
5260 deed800e7bef [project @ 2005-03-30 23:18:58 by jwe] jwe parents: 4790 diff changeset	1446 result(i) = std::pow (a(i), b);
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1447 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1448
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1449 return result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1450 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1451
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1452 // -- 12 --
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1453 octave_value
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1454 elem_xpow (const ComplexNDArray& a, const ComplexNDArray& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1455 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1456 dim_vector a_dims = a.dims ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1457 dim_vector b_dims = b.dims ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1458
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1459 if (a_dims != b_dims)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1460 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1461 if (! is_valid_bsxfun ("operator .^", a_dims, b_dims))
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	1462 err_nonconformant ("operator .^", a_dims, b_dims);
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1463
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	1464 return bsxfun_pow (a, b);
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1465 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1466
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1467 ComplexNDArray result (a_dims);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1468
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	1469 for (octave_idx_type i = 0; i < a.numel (); i++)
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1470 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	1471 octave_quit ();
5260 deed800e7bef [project @ 2005-03-30 23:18:58 by jwe] jwe parents: 4790 diff changeset	1472 result(i) = std::pow (a(i), b(i));
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1473 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1474
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1475 return result;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1476 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4153 diff changeset	1477
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1478 static inline int
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1479 xisint (float x)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1480 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1481 return (D_NINT (x) == x
15215 9020dddc925a use std::numeric_limits for integer max and min values John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1482 && ((x >= 0 && x < std::numeric_limits<int>::max ())
9020dddc925a use std::numeric_limits for integer max and min values John W. Eaton <jwe@octave.org> parents: 15195 diff changeset	1483 \|\| (x <= 0 && x > std::numeric_limits<int>::min ())));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1484 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1485
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1486 // Safer pow functions.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1487 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1488 // op2 \ op1: s m cs cm
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1489 // +-- +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1490 // scalar \| \| 1 \| 5 \| 7 \| 11 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1491 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1492 // matrix \| 2 \| * \| 8 \| * \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1493 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1494 // complex_scalar \| 3 \| 6 \| 9 \| 12 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1495 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1496 // complex_matrix \| 4 \| * \| 10 \| * \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1497 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1498
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1499 // -- 1 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1500 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1501 xpow (float a, float b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1502 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1503 float retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1504
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	1505 if (a < 0.0 && ! xisint (b))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1506 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1507 FloatComplex atmp (a);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1508
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1509 return std::pow (atmp, b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1510 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1511 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1512 retval = std::pow (a, b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1513
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1514 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1515 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1516
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1517 // -- 2 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1518 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1519 xpow (float a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1520 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1521 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1522
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1523 octave_idx_type nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1524 octave_idx_type nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1525
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1526 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1527 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1528
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1529 FloatEIG b_eig (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1530
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1531 try
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1532 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1533 FloatComplexColumnVector lambda (b_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1534 FloatComplexMatrix Q (b_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1535
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1536 for (octave_idx_type i = 0; i < nr; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1537 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1538 FloatComplex elt = lambda(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1539 if (std::imag (elt) == 0.0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1540 lambda(i) = std::pow (a, std::real (elt));
11030 231946a9ad55 make the result of r^m real when r > 0 Jaroslav Hajek <highegg@gmail.com> parents: 11011 diff changeset	1541 else
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1542 lambda(i) = std::pow (a, elt);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1543 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1544 FloatComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1545
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1546 FloatComplexMatrix C = Q * D * Q.inverse ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1547
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1548 if (a > 0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1549 retval = real (C);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1550 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1551 retval = C;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1552 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1553 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1554 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1555 err_failed_diagonalization ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1556 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1557
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1558 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1559 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1560
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1561 // -- 3 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1562 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1563 xpow (float a, const FloatComplex& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1564 {
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	1565 FloatComplex result = std::pow (a, b);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1566 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1567 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1568
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1569 // -- 4 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1570 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1571 xpow (float a, const FloatComplexMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1572 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1573 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1574
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1575 octave_idx_type nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1576 octave_idx_type nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1577
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1578 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1579 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1580
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1581 FloatEIG b_eig (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1582
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1583 try
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1584 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1585 FloatComplexColumnVector lambda (b_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1586 FloatComplexMatrix Q (b_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1587
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1588 for (octave_idx_type i = 0; i < nr; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1589 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1590 FloatComplex elt = lambda(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1591 if (std::imag (elt) == 0.0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1592 lambda(i) = std::pow (a, std::real (elt));
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1593 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1594 lambda(i) = std::pow (a, elt);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1595 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1596 FloatComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1597
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1598 retval = FloatComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1599 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1600 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1601 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1602 err_failed_diagonalization ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1603 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1604
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1605 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1606 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1607
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1608 // -- 5 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1609 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1610 xpow (const FloatMatrix& a, float b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1611 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1612 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1613
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1614 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1615 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1616
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1617 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1618 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1619
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1620 if (static_cast<int> (b) == b)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1621 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1622 int btmp = static_cast<int> (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1623 if (btmp == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1624 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1625 retval = FloatDiagMatrix (nr, nr, 1.0);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1626 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1627 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1628 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1629 // Too much copying?
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1630 // FIXME: we shouldn't do this if the exponent is large...
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1631
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1632 FloatMatrix atmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1633 if (btmp < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1634 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1635 btmp = -btmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1636
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1637 octave_idx_type info;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1638 float rcond = 0.0;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1639 MatrixType mattype (a);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1640
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1641 atmp = a.inverse (mattype, info, rcond, 1);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1642
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1643 if (info == -1)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1644 warning ("inverse: matrix singular to machine\
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1645 precision, rcond = %g", rcond);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1646 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1647 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1648 atmp = a;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1649
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1650 FloatMatrix result (atmp);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1651
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1652 btmp--;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1653
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1654 while (btmp > 0)
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1655 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1656 if (btmp & 1)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1657 result = result * atmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1658
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1659 btmp >>= 1;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1660
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1661 if (btmp > 0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1662 atmp = atmp * atmp;
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1663 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1664
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1665 retval = result;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1666 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1667 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1668 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1669 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1670 FloatEIG a_eig (a);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1671
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1672 try
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1673 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1674 FloatComplexColumnVector lambda (a_eig.eigenvalues ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1675 FloatComplexMatrix Q (a_eig.eigenvectors ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1676
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1677 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1678 lambda(i) = std::pow (lambda(i), b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1679
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1680 FloatComplexDiagMatrix D (lambda);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1681
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1682 retval = FloatComplexMatrix (Q * D * Q.inverse ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1683 }
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1684 catch (const octave_execution_exception&)
19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1685 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1686 err_failed_diagonalization ();
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1687 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1688 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1689
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1690 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1691 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1692
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1693 // -- 5d --
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1694 octave_value
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1695 xpow (const FloatDiagMatrix& a, float b)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1696 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1697 octave_value retval;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1698
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1699 octave_idx_type nr = a.rows ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1700 octave_idx_type nc = a.cols ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1701
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1702 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1703 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1704
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1705 if (static_cast<int> (b) == b)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1706 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1707 FloatDiagMatrix r (nr, nc);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1708 for (octave_idx_type i = 0; i < nc; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1709 r.dgelem (i) = std::pow (a.dgelem (i), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1710 retval = r;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1711 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1712 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1713 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1714 FloatComplexDiagMatrix r (nr, nc);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1715 for (octave_idx_type i = 0; i < nc; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1716 r.dgelem (i) = std::pow (static_cast<FloatComplex> (a.dgelem (i)),
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1717 b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1718 retval = r;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1719 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1720
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1721 return retval;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1722 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1723
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1724 // -- 6 --
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1725 octave_value
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1726 xpow (const FloatMatrix& a, const FloatComplex& b)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1727 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1728 octave_value retval;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1729
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1730 octave_idx_type nr = a.rows ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1731 octave_idx_type nc = a.cols ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1732
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1733 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1734 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1735
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1736 FloatEIG a_eig (a);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1737
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1738 try
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1739 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1740 FloatComplexColumnVector lambda (a_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1741 FloatComplexMatrix Q (a_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1742
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1743 for (octave_idx_type i = 0; i < nr; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1744 lambda(i) = std::pow (lambda(i), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1745
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1746 FloatComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1747
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1748 retval = FloatComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1749 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1750 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1751 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1752 err_failed_diagonalization ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1753 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1754
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1755 return retval;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1756 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1757
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1758 // -- 7 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1759 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1760 xpow (const FloatComplex& a, float b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1761 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1762 FloatComplex result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1763
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1764 if (xisint (b))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1765 result = std::pow (a, static_cast<int> (b));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1766 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1767 result = std::pow (a, b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1768
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1769 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1770 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1771
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1772 // -- 8 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1773 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1774 xpow (const FloatComplex& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1775 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1776 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1777
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1778 octave_idx_type nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1779 octave_idx_type nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1780
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1781 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1782 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1783
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1784 FloatEIG b_eig (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1785
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1786 try
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1787 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1788 FloatComplexColumnVector lambda (b_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1789 FloatComplexMatrix Q (b_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1790
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1791 for (octave_idx_type i = 0; i < nr; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1792 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1793 FloatComplex elt = lambda(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1794 if (std::imag (elt) == 0.0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1795 lambda(i) = std::pow (a, std::real (elt));
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1796 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1797 lambda(i) = std::pow (a, elt);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1798 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1799 FloatComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1800
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1801 retval = FloatComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1802 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1803 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1804 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1805 err_failed_diagonalization ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1806 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1807
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1808 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1809 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1810
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1811 // -- 9 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1812 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1813 xpow (const FloatComplex& a, const FloatComplex& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1814 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1815 FloatComplex result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1816 result = std::pow (a, b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1817 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1818 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1819
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1820 // -- 10 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1821 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1822 xpow (const FloatComplex& a, const FloatComplexMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1823 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1824 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1825
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1826 octave_idx_type nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1827 octave_idx_type nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1828
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1829 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1830 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1831
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1832 FloatEIG b_eig (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1833
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1834 try
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1835 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1836 FloatComplexColumnVector lambda (b_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1837 FloatComplexMatrix Q (b_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1838
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1839 for (octave_idx_type i = 0; i < nr; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1840 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1841 FloatComplex elt = lambda(i);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1842 if (std::imag (elt) == 0.0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1843 lambda(i) = std::pow (a, std::real (elt));
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1844 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1845 lambda(i) = std::pow (a, elt);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1846 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1847 FloatComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1848
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1849 retval = FloatComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1850 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1851 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1852 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1853 err_failed_diagonalization ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1854 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1855
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1856 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1857 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1858
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1859 // -- 11 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1860 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1861 xpow (const FloatComplexMatrix& a, float b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1862 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1863 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1864
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1865 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1866 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1867
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1868 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1869 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1870
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1871 if (static_cast<int> (b) == b)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1872 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1873 int btmp = static_cast<int> (b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1874 if (btmp == 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1875 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1876 retval = FloatDiagMatrix (nr, nr, 1.0);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1877 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1878 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1879 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1880 // Too much copying?
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1881 // FIXME: we shouldn't do this if the exponent is large...
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1882
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1883 FloatComplexMatrix atmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1884 if (btmp < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1885 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1886 btmp = -btmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1887
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1888 octave_idx_type info;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1889 float rcond = 0.0;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1890 MatrixType mattype (a);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1891
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1892 atmp = a.inverse (mattype, info, rcond, 1);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1893
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1894 if (info == -1)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1895 warning ("inverse: matrix singular to machine\
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1896 precision, rcond = %g", rcond);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1897 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1898 else
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1899 atmp = a;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1900
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1901 FloatComplexMatrix result (atmp);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1902
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1903 btmp--;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1904
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1905 while (btmp > 0)
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1906 {
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1907 if (btmp & 1)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1908 result = result * atmp;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1909
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1910 btmp >>= 1;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1911
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1912 if (btmp > 0)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1913 atmp = atmp * atmp;
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1914 }
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1915
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1916 retval = result;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1917 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1918 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1919 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1920 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1921 FloatEIG a_eig (a);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1922
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1923 try
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1924 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1925 FloatComplexColumnVector lambda (a_eig.eigenvalues ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1926 FloatComplexMatrix Q (a_eig.eigenvectors ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1927
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1928 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1929 lambda(i) = std::pow (lambda(i), b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1930
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1931 FloatComplexDiagMatrix D (lambda);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1932
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1933 retval = FloatComplexMatrix (Q * D * Q.inverse ());
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	1934 }
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1935 catch (const octave_execution_exception&)
19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1936 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1937 err_failed_diagonalization ();
20679 19d6f94c21cb eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20232 diff changeset	1938 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1939 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1940
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1941 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1942 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	1943
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1944 // -- 12 --
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1945 octave_value
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1946 xpow (const FloatComplexMatrix& a, const FloatComplex& b)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1947 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1948 octave_value retval;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1949
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1950 octave_idx_type nr = a.rows ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1951 octave_idx_type nc = a.cols ();
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1952
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1953 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1954 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1955
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1956 FloatEIG a_eig (a);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1957
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1958 try
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1959 {
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1960 FloatComplexColumnVector lambda (a_eig.eigenvalues ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1961 FloatComplexMatrix Q (a_eig.eigenvectors ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1962
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1963 for (octave_idx_type i = 0; i < nr; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1964 lambda(i) = std::pow (lambda(i), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1965
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1966 FloatComplexDiagMatrix D (lambda);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1967
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1968 retval = FloatComplexMatrix (Q * D * Q.inverse ());
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1969 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1970 catch (const octave_execution_exception&)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1971 {
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1972 err_failed_diagonalization ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1973 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1974
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1975 return retval;
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1976 }
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1977
8382 9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1978 // -- 12d --
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1979 octave_value
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1980 xpow (const FloatComplexDiagMatrix& a, const FloatComplex& b)
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1981 {
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1982 octave_value retval;
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1983
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1984 octave_idx_type nr = a.rows ();
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1985 octave_idx_type nc = a.cols ();
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1986
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1987 if (nr == 0 \|\| nc == 0 \|\| nr != nc)
21161 4c54a269ad44 xpow.cc: Use local err_XXX routines to simplify code. Rik <rik@octave.org> parents: 21121 diff changeset	1988 err_nonsquare_matrix ();
21055 5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1989
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1990 FloatComplexDiagMatrix r (nr, nc);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1991 for (octave_idx_type i = 0; i < nc; i++)
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1992 r(i, i) = std::pow (a(i, i), b);
5e00ed38a58b maint: Replace if/error/else paradigm with just if/error. Rik <rik@octave.org> parents: 21024 diff changeset	1993 retval = r;
8382 9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1994
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1995 return retval;
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1996 }
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1997
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1998 // mixed
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	1999 octave_value
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2000 xpow (const FloatComplexDiagMatrix& a, float b)
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2001 {
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2002 return xpow (a, static_cast<FloatComplex> (b));
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2003 }
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2004
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2005 octave_value
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2006 xpow (const FloatDiagMatrix& a, const FloatComplex& b)
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2007 {
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2008 return xpow (FloatComplexDiagMatrix (a), b);
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2009 }
9b20a4847056 implement scalar powers of diag matrices Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	2010
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2011 // Safer pow functions that work elementwise for matrices.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2012 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2013 // op2 \ op1: s m cs cm
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2014 // +-- +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2015 // scalar \| \| * \| 3 \| * \| 9 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2016 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2017 // matrix \| 1 \| 4 \| 7 \| 10 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2018 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2019 // complex_scalar \| * \| 5 \| * \| 11 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2020 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2021 // complex_matrix \| 2 \| 6 \| 8 \| 12 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2022 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2023 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2024 // * -> not needed.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2025
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17749 diff changeset	2026 // FIXME: these functions need to be fixed so that things like
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2027 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2028 // a = -1; b = [ 0, 0.5, 1 ]; r = a .^ b
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2029 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2030 // and
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2031 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2032 // a = -1; b = [ 0, 0.5, 1 ]; for i = 1:3, r(i) = a .^ b(i), end
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2033 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2034 // produce identical results. Also, it would be nice if -1^0.5
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2035 // produced a pure imaginary result instead of a complex number with a
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2036 // small real part. But perhaps that's really a problem with the math
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2037 // library...
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2038
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2039 // -- 1 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2040 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2041 elem_xpow (float a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2042 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2043 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2044
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2045 octave_idx_type nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2046 octave_idx_type nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2047
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2048 float d1, d2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2049
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2050 if (a < 0.0 && ! b.all_integers (d1, d2))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2051 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2052 FloatComplex atmp (a);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2053 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2054
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2055 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2056 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2057 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2058 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2059 result (i, j) = std::pow (atmp, b (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2060 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2061
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2062 retval = result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2063 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2064 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2065 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2066 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2067
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2068 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2069 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2070 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2071 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2072 result (i, j) = std::pow (a, b (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2073 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2074
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2075 retval = result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2076 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2077
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2078 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2079 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2080
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2081 // -- 2 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2082 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2083 elem_xpow (float a, const FloatComplexMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2084 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2085 octave_idx_type nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2086 octave_idx_type nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2087
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2088 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2089 FloatComplex atmp (a);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2090
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2091 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2092 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2093 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2094 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2095 result (i, j) = std::pow (atmp, b (i, j));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2096 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2097
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2098 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2099 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2100
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2101 // -- 3 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2102 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2103 elem_xpow (const FloatMatrix& a, float b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2104 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2105 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2106
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2107 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2108 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2109
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2110 if (! xisint (b) && a.any_element_is_negative ())
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2111 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2112 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2113
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2114 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2115 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2116 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	2117 octave_quit ();
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	2118
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2119 FloatComplex atmp (a (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2120
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2121 result (i, j) = std::pow (atmp, b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2122 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2123
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2124 retval = result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2125 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2126 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2127 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2128 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2129
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2130 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2131 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2132 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2133 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2134 result (i, j) = std::pow (a (i, j), b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2135 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2136
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2137 retval = result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2138 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2139
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2140 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2141 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2142
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2143 // -- 4 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2144 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2145 elem_xpow (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2146 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2147 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2148
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2149 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2150 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2151
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2152 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2153 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2154
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2155 if (nr != b_nr \|\| nc != b_nc)
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	2156 err_nonconformant ("operator .^", nr, nc, b_nr, b_nc);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2157
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2158 int convert_to_complex = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2159 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2160 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2161 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2162 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2163 float atmp = a (i, j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2164 float btmp = b (i, j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2165 if (atmp < 0.0 && static_cast<int> (btmp) != btmp)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2166 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2167 convert_to_complex = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2168 goto done;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2169 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2170 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2171
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2172 done:
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2173
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2174 if (convert_to_complex)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2175 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2176 FloatComplexMatrix complex_result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2177
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2178 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2179 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2180 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2181 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2182 FloatComplex atmp (a (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2183 FloatComplex btmp (b (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2184 complex_result (i, j) = std::pow (atmp, btmp);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2185 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2186
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2187 retval = complex_result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2188 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2189 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2190 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2191 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2192
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2193 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2194 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2195 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2196 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2197 result (i, j) = std::pow (a (i, j), b (i, j));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2198 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2199
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2200 retval = result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2201 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2202
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2203 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2204 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2205
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2206 // -- 5 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2207 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2208 elem_xpow (const FloatMatrix& a, const FloatComplex& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2209 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2210 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2211 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2212
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2213 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2214
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2215 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2216 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2217 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2218 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2219 result (i, j) = std::pow (FloatComplex (a (i, j)), b);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2220 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2221
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2222 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2223 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2224
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2225 // -- 6 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2226 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2227 elem_xpow (const FloatMatrix& a, const FloatComplexMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2228 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2229 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2230 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2231
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2232 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2233 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2234
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2235 if (nr != b_nr \|\| nc != b_nc)
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	2236 err_nonconformant ("operator .^", nr, nc, b_nr, b_nc);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2237
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2238 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2239
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2240 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2241 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2242 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2243 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2244 result (i, j) = std::pow (FloatComplex (a (i, j)), b (i, j));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2245 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2246
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2247 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2248 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2249
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2250 // -- 7 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2251 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2252 elem_xpow (const FloatComplex& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2253 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2254 octave_idx_type nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2255 octave_idx_type nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2256
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2257 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2258
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2259 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2260 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2261 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2262 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2263 float btmp = b (i, j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2264 if (xisint (btmp))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2265 result (i, j) = std::pow (a, static_cast<int> (btmp));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2266 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2267 result (i, j) = std::pow (a, btmp);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2268 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2269
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2270 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2271 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2272
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2273 // -- 8 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2274 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2275 elem_xpow (const FloatComplex& a, const FloatComplexMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2276 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2277 octave_idx_type nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2278 octave_idx_type nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2279
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2280 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2281
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2282 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2283 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2284 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2285 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2286 result (i, j) = std::pow (a, b (i, j));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2287 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2288
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2289 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2290 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2291
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2292 // -- 9 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2293 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2294 elem_xpow (const FloatComplexMatrix& a, float b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2295 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2296 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2297 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2298
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2299 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2300
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2301 if (xisint (b))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2302 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2303 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2304 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2305 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2306 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2307 result (i, j) = std::pow (a (i, j), static_cast<int> (b));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2308 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2309 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2310 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2311 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2312 for (octave_idx_type j = 0; j < nc; j++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2313 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2314 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2315 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2316 result (i, j) = std::pow (a (i, j), b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2317 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2318 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2319
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2320 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2321 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2322
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2323 // -- 10 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2324 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2325 elem_xpow (const FloatComplexMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2326 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2327 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2328 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2329
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2330 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2331 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2332
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2333 if (nr != b_nr \|\| nc != b_nc)
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	2334 err_nonconformant ("operator .^", nr, nc, b_nr, b_nc);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2335
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2336 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2337
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2338 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2339 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2340 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2341 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2342 float btmp = b (i, j);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2343 if (xisint (btmp))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2344 result (i, j) = std::pow (a (i, j), static_cast<int> (btmp));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2345 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2346 result (i, j) = std::pow (a (i, j), btmp);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2347 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2348
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2349 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2350 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2351
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2352 // -- 11 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2353 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2354 elem_xpow (const FloatComplexMatrix& a, const FloatComplex& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2355 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2356 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2357 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2358
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2359 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2360
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2361 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2362 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2363 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2364 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2365 result (i, j) = std::pow (a (i, j), b);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2366 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2367
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2368 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2369 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2370
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2371 // -- 12 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2372 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2373 elem_xpow (const FloatComplexMatrix& a, const FloatComplexMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2374 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2375 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2376 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2377
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2378 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2379 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2380
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2381 if (nr != b_nr \|\| nc != b_nc)
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	2382 err_nonconformant ("operator .^", nr, nc, b_nr, b_nc);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2383
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2384 FloatComplexMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2385
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2386 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2387 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2388 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2389 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2390 result (i, j) = std::pow (a (i, j), b (i, j));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2391 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2392
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2393 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2394 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2395
21014 b9d4c3615e89 maint: Capitalize D for dimension in messages and comments. Rik <rik@octave.org> parents: 20940 diff changeset	2396 // Safer pow functions that work elementwise for N-D arrays.
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2397 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2398 // op2 \ op1: s nd cs cnd
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2399 // +-- +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2400 // scalar \| \| * \| 3 \| * \| 9 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2401 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2402 // N_d \| 1 \| 4 \| 7 \| 10 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2403 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2404 // complex_scalar \| * \| 5 \| * \| 11 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2405 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2406 // complex_N_d \| 2 \| 6 \| 8 \| 12 \|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2407 // +---+---+----+----+
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2408 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2409 // * -> not needed.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2410
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17749 diff changeset	2411 // FIXME: these functions need to be fixed so that things like
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2412 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2413 // a = -1; b = [ 0, 0.5, 1 ]; r = a .^ b
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2414 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2415 // and
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2416 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2417 // a = -1; b = [ 0, 0.5, 1 ]; for i = 1:3, r(i) = a .^ b(i), end
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2418 //
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2419 // produce identical results. Also, it would be nice if -1^0.5
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2420 // produced a pure imaginary result instead of a complex number with a
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2421 // small real part. But perhaps that's really a problem with the math
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2422 // library...
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2423
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2424 // -- 1 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2425 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2426 elem_xpow (float a, const FloatNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2427 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2428 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2429
11011 a046d03e2417 slight simplifications in xpow.cc Jaroslav Hajek <highegg@gmail.com> parents: 10521 diff changeset	2430 if (a < 0.0 && ! b.all_integers ())
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2431 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2432 FloatComplex atmp (a);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2433 FloatComplexNDArray result (b.dims ());
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2434 for (octave_idx_type i = 0; i < b.numel (); i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2435 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2436 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2437 result(i) = std::pow (atmp, b(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2438 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2439
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2440 retval = result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2441 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2442 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2443 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2444 FloatNDArray result (b.dims ());
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2445 for (octave_idx_type i = 0; i < b.numel (); i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2446 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2447 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2448 result (i) = std::pow (a, b(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2449 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2450
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2451 retval = result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2452 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2453
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2454 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2455 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2456
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2457 // -- 2 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2458 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2459 elem_xpow (float a, const FloatComplexNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2460 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2461 FloatComplexNDArray result (b.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2462
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2463 for (octave_idx_type i = 0; i < b.numel (); i++)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2464 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2465 octave_quit ();
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	2466 result(i) = std::pow (a, b(i));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2467 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2468
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2469 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2470 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2471
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2472 // -- 3 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2473 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2474 elem_xpow (const FloatNDArray& a, float b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2475 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2476 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2477
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2478 if (! xisint (b))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2479 {
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2480 if (a.any_element_is_negative ())
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2481 {
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2482 FloatComplexNDArray result (a.dims ());
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2483
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2484 for (octave_idx_type i = 0; i < a.numel (); i++)
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2485 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2486 octave_quit ();
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2487
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2488 FloatComplex atmp (a (i));
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2489
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2490 result(i) = std::pow (atmp, b);
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2491 }
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2492
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2493 retval = result;
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2494 }
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2495 else
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2496 {
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2497 FloatNDArray result (a.dims ());
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2498 for (octave_idx_type i = 0; i < a.numel (); i++)
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2499 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2500 octave_quit ();
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2501 result(i) = std::pow (a(i), b);
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2502 }
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2503
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2504 retval = result;
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2505 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2506 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2507 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2508 {
10129 ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	2509 NoAlias<FloatNDArray> result (a.dims ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2510
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2511 int ib = static_cast<int> (b);
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2512 if (ib == 2)
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2513 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2514 for (octave_idx_type i = 0; i < a.numel (); i++)
10129 ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	2515 result(i) = a(i) * a(i);
ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	2516 }
ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	2517 else if (ib == 3)
ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	2518 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2519 for (octave_idx_type i = 0; i < a.numel (); i++)
10129 ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	2520 result(i) = a(i) * a(i) * a(i);
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2521 }
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2522 else if (ib == -1)
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2523 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2524 for (octave_idx_type i = 0; i < a.numel (); i++)
10129 ab80681c44d9 optimize third powers Jaroslav Hajek <highegg@gmail.com> parents: 9123 diff changeset	2525 result(i) = 1.0f / a(i);
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2526 }
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2527 else
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2528 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2529 for (octave_idx_type i = 0; i < a.numel (); i++)
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2530 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2531 octave_quit ();
8978 0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2532 result(i) = std::pow (a(i), ib);
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2533 }
0a58c4cd1405 optimize element-wise power Jaroslav Hajek <highegg@gmail.com> parents: 8960 diff changeset	2534 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2535
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2536 retval = result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2537 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2538
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2539 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2540 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2541
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2542 // -- 4 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2543 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2544 elem_xpow (const FloatNDArray& a, const FloatNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2545 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2546 octave_value retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2547
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2548 dim_vector a_dims = a.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2549 dim_vector b_dims = b.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2550
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2551 if (a_dims != b_dims)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2552 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2553 if (! is_valid_bsxfun ("operator .^", a_dims, b_dims))
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2554 err_nonconformant ("operator .^", a_dims, b_dims);
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2555
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2556 //Potentially complex results
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2557 FloatNDArray xa = octave_value_extract<FloatNDArray> (a);
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2558 FloatNDArray xb = octave_value_extract<FloatNDArray> (b);
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2559 if (! xb.all_integers () && xa.any_element_is_negative ())
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2560 return octave_value (bsxfun_pow (FloatComplexNDArray (xa), xb));
13012 15eefbd9d4e8 Implement a few missing automatic bsxfun power operators Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 13005 diff changeset	2561 else
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2562 return octave_value (bsxfun_pow (xa, xb));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2563 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2564
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2565 int len = a.numel ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2566
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2567 bool convert_to_complex = false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2568
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2569 for (octave_idx_type i = 0; i < len; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2570 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2571 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2572 float atmp = a(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2573 float btmp = b(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2574 if (atmp < 0.0 && static_cast<int> (btmp) != btmp)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2575 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2576 convert_to_complex = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2577 goto done;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2578 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2579 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2580
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2581 done:
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2582
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2583 if (convert_to_complex)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2584 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2585 FloatComplexNDArray complex_result (a_dims);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2586
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2587 for (octave_idx_type i = 0; i < len; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2588 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2589 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2590 FloatComplex atmp (a(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2591 complex_result(i) = std::pow (atmp, b(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2592 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2593
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2594 retval = complex_result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2595 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2596 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2597 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2598 FloatNDArray result (a_dims);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2599
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2600 for (octave_idx_type i = 0; i < len; i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2601 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2602 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2603 result(i) = std::pow (a(i), b(i));
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2604 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2605
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2606 retval = result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2607 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2608
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2609 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2610 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2611
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2612 // -- 5 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2613 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2614 elem_xpow (const FloatNDArray& a, const FloatComplex& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2615 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2616 FloatComplexNDArray result (a.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2617
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2618 for (octave_idx_type i = 0; i < a.numel (); i++)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2619 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2620 octave_quit ();
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	2621 result(i) = std::pow (a(i), b);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2622 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2623
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2624 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2625 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2626
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2627 // -- 6 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2628 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2629 elem_xpow (const FloatNDArray& a, const FloatComplexNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2630 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2631 dim_vector a_dims = a.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2632 dim_vector b_dims = b.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2633
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2634 if (a_dims != b_dims)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2635 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2636 if (! is_valid_bsxfun ("operator .^", a_dims, b_dims))
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	2637 err_nonconformant ("operator .^", a_dims, b_dims);
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2638
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2639 return bsxfun_pow (a, b);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2640 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2641
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2642 FloatComplexNDArray result (a_dims);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2643
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2644 for (octave_idx_type i = 0; i < a.numel (); i++)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2645 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2646 octave_quit ();
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	2647 result(i) = std::pow (a(i), b(i));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2648 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2649
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2650 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2651 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2652
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2653 // -- 7 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2654 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2655 elem_xpow (const FloatComplex& a, const FloatNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2656 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2657 FloatComplexNDArray result (b.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2658
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2659 for (octave_idx_type i = 0; i < b.numel (); i++)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2660 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2661 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2662 float btmp = b(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2663 if (xisint (btmp))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2664 result(i) = std::pow (a, static_cast<int> (btmp));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2665 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2666 result(i) = std::pow (a, btmp);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2667 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2668
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2669 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2670 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2671
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2672 // -- 8 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2673 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2674 elem_xpow (const FloatComplex& a, const FloatComplexNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2675 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2676 FloatComplexNDArray result (b.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2677
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2678 for (octave_idx_type i = 0; i < b.numel (); i++)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2679 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2680 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2681 result(i) = std::pow (a, b(i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2682 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2683
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2684 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2685 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2686
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2687 // -- 9 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2688 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2689 elem_xpow (const FloatComplexNDArray& a, float b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2690 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2691 FloatComplexNDArray result (a.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2692
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2693 if (xisint (b))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2694 {
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2695 if (b == -1)
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2696 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2697 for (octave_idx_type i = 0; i < a.numel (); i++)
10144 1b883ce66707 avoid redundant real->complex conversions in xpow Jaroslav Hajek <highegg@gmail.com> parents: 10142 diff changeset	2698 result.xelem (i) = 1.0f / a(i);
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2699 }
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2700 else
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2701 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2702 for (octave_idx_type i = 0; i < a.numel (); i++)
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2703 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2704 octave_quit ();
8979 a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2705 result(i) = std::pow (a(i), static_cast<int> (b));
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2706 }
a7c00773a089 optimize also .^-1 case Jaroslav Hajek <highegg@gmail.com> parents: 8978 diff changeset	2707 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2708 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2709 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2710 {
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2711 for (octave_idx_type i = 0; i < a.numel (); i++)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2712 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2713 octave_quit ();
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2714 result(i) = std::pow (a(i), b);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2715 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2716 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2717
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2718 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2719 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2720
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2721 // -- 10 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2722 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2723 elem_xpow (const FloatComplexNDArray& a, const FloatNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2724 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2725 dim_vector a_dims = a.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2726 dim_vector b_dims = b.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2727
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2728 if (a_dims != b_dims)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2729 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2730 if (! is_valid_bsxfun ("operator .^", a_dims, b_dims))
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	2731 err_nonconformant ("operator .^", a_dims, b_dims);
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2732
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2733 return bsxfun_pow (a, b);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2734 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2735
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2736 FloatComplexNDArray result (a_dims);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2737
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2738 for (octave_idx_type i = 0; i < a.numel (); i++)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2739 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2740 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2741 float btmp = b(i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2742 if (xisint (btmp))
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2743 result(i) = std::pow (a(i), static_cast<int> (btmp));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2744 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10160 diff changeset	2745 result(i) = std::pow (a(i), btmp);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2746 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2747
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2748 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2749 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2750
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2751 // -- 11 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2752 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2753 elem_xpow (const FloatComplexNDArray& a, const FloatComplex& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2754 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2755 FloatComplexNDArray result (a.dims ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2756
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2757 for (octave_idx_type i = 0; i < a.numel (); i++)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2758 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2759 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2760 result(i) = std::pow (a(i), b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2761 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2762
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2763 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2764 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2765
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2766 // -- 12 --
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2767 octave_value
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2768 elem_xpow (const FloatComplexNDArray& a, const FloatComplexNDArray& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2769 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2770 dim_vector a_dims = a.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2771 dim_vector b_dims = b.dims ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2772
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2773 if (a_dims != b_dims)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2774 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2775 if (! is_valid_bsxfun ("operator .^", a_dims, b_dims))
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21055 diff changeset	2776 err_nonconformant ("operator .^", a_dims, b_dims);
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2777
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21102 diff changeset	2778 return bsxfun_pow (a, b);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2779 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2780
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2781 FloatComplexNDArray result (a_dims);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2782
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20228 diff changeset	2783 for (octave_idx_type i = 0; i < a.numel (); i++)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2784 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10129 diff changeset	2785 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2786 result(i) = std::pow (a(i), b(i));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2787 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2788
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2789 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7578 diff changeset	2790 }

Mercurial > octave

annotate libinterp/corefcn/xpow.cc @ 21200:fcac5dbbf9ed