Mercurial > octave
annotate liboctave/numeric/Quad.cc @ 21301:40de9f8f23a6
Use '#include "config.h"' rather than <config.h>.
* mk-octave-config-h.sh, mk-opts.pl, Backend.cc, BaseControl.cc,
ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc,
EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, KeyMap.cc,
ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc,
ObjectFactory.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc,
PushButtonControl.cc, PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc,
SliderControl.cc, TextControl.cc, TextEdit.cc, ToggleButtonControl.cc,
ToggleTool.cc, ToolBar.cc, ToolBarButton.cc, __init_qt__.cc,
annotation-dialog.cc, gl-select.cc, module.mk, kpty.cpp, color-picker.cc,
dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc,
find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc,
file-editor-tab.cc, file-editor-tab.h, file-editor.cc, find-dialog.cc,
marker.cc, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc,
octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc,
thread-manager.cc, welcome-wizard.cc, workspace-model.cc, workspace-view.cc,
build-env-features.sh, build-env.in.cc, Cell.cc, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc,
__pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc,
bsxfun.cc, c-file-ptr-stream.cc, cdisplay.c, cellfun.cc, coct-hdf5-types.c,
colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc,
debug.cc, defaults.cc, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc,
dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc,
fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc,
gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc,
gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc, help.cc,
hess.cc, hex2num.cc, hook-fcn.cc, input.cc, inv.cc, jit-ir.cc, jit-typeinfo.cc,
jit-util.cc, kron.cc, load-path.cc, load-save.cc, lookup.cc,
ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc,
ls-oct-binary.cc, ls-oct-text.cc, ls-utils.cc, lsode.cc, lu.cc, luinc.cc,
mappers.cc, matrix_type.cc, max.cc, mex.cc, mgorth.cc, nproc.cc,
oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hist.cc, oct-iostrm.cc,
oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc,
oct-strstrm.cc, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, octave-link.cc,
ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc,
psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc,
schur.cc, sighandlers.cc, siglist.c, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc,
spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc, time.cc,
toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc,
variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc, xpow.cc, zfstream.cc,
__delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc,
__init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc,
__voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc,
colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc,
mkbuiltins, mkops, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc,
ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc,
ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc,
ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc,
ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc,
ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc,
ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc,
ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, op-b-b.cc, op-b-bm.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc,
op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc,
op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc,
op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc,
op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc,
op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc,
op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc,
op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc,
op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, lex.ll, oct-parse.in.yy,
pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc,
pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc,
pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc,
pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc,
token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc,
Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc,
Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, boolMatrix.cc,
boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc,
dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc,
dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc,
fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc,
fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc,
int64NDArray.cc, int8NDArray.cc, intNDArray.cc, uint16NDArray.cc,
uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, blaswrap.c, cquit.c,
f77-extern.cc, f77-fcn.c, lo-error.c, quit.cc, CollocWt.cc, DASPK.cc, DASRT.cc,
DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc, chol.cc,
eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-mappers.cc, lo-specfun.cc,
lu.cc, oct-convn.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-spparms.cc,
qr.cc, qrp.cc, randgamma.c, randmtzig.c, randpoisson.c, schur.cc,
sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc,
mk-ops.awk, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc,
oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c,
glob-match.cc, kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c,
lo-ieee.cc, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc,
oct-inttypes.cc, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-hist.c,
oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc,
sparse-util.cc, str-vec.cc, unwind-prot.cc, url-transfer.cc,
display-available.c, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc,
octave-config.in.cc:
Use '#include "config.h"' rather than <config.h>.
| author | Rik <rik@octave.org> |
|---|---|
| date | Thu, 18 Feb 2016 13:34:50 -0800 |
| parents | f7121e111991 |
| children | aba2e6293dd8 |
| rev | line source |
|---|---|
| 3 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1993-2015 John W. Eaton |
| 3 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 3 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 3 | 20 |
| 21 */ | |
| 22 | |
| 238 | 23 #ifdef HAVE_CONFIG_H |
|
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24 # include "config.h" |
| 3 | 25 #endif |
| 26 | |
| 27 #include "Quad.h" | |
| 1847 | 28 #include "f77-fcn.h" |
| 2292 | 29 #include "lo-error.h" |
| 4180 | 30 #include "quit.h" |
| 3 | 31 #include "sun-utils.h" |
| 32 | |
| 33 static integrand_fcn user_fcn; | |
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34 static float_integrand_fcn float_user_fcn; |
| 3 | 35 |
|
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36 // FIXME: would be nice to not have to have this global variable. |
| 260 | 37 // Nonzero means an error occurred in the calculation of the integrand |
| 38 // function, and the user wants us to quit. | |
| 39 int quad_integration_error = 0; | |
| 40 | |
| 5275 | 41 typedef octave_idx_type (*quad_fcn_ptr) (double*, int&, double*); |
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42 typedef octave_idx_type (*quad_float_fcn_ptr) (float*, int&, float*); |
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43 |
| 3 | 44 extern "C" |
| 4552 | 45 { |
| 46 F77_RET_T | |
| 47 F77_FUNC (dqagp, DQAGP) (quad_fcn_ptr, const double&, const double&, | |
| 11518 | 48 const octave_idx_type&, const double*, |
| 49 const double&, const double&, double&, | |
| 50 double&, octave_idx_type&, octave_idx_type&, | |
| 51 const octave_idx_type&, const octave_idx_type&, | |
| 52 octave_idx_type&, octave_idx_type*, double*); | |
| 3 | 53 |
| 4552 | 54 F77_RET_T |
| 11518 | 55 F77_FUNC (dqagi, DQAGI) (quad_fcn_ptr, const double&, |
| 56 const octave_idx_type&, const double&, | |
| 57 const double&, double&, double&, | |
| 58 octave_idx_type&, octave_idx_type&, | |
| 59 const octave_idx_type&, const octave_idx_type&, | |
|
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60 octave_idx_type&, octave_idx_type*, double*); |
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61 |
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62 F77_RET_T |
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63 F77_FUNC (qagp, QAGP) (quad_float_fcn_ptr, const float&, const float&, |
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64 const octave_idx_type&, const float*, const float&, |
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65 const float&, float&, float&, octave_idx_type&, |
| 11518 | 66 octave_idx_type&, const octave_idx_type&, |
| 67 const octave_idx_type&, octave_idx_type&, | |
| 68 octave_idx_type*, float*); | |
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69 |
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70 F77_RET_T |
| 11518 | 71 F77_FUNC (qagi, QAGI) (quad_float_fcn_ptr, const float&, |
| 72 const octave_idx_type&, const float&, | |
| 73 const float&, float&, float&, octave_idx_type&, | |
| 74 octave_idx_type&, const octave_idx_type&, | |
| 75 const octave_idx_type&, octave_idx_type&, | |
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76 octave_idx_type*, float*); |
| 4552 | 77 } |
| 3 | 78 |
| 5275 | 79 static octave_idx_type |
| 3136 | 80 user_function (double *x, int& ierr, double *result) |
| 3 | 81 { |
| 4180 | 82 BEGIN_INTERRUPT_WITH_EXCEPTIONS; |
| 83 | |
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84 #if defined (__sparc) && defined (__GNUC__) |
| 3 | 85 double xx = access_double (x); |
| 86 #else | |
| 87 double xx = *x; | |
| 88 #endif | |
| 89 | |
| 260 | 90 quad_integration_error = 0; |
| 91 | |
| 3136 | 92 double xresult = (*user_fcn) (xx); |
| 93 | |
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94 #if defined (__sparc) && defined (__GNUC__) |
| 3136 | 95 assign_double (result, xresult); |
| 96 #else | |
| 97 *result = xresult; | |
| 98 #endif | |
| 260 | 99 |
| 100 if (quad_integration_error) | |
| 1251 | 101 ierr = -1; |
| 260 | 102 |
| 4180 | 103 END_INTERRUPT_WITH_EXCEPTIONS; |
| 104 | |
| 3136 | 105 return 0; |
| 3 | 106 } |
| 107 | |
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108 static octave_idx_type |
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109 float_user_function (float *x, int& ierr, float *result) |
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110 { |
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111 BEGIN_INTERRUPT_WITH_EXCEPTIONS; |
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112 |
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113 quad_integration_error = 0; |
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114 |
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115 *result = (*float_user_fcn) (*x); |
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116 |
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117 if (quad_integration_error) |
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118 ierr = -1; |
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119 |
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120 END_INTERRUPT_WITH_EXCEPTIONS; |
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121 |
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122 return 0; |
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123 } |
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124 |
| 3 | 125 double |
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126 DefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval, |
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127 double& abserr) |
| 3 | 128 { |
|
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129 octave_idx_type npts = singularities.numel () + 2; |
| 3 | 130 double *points = singularities.fortran_vec (); |
| 131 double result = 0.0; | |
| 1935 | 132 |
| 5275 | 133 octave_idx_type leniw = 183*npts - 122; |
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134 Array<octave_idx_type> iwork (dim_vector (leniw, 1)); |
| 5275 | 135 octave_idx_type *piwork = iwork.fortran_vec (); |
| 1935 | 136 |
| 5275 | 137 octave_idx_type lenw = 2*leniw - npts; |
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138 Array<double> work (dim_vector (lenw, 1)); |
| 1935 | 139 double *pwork = work.fortran_vec (); |
| 140 | |
| 3 | 141 user_fcn = f; |
| 5275 | 142 octave_idx_type last; |
| 3 | 143 |
| 289 | 144 double abs_tol = absolute_tolerance (); |
| 145 double rel_tol = relative_tolerance (); | |
| 146 | |
| 1935 | 147 F77_XFCN (dqagp, DQAGP, (user_function, lower_limit, upper_limit, |
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148 npts, points, abs_tol, rel_tol, result, |
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149 abserr, neval, ier, leniw, lenw, last, |
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150 piwork, pwork)); |
| 3 | 151 |
| 152 return result; | |
| 153 } | |
| 154 | |
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155 float |
| 7924 | 156 DefQuad::do_integrate (octave_idx_type&, octave_idx_type&, float&) |
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157 { |
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158 (*current_liboctave_error_handler) ("incorrect integration function called"); |
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159 } |
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160 |
| 3 | 161 double |
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162 IndefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval, |
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163 double& abserr) |
| 3 | 164 { |
| 165 double result = 0.0; | |
| 1935 | 166 |
| 5275 | 167 octave_idx_type leniw = 128; |
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168 Array<octave_idx_type> iwork (dim_vector (leniw, 1)); |
| 5275 | 169 octave_idx_type *piwork = iwork.fortran_vec (); |
| 1935 | 170 |
| 5275 | 171 octave_idx_type lenw = 8*leniw; |
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172 Array<double> work (dim_vector (lenw, 1)); |
| 1935 | 173 double *pwork = work.fortran_vec (); |
| 174 | |
| 3 | 175 user_fcn = f; |
| 5275 | 176 octave_idx_type last; |
| 3 | 177 |
| 5275 | 178 octave_idx_type inf; |
| 3 | 179 switch (type) |
| 180 { | |
| 181 case bound_to_inf: | |
| 182 inf = 1; | |
| 183 break; | |
| 1360 | 184 |
| 3 | 185 case neg_inf_to_bound: |
| 186 inf = -1; | |
| 187 break; | |
| 1360 | 188 |
| 3 | 189 case doubly_infinite: |
| 190 inf = 2; | |
| 191 break; | |
| 1360 | 192 |
| 3 | 193 default: |
| 194 assert (0); | |
| 195 break; | |
| 196 } | |
| 197 | |
| 289 | 198 double abs_tol = absolute_tolerance (); |
| 199 double rel_tol = relative_tolerance (); | |
| 200 | |
| 1935 | 201 F77_XFCN (dqagi, DQAGI, (user_function, bound, inf, abs_tol, rel_tol, |
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202 result, abserr, neval, ier, leniw, lenw, |
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203 last, piwork, pwork)); |
| 3 | 204 |
| 205 return result; | |
| 206 } | |
| 207 | |
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208 float |
| 7924 | 209 IndefQuad::do_integrate (octave_idx_type&, octave_idx_type&, float&) |
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210 { |
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211 (*current_liboctave_error_handler) ("incorrect integration function called"); |
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212 } |
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213 |
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214 double |
| 7924 | 215 FloatDefQuad::do_integrate (octave_idx_type&, octave_idx_type&, double&) |
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216 { |
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217 (*current_liboctave_error_handler) ("incorrect integration function called"); |
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218 } |
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219 |
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220 float |
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221 FloatDefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval, |
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222 float& abserr) |
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223 { |
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224 octave_idx_type npts = singularities.numel () + 2; |
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225 float *points = singularities.fortran_vec (); |
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226 float result = 0.0; |
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227 |
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228 octave_idx_type leniw = 183*npts - 122; |
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229 Array<octave_idx_type> iwork (dim_vector (leniw, 1)); |
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230 octave_idx_type *piwork = iwork.fortran_vec (); |
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231 |
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232 octave_idx_type lenw = 2*leniw - npts; |
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233 Array<float> work (dim_vector (lenw, 1)); |
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234 float *pwork = work.fortran_vec (); |
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235 |
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236 float_user_fcn = ff; |
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237 octave_idx_type last; |
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238 |
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239 float abs_tol = single_precision_absolute_tolerance (); |
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240 float rel_tol = single_precision_relative_tolerance (); |
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241 |
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242 F77_XFCN (qagp, QAGP, (float_user_function, lower_limit, upper_limit, |
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243 npts, points, abs_tol, rel_tol, result, |
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244 abserr, neval, ier, leniw, lenw, last, |
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245 piwork, pwork)); |
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246 |
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247 return result; |
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248 } |
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249 |
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250 double |
| 7924 | 251 FloatIndefQuad::do_integrate (octave_idx_type&, octave_idx_type&, double&) |
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252 { |
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253 (*current_liboctave_error_handler) ("incorrect integration function called"); |
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254 } |
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255 |
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256 float |
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257 FloatIndefQuad::do_integrate (octave_idx_type& ier, octave_idx_type& neval, |
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258 float& abserr) |
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259 { |
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260 float result = 0.0; |
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261 |
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262 octave_idx_type leniw = 128; |
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263 Array<octave_idx_type> iwork (dim_vector (leniw, 1)); |
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264 octave_idx_type *piwork = iwork.fortran_vec (); |
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265 |
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266 octave_idx_type lenw = 8*leniw; |
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267 Array<float> work (dim_vector (lenw, 1)); |
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268 float *pwork = work.fortran_vec (); |
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269 |
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270 float_user_fcn = ff; |
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271 octave_idx_type last; |
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272 |
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273 octave_idx_type inf; |
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274 switch (type) |
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275 { |
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276 case bound_to_inf: |
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277 inf = 1; |
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278 break; |
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279 |
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280 case neg_inf_to_bound: |
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281 inf = -1; |
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282 break; |
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283 |
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284 case doubly_infinite: |
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285 inf = 2; |
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286 break; |
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287 |
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288 default: |
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289 assert (0); |
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290 break; |
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291 } |
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292 |
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293 float abs_tol = single_precision_absolute_tolerance (); |
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294 float rel_tol = single_precision_relative_tolerance (); |
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295 |
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296 F77_XFCN (qagi, QAGI, (float_user_function, bound, inf, abs_tol, rel_tol, |
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297 result, abserr, neval, ier, leniw, lenw, |
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298 last, piwork, pwork)); |
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299 |
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300 return result; |
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301 } |