octave: liboctave/numeric/Quad.cc annotate

annotate liboctave/numeric/Quad.cc @ 19697:4197fc428c7d

maint: Update copyright notices for 2015.

author	John W. Eaton <jwe@octave.org>
date	Wed, 11 Feb 2015 14:19:08 -0500
parents	49a5a4be04a1
children	5dfaaaae784f

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
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	3 Copyright (C) 1993-2015 John W. Eaton
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	4
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	6
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	7 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	8 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	9 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	10 option) any later version.
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	11
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	12 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	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	14 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	15 for more details.
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	16
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	17 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	18 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	19 <http://www.gnu.org/licenses/>.
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	20
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
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 3 diff changeset	23 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1011 diff changeset	24 #include <config.h>
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	25 #endif
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	26
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	27 #include "Quad.h"
1847 2ffe49eb95a5 [project @ 1996-02-03 12:47:55 by jwe] jwe parents: 1546 diff changeset	28 #include "f77-fcn.h"
2292 a265f5e924e3 [project @ 1996-06-06 14:59:05 by jwe] jwe parents: 1993 diff changeset	29 #include "lo-error.h"
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	30 #include "quit.h"
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	31 #include "sun-utils.h"
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	32
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	33 static integrand_fcn user_fcn;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	34 static float_integrand_fcn float_user_fcn;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	35
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	36 // FIXME: would be nice to not have to have this global variable.
260 74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	37 // 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	38 // function, and the user wants us to quit.
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	39 int quad_integration_error = 0;
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	40
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	41 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	42 typedef octave_idx_type (quad_float_fcn_ptr) (float, int&, float*);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	43
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	44 extern "C"
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	45 {
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	46 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	47 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	48 const octave_idx_type&, const double*,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	49 const double&, const double&, double&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	50 double&, octave_idx_type&, octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	51 const octave_idx_type&, const octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	52 octave_idx_type&, octave_idx_type, double);
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	53
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	54 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	55 F77_FUNC (dqagi, DQAGI) (quad_fcn_ptr, const double&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	56 const octave_idx_type&, const double&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	57 const double&, double&, double&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	58 octave_idx_type&, octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	59 const octave_idx_type&, const octave_idx_type&,
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	60 octave_idx_type&, octave_idx_type, double);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	61
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	62 F77_RET_T
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	63 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	64 const octave_idx_type&, const float*, const float&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	65 const float&, float&, float&, octave_idx_type&,
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	66 octave_idx_type&, const octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	67 const octave_idx_type&, octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	68 octave_idx_type, float);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	69
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	70 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	71 F77_FUNC (qagi, QAGI) (quad_float_fcn_ptr, const float&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	72 const octave_idx_type&, const float&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	73 const float&, float&, float&, octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	74 octave_idx_type&, const octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	75 const octave_idx_type&, octave_idx_type&,
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11570 diff changeset	76 octave_idx_type, float);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	77 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	78
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	79 static octave_idx_type
3136 af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	80 user_function (double x, int& ierr, double result)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	81 {
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	82 BEGIN_INTERRUPT_WITH_EXCEPTIONS;
84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	83
9179 5be2e6696772 use access_double and assign_double on sparc only Carsten Clark <tantumquantum+gnuoctave@gmail.com> parents: 9169 diff changeset	84 #if defined (__sparc) && defined (__GNUC__)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	85 double xx = access_double (x);
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	86 #else
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	87 double xx = *x;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	88 #endif
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	89
260 74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	90 quad_integration_error = 0;
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	91
3136 af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	92 double xresult = (*user_fcn) (xx);
af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	93
9179 5be2e6696772 use access_double and assign_double on sparc only Carsten Clark <tantumquantum+gnuoctave@gmail.com> parents: 9169 diff changeset	94 #if defined (__sparc) && defined (__GNUC__)
3136 af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	95 assign_double (result, xresult);
af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	96 #else
af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	97 *result = xresult;
af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	98 #endif
260 74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	99
74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	100 if (quad_integration_error)
1251 97eac19837dc [project @ 1995-04-11 15:58:32 by jwe] jwe parents: 1192 diff changeset	101 ierr = -1;
260 74d73a4b3fc7 [project @ 1993-12-14 23:57:42 by jwe] jwe parents: 238 diff changeset	102
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	103 END_INTERRUPT_WITH_EXCEPTIONS;
84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	104
3136 af7ec9d3a5e6 [project @ 1998-02-01 20:11:06 by jwe] jwe parents: 2847 diff changeset	105 return 0;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	106 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	107
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	108 static octave_idx_type
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	109 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	110 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	111 BEGIN_INTERRUPT_WITH_EXCEPTIONS;
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 quad_integration_error = 0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	114
9169 b1e82cc8a9f3 eliminate broken special case for copying floats on Sun systems Carsten Clark <tantumquantum+gnuoctave@gmail.com> parents: 8920 diff changeset	115 result = (float_user_fcn) (*x);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	116
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	117 if (quad_integration_error)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	118 ierr = -1;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	119
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	120 END_INTERRUPT_WITH_EXCEPTIONS;
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 return 0;
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
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	125 double
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	126 DefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	127 double& abserr)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	128 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	129 octave_idx_type npts = singularities.capacity () + 2;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	130 double *points = singularities.fortran_vec ();
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	131 double result = 0.0;
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	132
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	133 octave_idx_type leniw = 183*npts - 122;
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	134 Array<octave_idx_type> iwork (dim_vector (leniw, 1));
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	135 octave_idx_type *piwork = iwork.fortran_vec ();
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	136
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	137 octave_idx_type lenw = 2*leniw - npts;
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	138 Array<double> work (dim_vector (lenw, 1));
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	139 double *pwork = work.fortran_vec ();
23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	140
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	141 user_fcn = f;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	142 octave_idx_type last;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	143
289 c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 260 diff changeset	144 double abs_tol = absolute_tolerance ();
c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 260 diff changeset	145 double rel_tol = relative_tolerance ();
c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 260 diff changeset	146
1935 23c350d0cf9d [project @ 1996-02-12 04:03:05 by jwe] jwe parents: 1882 diff changeset	147 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	148 npts, points, abs_tol, rel_tol, result,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	149 abserr, neval, ier, leniw, lenw, last,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	150 piwork, pwork));
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	151
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	152 return result;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	153 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	154
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	155 float
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7805 diff changeset	156 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	157 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	158 (*current_liboctave_error_handler) ("incorrect integration function called");
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	159 return 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	160 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	161
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	162 double
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	163 IndefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	164 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;
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	169 Array<octave_idx_type> iwork (dim_vector (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;
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	173 Array<double> work (dim_vector (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
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	224 FloatDefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	225 float& abserr)
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	226 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	227 octave_idx_type npts = singularities.capacity () + 2;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	228 float *points = singularities.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	229 float result = 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	230
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	231 octave_idx_type leniw = 183*npts - 122;
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	232 Array<octave_idx_type> iwork (dim_vector (leniw, 1));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	233 octave_idx_type *piwork = iwork.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	234
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	235 octave_idx_type lenw = 2*leniw - npts;
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	236 Array<float> work (dim_vector (lenw, 1));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	237 float *pwork = work.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	238
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	239 float_user_fcn = ff;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	240 octave_idx_type last;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	241
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	242 float abs_tol = single_precision_absolute_tolerance ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	243 float rel_tol = single_precision_relative_tolerance ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	244
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	245 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	246 npts, points, abs_tol, rel_tol, result,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	247 abserr, neval, ier, leniw, lenw, last,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	248 piwork, pwork));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	249
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	250 return result;
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
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	253 double
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7805 diff changeset	254 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	255 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	256 (*current_liboctave_error_handler) ("incorrect integration function called");
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	257 return 0.0;
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
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	260 float
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	261 FloatIndefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	262 float& abserr)
7805 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 float result = 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	265
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	266 octave_idx_type leniw = 128;
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	267 Array<octave_idx_type> iwork (dim_vector (leniw, 1));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	268 octave_idx_type *piwork = iwork.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	269
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	270 octave_idx_type lenw = 8*leniw;
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	271 Array<float> work (dim_vector (lenw, 1));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	272 float *pwork = work.fortran_vec ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	273
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	274 float_user_fcn = ff;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	275 octave_idx_type last;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	276
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	277 octave_idx_type inf;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	278 switch (type)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	279 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	280 case bound_to_inf:
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	281 inf = 1;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	282 break;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	283
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	284 case neg_inf_to_bound:
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	285 inf = -1;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	286 break;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	287
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	288 case doubly_infinite:
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	289 inf = 2;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	290 break;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	291
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	292 default:
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	293 assert (0);
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	294 break;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	295 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	296
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	297 float abs_tol = single_precision_absolute_tolerance ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	298 float rel_tol = single_precision_relative_tolerance ();
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	299
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	300 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	301 result, abserr, neval, ier, leniw, lenw,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	302 last, piwork, pwork));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	303
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	304 return result;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7482 diff changeset	305 }

Mercurial > octave

annotate liboctave/numeric/Quad.cc @ 19697:4197fc428c7d