octave: libinterp/corefcn/quad.cc annotate

annotate libinterp/corefcn/quad.cc @ 21966:112b20240c87

move docstrings in C++ files out of C strings and into comments * __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, cellfun.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, det.cc, dirfns.cc, dlmread.cc, dot.cc, eig.cc, ellipj.cc, error.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, graphics.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-oct-text.cc, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mgorth.cc, nproc.cc, oct-hist.cc, octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.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.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, ov-base.cc, ov-bool-mat.cc, ov-cell.cc, ov-class.cc, ov-classdef.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-range.cc, ov-re-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, octave.cc, pt-arg-list.cc, pt-binop.cc, pt-eval.cc, pt-mat.cc, lex.ll, oct-parse.in.yy: Docstrings are now comments instead of C strings. * build-aux/mk-opts.pl: Emit docstrings as comments instead of C strings. * DASPK-opts.in, LSODE-opts.in: Don't quote " in docstring fragments. * builtins.h: Include builtin-defun-decls.h unconditionally. * defun.h (DEFUN, DEFUNX, DEFCONSTFUN): Simply emit declaration. (DEFALIAS): Always expand to nothing. * defun-dld.h: No special macro expansions for MAKE_BUILTINS. (DEFUN_DLD): Use FORWARD_DECLARE_FUN. (DEFUNX_DLD): Use FORWARD_DECLARE_FUNX. * defun-int.h: No special macro expansions for MAKE_BUILTINS. (FORWARD_DECLARE_FUN, FORWARD_DECLARE_FUNX): New macros. (DEFINE_FUN_INSTALLER_FUN): If compiling an Octave source file, pass "external-doc" to DEFINE_FUNX_INSTALLER_FUN. (DEFUN_INTERNAL, DEFCONSTFUN_INTERNAL, DEFUNX_INTERNAL, DEFALIAS_INTERNAL): Delete. * common.mk (move_if_change_rule): New macro. (simple_move_if_change_rule): Define using move_if_change_rule. * find-defun-files.sh (DEFUN_PATTERN): Update. Don't transform file name extension to ".df". * libinterp/mk-pkg-add, gendoc.pl: Operate directly on source files. * mkbuiltins: New argument, SRCDIR. Operate directly on source files. * mkdefs: Delete. * libinterp/module.mk (BUILT_SOURCES): Update list to contain only files included in other source files. (GENERATED_MAKE_BUILTINS_INCS, DEF_FILES): Delete. (LIBINTERP_BUILT_DISTFILES): Include $(OPT_HANDLERS) here. (LIBINTERP_BUILT_NODISTFILES): Not here. Remove $(ALL_DEF_FILES from the list. (libinterp_EXTRA_DIST): Remove mkdefs from the list. (FOUND_DEFUN_FILES): Rename from SRC_DEF_FILES. (DLDFCN_DEFUN_FILES): Rename from DLDFCN_DEF_FILES. (SRC_DEFUN_FILES): Rename from SRC_DEF_FILES. (ALL_DEFUN_FILES): Rename from ALL_DEF_FILES. (%.df: %.cc): Delete pattern rule. (libinterp/build-env-features.cc, libinterp/builtins.cc, libinterp/dldfcn/PKG_ADD): Use mv instead of move-if-change. (libinterp/builtins.cc, libinterp/builtin-defun-decls.h): Update mkbuiltins command. ($(srcdir)/libinterp/DOCSTRINGS): Update gendoc.pl command. * liboctave/module.mk (BUILT_SOURCES): Don't include liboctave-build-info.cc in the list.

author	John W. Eaton <jwe@octave.org>
date	Tue, 21 Jun 2016 16:07:51 -0400
parents	2aef506f3fec
children	8de49f15e182

rev	line source
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	1 /*
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 18862 diff changeset	3 Copyright (C) 1996-2015 John W. Eaton
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	4
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	6
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
295f037b4b3e [project @ 1997-05-05 05:32:33 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: 6741 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: 6741 diff changeset	10 option) any later version.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	11
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	15 for more details.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	16
295f037b4b3e [project @ 1997-05-05 05:32:33 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: 6741 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: 6741 diff changeset	19 <http://www.gnu.org/licenses/>.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	20
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	21 */
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	22
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	23 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	24 # include "config.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	26
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	27 #include <string>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28
3567 dd8998699aa8 [project @ 2000-02-03 09:54:28 by jwe] jwe parents: 3544 diff changeset	29 #include <iomanip>
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3419 diff changeset	30 #include <iostream>
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	31
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	32 #include "Quad.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	33 #include "lo-mappers.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	34
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	35 #include "defun.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	36 #include "error.h"
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 20940 diff changeset	37 #include "errwarn.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	38 #include "pager.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20939 diff changeset	39 #include "ovl.h"
2968 e330cb788508 [project @ 1997-05-15 17:40:29 by jwe] jwe parents: 2928 diff changeset	40 #include "ov-fcn.h"
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	41 #include "unwind-prot.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	42 #include "utils.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	43 #include "variables.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	44
3998 f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3964 diff changeset	45 #include "Quad-opts.cc"
f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3964 diff changeset	46
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	47 #if defined (quad)
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21118 diff changeset	48 # undef quad
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	49 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	50
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	51 // Global pointer for user defined function required by quadrature functions.
2968 e330cb788508 [project @ 1997-05-15 17:40:29 by jwe] jwe parents: 2928 diff changeset	52 static octave_function *quad_fcn;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	53
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	54 // Have we warned about imaginary values returned from user function?
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	55 static bool warned_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	56
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	57 // Is this a recursive call?
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	58 static int call_depth = 0;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	59
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	60 double
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	61 quad_user_function (double x)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	62 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	63 double retval = 0.0;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	64
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	65 octave_value_list args;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	66 args(0) = x;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	67
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	68 if (quad_fcn)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	69 {
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	70 octave_value_list tmp;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	71
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	72 try
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	73 {
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	74 tmp = quad_fcn->do_multi_index_op (1, args);
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	75 }
20785 b6f2909e7f94 always throw exception after debugging with debug_on_error John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	76 catch (octave_execution_exception& e)
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	77 {
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 20940 diff changeset	78 err_user_supplied_eval (e, "quad");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	79 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	80
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	81 if (! tmp.length () \|\| ! tmp(0).is_defined ())
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	82 err_user_supplied_eval ("quad");
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	83
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	84 if (! warned_imaginary && tmp(0).is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	85 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	86 warning ("quad: ignoring imaginary part returned from user-supplied function");
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	87 warned_imaginary = true;
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	88 }
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	89
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	90 retval = tmp(0).xdouble_value ("quad: expecting user supplied function to return numeric value");
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	91 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	92
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	93 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	94 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	95
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	96 float
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	97 quad_float_user_function (float x)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	98 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	99 float retval = 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	100
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	101 octave_value_list args;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	102 args(0) = x;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	103
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	104 if (quad_fcn)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	105 {
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	106 octave_value_list tmp;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	107
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	108 try
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	109 {
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	110 tmp = quad_fcn->do_multi_index_op (1, args);
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	111 }
20785 b6f2909e7f94 always throw exception after debugging with debug_on_error John W. Eaton <jwe@octave.org> parents: 20756 diff changeset	112 catch (octave_execution_exception& e)
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	113 {
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 20940 diff changeset	114 err_user_supplied_eval (e, "quad");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	115 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	116
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	117 if (! tmp.length () \|\| ! tmp(0).is_defined ())
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	118 err_user_supplied_eval ("quad");
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	119
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	120 if (! warned_imaginary && tmp(0).is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	121 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	122 warning ("quad: ignoring imaginary part returned from user-supplied function");
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	123 warned_imaginary = true;
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	124 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	125
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	126 retval = tmp(0).xfloat_value ("quad: expecting user supplied function to return numeric value");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	127 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	128
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	129 return retval;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	130 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	131
20915 a3359fe50966 remove unused nargout variables John W. Eaton <jwe@octave.org> parents: 20909 diff changeset	132 DEFUN (quad, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	133 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	134 @deftypefn {} {@var{q} =} quad (@var{f}, @var{a}, @var{b})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	135 @deftypefnx {} {@var{q} =} quad (@var{f}, @var{a}, @var{b}, @var{tol})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	136 @deftypefnx {} {@var{q} =} quad (@var{f}, @var{a}, @var{b}, @var{tol}, @var{sing})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	137 @deftypefnx {} {[@var{q}, @var{ier}, @var{nfun}, @var{err}] =} quad (@dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	138 Numerically evaluate the integral of @var{f} from @var{a} to @var{b} using
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	139 Fortran routines from @w{@sc{quadpack}}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	140
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	141 @var{f} is a function handle, inline function, or a string containing the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	142 name of the function to evaluate. The function must have the form @code{y =
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	143 f (x)} where @var{y} and @var{x} are scalars.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	144
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	145 @var{a} and @var{b} are the lower and upper limits of integration. Either
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	146 or both may be infinite.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	147
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	148 The optional argument @var{tol} is a vector that specifies the desired
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	149 accuracy of the result. The first element of the vector is the desired
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	150 absolute tolerance, and the second element is the desired relative
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	151 tolerance. To choose a relative test only, set the absolute
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	152 tolerance to zero. To choose an absolute test only, set the relative
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	153 tolerance to zero. Both tolerances default to @code{sqrt (eps)} or
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	154 approximately @math{1.5e^{-8}}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	155
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	156 The optional argument @var{sing} is a vector of values at which the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	157 integrand is known to be singular.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	158
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	159 The result of the integration is returned in @var{q}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	160
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	161 @var{ier} contains an integer error code (0 indicates a successful
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	162 integration).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	163
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	164 @var{nfun} indicates the number of function evaluations that were
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	165 made.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	166
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	167 @var{err} contains an estimate of the error in the solution.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	168
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	169 The function @code{quad_options} can set other optional parameters for
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	170 @code{quad}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	171
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	172 Note: because @code{quad} is written in Fortran it cannot be called
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	173 recursively. This prevents its use in integrating over more than one
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	174 variable by routines @code{dblquad} and @code{triplequad}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	175 @seealso{quad_options, quadv, quadl, quadgk, quadcc, trapz, dblquad, triplequad}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	176 @end deftypefn */)
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	177 {
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	178 int nargin = args.length ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	179
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	180 if (nargin < 3 \|\| nargin > 5)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	181 print_usage ();
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	182
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	183 warned_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	184
21743 f4d7d0eb5b0c use namespace for unwind_protect class John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	185 octave::unwind_protect frame;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	186
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9377 diff changeset	187 frame.protect_var (call_depth);
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	188 call_depth++;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	189
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	190 if (call_depth > 1)
20709 a2a99aaf680b eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20687 diff changeset	191 error ("quad: invalid recursive call");
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	192
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	193 std::string fcn_name;
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	194
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	195 if (args(0).is_function_handle () \|\| args(0).is_inline_function ())
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	196 quad_fcn = args(0).function_value ();
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	197 else
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	198 {
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	199 fcn_name = unique_symbol_name ("__quad_fcn__");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	200 std::string fname = "function y = ";
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	201 fname.append (fcn_name);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	202 fname.append ("(x) y = ");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	203 quad_fcn = extract_function (args(0), "quad", fcn_name, fname,
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	204 "; endfunction");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	205 frame.add_fcn (clear_function, fcn_name);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	206 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	207
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	208 if (! quad_fcn)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	209 error ("quad: FCN argument is not a valid function name or handle");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	210
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	211 octave_value_list retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	212
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	213 if (args(1).is_single_type () \|\| args(2).is_single_type ())
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	214 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	215 float a = args(1).xfloat_value ("quad: lower limit of integration A must be a scalar");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	216 float b = args(2).xfloat_value ("quad: upper limit of integration B must be a scalar");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	217
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	218 int indefinite = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	219 FloatIndefQuad::IntegralType indef_type
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	220 = FloatIndefQuad::doubly_infinite;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	221 float bound = 0.0;
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	222 if (octave::math::isinf (a) && octave::math::isinf (b))
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	223 {
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	224 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	225 indef_type = FloatIndefQuad::doubly_infinite;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	226 }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	227 else if (octave::math::isinf (a))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	228 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	229 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	230 bound = b;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	231 indef_type = FloatIndefQuad::neg_inf_to_bound;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	232 }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	233 else if (octave::math::isinf (b))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	234 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	235 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	236 bound = a;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	237 indef_type = FloatIndefQuad::bound_to_inf;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	238 }
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	239
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	240 octave_idx_type ier = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	241 octave_idx_type nfun = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	242 float abserr = 0.0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	243 float val = 0.0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	244 bool have_sing = false;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	245 FloatColumnVector sing;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	246 FloatColumnVector tol;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	247
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	248 switch (nargin)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	249 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	250 case 5:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	251 if (indefinite)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	252 error ("quad: singularities not allowed on infinite intervals");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	253
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	254 have_sing = true;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	255
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	256 sing = args(4).xfloat_vector_value ("quad: fifth argument SING must be a vector vector of singularities");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	257
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	258 case 4:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	259 tol = args(3).xfloat_vector_value ("quad: TOL must be a 1 or 2-element vector");
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	260
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	261 switch (tol.numel ())
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	262 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	263 case 2:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	264 quad_opts.set_single_precision_relative_tolerance (tol (1));
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	265
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	266 case 1:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	267 quad_opts.set_single_precision_absolute_tolerance (tol (0));
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	268 break;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	269
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	270 default:
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	271 error ("quad: TOL must be a 1 or 2-element vector");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	272 }
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	273
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	274 case 3:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	275 if (indefinite)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	276 {
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	277 FloatIndefQuad iq (quad_float_user_function, bound,
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	278 indef_type);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	279 iq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	280 val = iq.float_integrate (ier, nfun, abserr);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	281 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	282 else
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	283 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	284 if (have_sing)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	285 {
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	286 FloatDefQuad dq (quad_float_user_function, a, b, sing);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	287 dq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	288 val = dq.float_integrate (ier, nfun, abserr);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	289 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	290 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	291 {
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	292 FloatDefQuad dq (quad_float_user_function, a, b);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	293 dq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	294 val = dq.float_integrate (ier, nfun, abserr);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	295 }
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	296 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	297 break;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	298
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	299 default:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	300 panic_impossible ();
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	301 break;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	302 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	303
20884 f1b2a2dbc0e1 2015 Code Sprint: use ovl () in C++ files. José Luis García Pallero <jgpallero@gmail.com> parents: 20853 diff changeset	304 retval = ovl (val, ier, nfun, abserr);
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	305
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	306 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	307 else
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	308 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	309 double a = args(1).xdouble_value ("quad: lower limit of integration A must be a scalar");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	310 double b = args(2).xdouble_value ("quad: upper limit of integration B must be a scalar");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	311
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	312 int indefinite = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	313 IndefQuad::IntegralType indef_type = IndefQuad::doubly_infinite;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	314 double bound = 0.0;
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	315 if (octave::math::isinf (a) && octave::math::isinf (b))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	316 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	317 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	318 indef_type = IndefQuad::doubly_infinite;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	319 }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	320 else if (octave::math::isinf (a))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	321 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	322 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	323 bound = b;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	324 indef_type = IndefQuad::neg_inf_to_bound;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	325 }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	326 else if (octave::math::isinf (b))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	327 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	328 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	329 bound = a;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	330 indef_type = IndefQuad::bound_to_inf;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	331 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	332
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	333 octave_idx_type ier = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	334 octave_idx_type nfun = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	335 double abserr = 0.0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	336 double val = 0.0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	337 bool have_sing = false;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	338 ColumnVector sing;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	339 ColumnVector tol;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	340
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	341 switch (nargin)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	342 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	343 case 5:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	344 if (indefinite)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	345 error ("quad: singularities not allowed on infinite intervals");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	346
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	347 have_sing = true;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	348
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	349 sing = args(4).vector_value ("quad: fifth argument SING must be a vector vector of singularities");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	350
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	351 case 4:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	352 tol = args(3).xvector_value ("quad: TOL must be a 1 or 2-element vector");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	353
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	354 switch (tol.numel ())
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	355 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	356 case 2:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	357 quad_opts.set_relative_tolerance (tol (1));
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	358
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	359 case 1:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	360 quad_opts.set_absolute_tolerance (tol (0));
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	361 break;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	362
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	363 default:
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	364 error ("quad: TOL must be a 1 or 2-element vector");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	365 }
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	366
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	367 case 3:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	368 if (indefinite)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	369 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	370 IndefQuad iq (quad_user_function, bound, indef_type);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	371 iq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	372 val = iq.integrate (ier, nfun, abserr);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	373 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	374 else
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	375 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	376 if (have_sing)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	377 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	378 DefQuad dq (quad_user_function, a, b, sing);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	379 dq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	380 val = dq.integrate (ier, nfun, abserr);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	381 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	382 else
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	383 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	384 DefQuad dq (quad_user_function, a, b);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	385 dq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	386 val = dq.integrate (ier, nfun, abserr);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	387 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	388 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	389 break;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	390
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	391 default:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	392 panic_impossible ();
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	393 break;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	394 }
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	395
20884 f1b2a2dbc0e1 2015 Code Sprint: use ovl () in C++ files. José Luis García Pallero <jgpallero@gmail.com> parents: 20853 diff changeset	396 retval = ovl (val, ier, nfun, abserr);
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	397 }
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	398
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	399 if (fcn_name.length ())
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	400 clear_function (fcn_name);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	401
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	402 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	403 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	404
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	405 /*
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	406 %!function y = __f (x)
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	407 %! y = x + 1;
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	408 %!endfunction
4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	409
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	410 %!test
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	411 %! [v, ier, nfun, err] = quad ("__f", 0, 5);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	412 %! assert (ier, 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	413 %! assert (v, 17.5, sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	414 %! assert (nfun > 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	415 %! assert (err < sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	416
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	417 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	418 %! [v, ier, nfun, err] = quad ("__f", single (0), single (5));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	419 %! assert (ier, 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	420 %! assert (v, 17.5, sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	421 %! assert (nfun > 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	422 %! assert (err < sqrt (eps ("single")));
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	423
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	424 %!function y = __f (x)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	425 %! y = x .* sin (1 ./ x) .* sqrt (abs (1 - x));
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	426 %!endfunction
4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	427
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	428 %!test
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	429 %! [v, ier, nfun, err] = quad ("__f", 0.001, 3);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	430 %! assert (ier == 0 \|\| ier == 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	431 %! assert (v, 1.98194120273598, sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	432 %! assert (nfun > 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	433
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	434 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	435 %! [v, ier, nfun, err] = quad ("__f", single (0.001), single (3));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	436 %! assert (ier == 0 \|\| ier == 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	437 %! assert (v, 1.98194120273598, sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	438 %! assert (nfun > 0);
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	439
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	440 %!error quad ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	441 %!error quad ("__f", 1, 2, 3, 4, 5)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	442
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	443 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	444 %! quad_options ("absolute tolerance", eps);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	445 %! assert (quad_options ("absolute tolerance") == eps);
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	446
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	447 %!error quad_options (1, 2, 3)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	448 */

Mercurial > octave

annotate libinterp/corefcn/quad.cc @ 21966:112b20240c87