octave: liboctave/Quad.cc annotate

annotate liboctave/Quad.cc @ 11518:141b3fb5cef7

style fixes

author	John W. Eaton <jwe@octave.org>
date	Thu, 13 Jan 2011 16:52:30 -0500
parents	12884915a8e4
children	fd0a3ac60b0e

rev	line source
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	1 /*
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	2
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2002, 2003,
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 7924 diff changeset	4 2004, 2005, 2006, 2007, 2008 John W. Eaton
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	5
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	7
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
9a4c07481e61 [project @ 1993-08-08 01:20:23 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: 5775 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: 5775 diff changeset	11 option) any later version.
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	12
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	16 for more details.
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	17
9a4c07481e61 [project @ 1993-08-08 01:20:23 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: 5775 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: 5775 diff changeset	20 <http://www.gnu.org/licenses/>.
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	21
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	22 */
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	23
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 3 diff changeset	24 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1011 diff changeset	25 #include <config.h>
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	26 #endif
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	27
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	28 #include "Quad.h"
1847 2ffe49eb95a5 [project @ 1996-02-03 12:47:55 by jwe] jwe parents: 1546 diff changeset	29 #include "f77-fcn.h"
2292 a265f5e924e3 [project @ 1996-06-06 14:59:05 by jwe] jwe parents: 1993 diff changeset	30 #include "lo-error.h"
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	31 #include "quit.h"
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	32 #include "sun-utils.h"
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	33
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	34 static integrand_fcn user_fcn;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	35 static float_integrand_fcn float_user_fcn;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	36
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5307 diff changeset	37 // FIXME -- would be nice to not have to have this global
260 74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	38 // variable.
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	39 // Nonzero means an error occurred in the calculation of the integrand
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	40 // function, and the user wants us to quit.
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	41 int quad_integration_error = 0;
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	42
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	43 typedef octave_idx_type (quad_fcn_ptr) (double, int&, double*);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	44 typedef octave_idx_type (quad_float_fcn_ptr) (float, int&, float*);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	45
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	46 extern "C"
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	47 {
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	48 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	49 F77_FUNC (dqagp, DQAGP) (quad_fcn_ptr, const double&, const double&,
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	50 const octave_idx_type&, const double*,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	51 const double&, const double&, double&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	52 double&, octave_idx_type&, octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	53 const octave_idx_type&, const octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	54 octave_idx_type&, octave_idx_type, double);
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	55
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	56 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	57 F77_FUNC (dqagi, DQAGI) (quad_fcn_ptr, const double&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	58 const octave_idx_type&, const double&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	59 const double&, double&, double&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	60 octave_idx_type&, octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	61 const octave_idx_type&, const octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	62 octave_idx_type&, octave_idx_type, double);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	63
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	64 F77_RET_T
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	65 F77_FUNC (qagp, QAGP) (quad_float_fcn_ptr, const float&, const float&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	66 const octave_idx_type&, const float*, const float&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	67 const float&, float&, float&, octave_idx_type&,
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	68 octave_idx_type&, const octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	69 const octave_idx_type&, octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	70 octave_idx_type, float);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	71
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	72 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	73 F77_FUNC (qagi, QAGI) (quad_float_fcn_ptr, const float&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	74 const octave_idx_type&, const float&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	75 const float&, float&, float&, octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	76 octave_idx_type&, const octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	77 const octave_idx_type&, octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	78 octave_idx_type, float);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	79 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	80
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	81 static octave_idx_type
3136 af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	82 user_function (double x, int& ierr, double result)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	83 {
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	84 BEGIN_INTERRUPT_WITH_EXCEPTIONS;
84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	85
9179 5be2e6696772 use access_double and assign_double on sparc only Carsten Clark <tantumquantum+gnuoctave@gmail.com> parents: 9169 diff changeset	86 #if defined (__sparc) && defined (__GNUC__)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	87 double xx = access_double (x);
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	88 #else
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	89 double xx = *x;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	90 #endif
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	91
260 74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	92 quad_integration_error = 0;
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	93
3136 af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	94 double xresult = (*user_fcn) (xx);
af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	95
9179 5be2e6696772 use access_double and assign_double on sparc only Carsten Clark <tantumquantum+gnuoctave@gmail.com> parents: 9169 diff changeset	96 #if defined (__sparc) && defined (__GNUC__)
3136 af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	97 assign_double (result, xresult);
af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	98 #else
af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	99 *result = xresult;
af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	100 #endif
260 74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	101
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	102 if (quad_integration_error)
1251 97eac19837dc [project @ 1995-04-11 15:58:32 by jwe] jwe parents: 1192 diff changeset	103 ierr = -1;
260 74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	104
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	105 END_INTERRUPT_WITH_EXCEPTIONS;
84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	106
3136 af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	107 return 0;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	108 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	109
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	110 static octave_idx_type
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	111 float_user_function (float x, int& ierr, float result)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	112 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	113 BEGIN_INTERRUPT_WITH_EXCEPTIONS;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	114
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	115 quad_integration_error = 0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	116
9169 b1e82cc8a9f3 eliminate broken special case for copying floats on Sun systems Carsten Clark <tantumquantum+gnuoctave@gmail.com> parents: 8920 diff changeset	117 result = (float_user_fcn) (*x);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	118
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	119 if (quad_integration_error)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	120 ierr = -1;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	121
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	122 END_INTERRUPT_WITH_EXCEPTIONS;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	123
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	124 return 0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	125 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	126
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	127 double
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	128 DefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval, double& abserr)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	129 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	130 octave_idx_type npts = singularities.capacity () + 2;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	131 double *points = singularities.fortran_vec ();
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	132 double result = 0.0;
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	133
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	134 octave_idx_type leniw = 183*npts - 122;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	135 Array<octave_idx_type> iwork (leniw, 1);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	136 octave_idx_type *piwork = iwork.fortran_vec ();
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	137
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	138 octave_idx_type lenw = 2*leniw - npts;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	139 Array<double> work (lenw, 1);
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	140 double *pwork = work.fortran_vec ();
23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	141
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	142 user_fcn = f;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	143 octave_idx_type last;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	144
289 c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 260 diff changeset	145 double abs_tol = absolute_tolerance ();
c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 260 diff changeset	146 double rel_tol = relative_tolerance ();
c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 260 diff changeset	147
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	148 F77_XFCN (dqagp, DQAGP, (user_function, lower_limit, upper_limit,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	149 npts, points, abs_tol, rel_tol, result,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	150 abserr, neval, ier, leniw, lenw, last,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	151 piwork, pwork));
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	152
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	153 return result;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	154 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	155
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	156 float
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7805 diff changeset	157 DefQuad::do_integrate (octave_idx_type&, octave_idx_type&, float&)
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	158 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	159 (*current_liboctave_error_handler) ("incorrect integration function called");
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	160 return 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	161 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	162
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	163 double
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	164 IndefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval, double& abserr)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	165 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	166 double result = 0.0;
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	167
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	168 octave_idx_type leniw = 128;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	169 Array<octave_idx_type> iwork (leniw, 1);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	170 octave_idx_type *piwork = iwork.fortran_vec ();
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	171
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	172 octave_idx_type lenw = 8*leniw;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	173 Array<double> work (lenw, 1);
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	174 double *pwork = work.fortran_vec ();
23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	175
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	176 user_fcn = f;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	177 octave_idx_type last;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	178
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	179 octave_idx_type inf;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	180 switch (type)
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	181 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	182 case bound_to_inf:
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	183 inf = 1;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	184 break;
1360 7eb93d12654c [project @ 1995-09-05 21:51:54 by jwe] jwe parents: 1315 diff changeset	185
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	186 case neg_inf_to_bound:
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	187 inf = -1;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	188 break;
1360 7eb93d12654c [project @ 1995-09-05 21:51:54 by jwe] jwe parents: 1315 diff changeset	189
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	190 case doubly_infinite:
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	191 inf = 2;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	192 break;
1360 7eb93d12654c [project @ 1995-09-05 21:51:54 by jwe] jwe parents: 1315 diff changeset	193
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	194 default:
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	195 assert (0);
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	196 break;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	197 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	198
289 c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 260 diff changeset	199 double abs_tol = absolute_tolerance ();
c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 260 diff changeset	200 double rel_tol = relative_tolerance ();
c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 260 diff changeset	201
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	202 F77_XFCN (dqagi, DQAGI, (user_function, bound, inf, abs_tol, rel_tol,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	203 result, abserr, neval, ier, leniw, lenw,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	204 last, piwork, pwork));
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	205
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	206 return result;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	207 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	208
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	209 float
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7805 diff changeset	210 IndefQuad::do_integrate (octave_idx_type&, octave_idx_type&, float&)
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	211 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	212 (*current_liboctave_error_handler) ("incorrect integration function called");
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	213 return 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	214 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	215
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	216 double
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7805 diff changeset	217 FloatDefQuad::do_integrate (octave_idx_type&, octave_idx_type&, double&)
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	218 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	219 (*current_liboctave_error_handler) ("incorrect integration function called");
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	220 return 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	221 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	222
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	223 float
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	224 FloatDefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval, float& abserr)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	225 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	226 octave_idx_type npts = singularities.capacity () + 2;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	227 float *points = singularities.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	228 float result = 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	229
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	230 octave_idx_type leniw = 183*npts - 122;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	231 Array<octave_idx_type> iwork (leniw, 1);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	232 octave_idx_type *piwork = iwork.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	233
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	234 octave_idx_type lenw = 2*leniw - npts;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	235 Array<float> work (lenw, 1);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	236 float *pwork = work.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	237
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	238 float_user_fcn = ff;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	239 octave_idx_type last;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	240
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	241 float abs_tol = single_precision_absolute_tolerance ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	242 float rel_tol = single_precision_relative_tolerance ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	243
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	244 F77_XFCN (qagp, QAGP, (float_user_function, lower_limit, upper_limit,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	245 npts, points, abs_tol, rel_tol, result,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	246 abserr, neval, ier, leniw, lenw, last,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	247 piwork, pwork));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	248
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	249 return result;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	250 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	251
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	252 double
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7805 diff changeset	253 FloatIndefQuad::do_integrate (octave_idx_type&, octave_idx_type&, double&)
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	254 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	255 (*current_liboctave_error_handler) ("incorrect integration function called");
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	256 return 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	257 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	258
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	259 float
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	260 FloatIndefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval, float& abserr)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	261 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	262 float result = 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	263
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	264 octave_idx_type leniw = 128;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	265 Array<octave_idx_type> iwork (leniw, 1);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	266 octave_idx_type *piwork = iwork.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	267
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	268 octave_idx_type lenw = 8*leniw;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	269 Array<float> work (lenw, 1);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	270 float *pwork = work.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	271
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	272 float_user_fcn = ff;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	273 octave_idx_type last;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	274
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	275 octave_idx_type inf;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	276 switch (type)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	277 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	278 case bound_to_inf:
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	279 inf = 1;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	280 break;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	281
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	282 case neg_inf_to_bound:
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	283 inf = -1;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	284 break;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	285
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	286 case doubly_infinite:
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	287 inf = 2;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	288 break;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	289
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	290 default:
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	291 assert (0);
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	292 break;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	293 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	294
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	295 float abs_tol = single_precision_absolute_tolerance ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	296 float rel_tol = single_precision_relative_tolerance ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	297
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	298 F77_XFCN (qagi, QAGI, (float_user_function, bound, inf, abs_tol, rel_tol,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	299 result, abserr, neval, ier, leniw, lenw,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	300 last, piwork, pwork));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	301
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	302 return result;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	303 }

Mercurial > octave

annotate liboctave/Quad.cc @ 11518:141b3fb5cef7