annotate liboctave/numeric/oct-rand.cc @ 24534:194eb4bd202b

maint: Update punctuation for GPL v3 license text. * COPYING, Makefile.am, README, bootstrap, bootstrap.conf, OctJavaQry.java, changelog.tmpl, check-subst-vars.in.sh, find-defun-files.sh, find-files-with-tests.sh, get-source-mtime.sh, mk-hg-id.sh, mk-octave-config-h.sh, mk-opts.pl, stl_algo.h-fixed, subst-config-vals.in.sh, subst-cross-config-vals.in.sh, subst-default-vals.in.sh, subst-script-vals.in.sh, configure.ac, Doxyfile.in, arith.txi, audio.txi, basics.txi, bugs.txi, config-images.sh, container.txi, cp-idx.txi, data.txi, debug.txi, diagperm.txi, diffeq.txi, add_to_aspell_dict, mk_undocumented_list, spellcheck, errors.txi, eval.txi, expr.txi, external.txi, fn-idx.txi, func.txi, genpropdoc.m, geometry.txi, geometryimages.m, grammar.txi, gui.txi, image.txi, images.awk, install.txi, interp.txi, interpimages.m, intro.txi, io.txi, linalg.txi, macros.texi, matrix.txi, mk-doc-cache.pl, mkcontrib.awk, mkoctfile.1, munge-texi.pl, nonlin.txi, numbers.txi, obsolete.txi, octave-cli.1, octave-config.1, octave.1, octave.css, octave.texi, oop.txi, op-idx.txi, optim.txi, package.txi, plot.txi, plotimages.m, poly.txi, preface.txi, quad.txi, set.txi, signal.txi, sparse.txi, sparseimages.m, splineimages.m, stats.txi, stmt.txi, strings.txi, system.txi, testfun.txi, var.txi, vectorize.txi, array.texi, bugs.texi, cp-idx.texi, dae.texi, diffeq.texi, error.texi, factor.texi, fn-idx.texi, gpl.texi, install.texi, intro.texi, liboctave.texi, matvec.texi, nleqn.texi, nlfunc.texi, ode.texi, optim.texi, preface.texi, quad.texi, range.texi, refcard-a4.tex, refcard-legal.tex, refcard-letter.tex, refcard.tex, HACKING.md, octave.appdata.xml.in, Backend.cc, Backend.h, BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h, ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h, CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h, Figure.cc, Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc, GLCanvas.h, GenericEventNotify.h, KeyMap.cc, KeyMap.h, ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h, MenuContainer.h, MouseModeActionGroup.cc, MouseModeActionGroup.h, Object.cc, Object.h, ObjectFactory.cc, ObjectFactory.h, ObjectProxy.cc, ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h, QtHandlesUtils.cc, QtHandlesUtils.h, RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc, SliderControl.h, TextControl.cc, TextControl.h, TextEdit.cc, TextEdit.h, ToggleButtonControl.cc, ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h, ToolBarButton.cc, ToolBarButton.h, __init_qt__.cc, __init_qt__.h, annotation-dialog.cc, annotation-dialog.h, gl-select.cc, gl-select.h, liboctgui-build-info.h, liboctgui-build-info.in.cc, mk-default-qt-settings.in.sh, QTerminal.cc, QTerminal.h, BlockArray.cpp, BlockArray.h, Character.h, CharacterColor.h, Emulation.cpp, Emulation.h, Filter.cpp, Filter.h, History.cpp, History.h, KeyboardTranslator.cpp, KeyboardTranslator.h, QUnixTerminalImpl.cpp, QUnixTerminalImpl.h, Screen.cpp, Screen.h, ScreenWindow.cpp, ScreenWindow.h, SelfListener.cpp, SelfListener.h, TerminalCharacterDecoder.cpp, TerminalCharacterDecoder.h, TerminalModel.cpp, TerminalModel.h, TerminalView.cpp, TerminalView.h, Vt102Emulation.cpp, Vt102Emulation.h, kpty.cpp, kpty.h, kpty_p.h, QTerminalColors.cpp, QTerminalColors.h, QWinTerminalImpl.cpp, QWinTerminalImpl.h, main.cpp, color-picker.cc, color-picker.h, dialog.cc, dialog.h, documentation-dock-widget.cc, documentation-dock-widget.h, external-editor-interface.cc, external-editor-interface.h, files-dock-widget.cc, files-dock-widget.h, find-files-dialog.cc, find-files-dialog.h, find-files-model.cc, find-files-model.h, history-dock-widget.cc, history-dock-widget.h, file-editor-interface.h, file-editor-tab.cc, file-editor-tab.h, file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h, marker.cc, marker.h, octave-qscintilla.cc, octave-qscintilla.h, octave-txt-lexer.cc, octave-txt-lexer.h, main-window.cc, main-window.h, octave-cmd.cc, octave-cmd.h, octave-dock-widget.cc, octave-dock-widget.h, octave-gui.cc, octave-gui.h, octave-qt-link.cc, octave-qt-link.h, octave-settings.h, texinfo-parser.cc, texinfo-parser.h, webinfo.cc, webinfo.h, resource-manager.cc, resource-manager.h, settings-dialog.cc, settings-dialog.h, shortcut-manager.cc, shortcut-manager.h, terminal-dock-widget.cc, terminal-dock-widget.h, thread-manager.cc, thread-manager.h, variable-editor-model.cc, variable-editor-model.h, variable-editor.cc, variable-editor.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.cc, workspace-model.h, workspace-view.cc, workspace-view.h, build-env.h, build-env.in.cc, builtins.h, Cell.cc, Cell.h, __contourc__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, base-text-renderer.h, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, default-defs.in.h, defaults.cc, defaults.h, defun-dld.h, defun-int.h, defun.cc, defun.h, det.cc, dirfns.cc, dirfns.h, display.cc, display.h, dlmread.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.cc, errwarn.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, file-io.h, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gammainc.cc, gcd.cc, genprops.awk, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-handle.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gripes.cc, gripes.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, kron.cc, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-hdf5.cc, ls-hdf5.h, ls-mat-ascii.cc, ls-mat-ascii.h, ls-mat4.cc, ls-mat4.h, ls-mat5.cc, ls-mat5.h, ls-oct-binary.cc, ls-oct-binary.h, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h, mexproto.h, mgorth.cc, mk-errno-list.sh, mk-mxarray-h.in.sh, mxarray.in.h, nproc.cc, oct-errno.h, oct-errno.in.cc, oct-fstrm.cc, oct-fstrm.h, oct-handle.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hdf5.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-map.cc, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, oct.h, octave-default-image.h, octave-link.cc, octave-link.h, ordschur.cc, pager.cc, pager.h, pinv.cc, pr-output.cc, pr-output.h, procstream.cc, procstream.h, psi.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, toplev.h, tril.cc, tsearch.cc, txt-eng.cc, txt-eng.h, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, workspace-element.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, zfstream.cc, zfstream.h, deprecated-config.h, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, config-module.awk, config-module.sh, convhulln.cc, dmperm.cc, fftw.cc, gzip.cc, oct-qhull.h, qr.cc, symbfact.cc, symrcm.cc, liboctinterp-build-info.h, liboctinterp-build-info.in.cc, mk-build-env-features.sh, mk-builtins.pl, mk-doc.pl, mk-pkg-add.sh, mk-version-h.in.sh, ov-base-diag.cc, ov-base-diag.h, ov-base-int.cc, ov-base-int.h, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h, ov-base-sparse.cc, ov-base-sparse.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h, ov-builtin.cc, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-ch-mat.cc, ov-ch-mat.h, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-colon.cc, ov-colon.h, ov-complex.cc, ov-complex.h, ov-cs-list.cc, ov-cs-list.h, ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h, ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.cc, ov-fcn.h, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-int-traits.h, ov-int16.cc, ov-int16.h, ov-int32.cc, ov-int32.h, ov-int64.cc, ov-int64.h, ov-int8.cc, ov-int8.h, ov-intx.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc, ov-lazy-idx.h, ov-mex-fcn.cc, ov-mex-fcn.h, ov-null-mat.cc, ov-null-mat.h, ov-oncleanup.cc, ov-oncleanup.h, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h, ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov-str-mat.h, ov-struct.cc, ov-struct.h, ov-typeinfo.cc, ov-typeinfo.h, ov-uint16.cc, ov-uint16.h, ov-uint32.cc, ov-uint32.h, ov-uint64.cc, ov-uint64.h, ov-uint8.cc, ov-uint8.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, ovl.cc, ovl.h, octave.cc, octave.h, op-kw-docs, mk-ops.sh, 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-cdm-cm.cc, op-cdm-cs.cc, op-cdm-dm.cc, op-cdm-m.cc, op-cdm-s.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.cc, op-cm-m.cc, op-cm-pm.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-cdm.cc, op-dm-cm.cc, op-dm-cs.cc, op-dm-dm.cc, op-dm-m.cc, op-dm-s.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fcs.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc, op-fcdm-fs.cc, op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcm-pm.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fcdm.cc, op-fdm-fcm.cc, op-fdm-fcs.cc, op-fdm-fdm.cc, op-fdm-fm.cc, op-fdm-fs.cc, op-fm-fcdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.cc, op-fm-fm.cc, op-fm-fs.cc, op-fm-pm.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.h, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc, op-m-m.cc, op-m-pm.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-cm.cc, op-pm-fcm.cc, op-pm-fm.cc, op-pm-m.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, ops.h, options-usage.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.in.yy, octave.gperf, parse.h, profiler.cc, profiler.h, pt-all.h, pt-arg-list.cc, pt-arg-list.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-funcall.cc, pt-funcall.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jit.cc, pt-jit.h, pt-jump.cc, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Array-jit.cc, Array-tc.cc, version.cc, version.in.h, 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-util.h, Array-voidp.cc, Array.cc, Array.h, CColVector.cc, CColVector.h, CDiagMatrix.cc, CDiagMatrix.h, CMatrix.cc, CMatrix.h, CNDArray.cc, CNDArray.h, CRowVector.cc, CRowVector.h, CSparse.cc, CSparse.h, DiagArray2.cc, DiagArray2.h, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc, MArray.h, MDiagArray2.cc, MDiagArray2.h, MSparse-C.cc, MSparse-d.cc, MSparse.cc, MSparse.h, Matrix.h, MatrixType.cc, MatrixType.h, PermMatrix.cc, PermMatrix.h, Range.cc, Range.h, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, Sparse.h, boolMatrix.cc, boolMatrix.h, boolNDArray.cc, boolNDArray.h, boolSparse.cc, boolSparse.h, chMatrix.cc, chMatrix.h, chNDArray.cc, chNDArray.h, dColVector.cc, dColVector.h, dDiagMatrix.cc, dDiagMatrix.h, dMatrix.cc, dMatrix.h, dNDArray.cc, dNDArray.h, dRowVector.cc, dRowVector.h, dSparse.cc, dSparse.h, dim-vector.cc, dim-vector.h, fCColVector.cc, fCColVector.h, fCDiagMatrix.cc, fCDiagMatrix.h, fCMatrix.cc, fCMatrix.h, fCNDArray.cc, fCNDArray.h, fCRowVector.cc, fCRowVector.h, fColVector.cc, fColVector.h, fDiagMatrix.cc, fDiagMatrix.h, fMatrix.cc, fMatrix.h, fNDArray.cc, fNDArray.h, fRowVector.cc, fRowVector.h, idx-vector.cc, idx-vector.h, int16NDArray.cc, int16NDArray.h, int32NDArray.cc, int32NDArray.h, int64NDArray.cc, int64NDArray.h, int8NDArray.cc, int8NDArray.h, intNDArray.cc, intNDArray.h, uint16NDArray.cc, uint16NDArray.h, uint32NDArray.cc, uint32NDArray.h, uint64NDArray.cc, uint64NDArray.h, uint8NDArray.cc, uint8NDArray.h, cconv2.f, cdotc3.f, cmatm3.f, csconv2.f, dconv2.f, ddot3.f, dmatm3.f, sconv2.f, sdot3.f, smatm3.f, zconv2.f, zdconv2.f, zdotc3.f, zmatm3.f, crsf2csf.f, zrsf2csf.f, mk-f77-def.in.sh, liboctave-build-info.h, liboctave-build-info.in.cc, CollocWt.cc, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK-opts.in, DASPK.cc, DASPK.h, 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compare_plot_demos.m, dump_demos.m, html_compare_plot_demos.m, rundemos.m, runtests.m, speed.m, test.m, addtodate.m, asctime.m, calendar.m, clock.m, ctime.m, date.m, datenum.m, datestr.m, datevec.m, eomday.m, etime.m, is_leap_year.m, now.m, weekday.m, display-available.c, display-available.h, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.h, octave-build-info.in.cc, octave-config.in.cc, shared-fcns.h, args.tst, bug-31371.tst, bug-35448.tst, bug-35881.tst, bug-36025.tst, bug-38236.tst, bug-38565.tst, bug-38576.tst, bug-38691.tst, bug-41723.tst, bug-44940.tst, bug-46330.tst, bug-46660.tst, bug-50014.tst, bug-50035.tst, bug-50716.tst, bug-51192.tst, bug-51532.tst, bug-51534.tst, bug-51599.tst, bug-52075.tst, class-concat.tst, classdef-multiple-inheritance.tst, classdef.tst, classes.tst, colormaps.tst, command.tst, complex.tst, ctor-vs-method.tst, deprecate-props.tst, diag-perm.tst, error.tst, eval-catch.tst, fcn-handle-derived-resolution.tst, fntests.m, for.tst, func.tst, global.tst, if.tst, index.tst, io.tst, jit.tst, leftdiv.tst, line-continue.tst, logical-index.tst, mk-bc-overloads-tst.sh, mk-conv-tst.sh, mk-sparse-tst.sh, nest.tst, null-assign.tst, parser.tst, prefer.tst, publish.tst, range.tst, recursion.tst, return.tst, show-failures.awk, single-index.tst, slice.tst, struct.tst, switch.tst, system.tst, transpose.tst, try.tst, unwind.tst, while.tst: Changed punctuation of GPL license text to match that suggested by FSF.
author Rik <rik@octave.org>
date Sat, 06 Jan 2018 07:57:19 -0800
parents 7049da1648c0
children 53db3b152397
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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3 Copyright (C) 2003-2017 John W. Eaton
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4
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
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5 This file is part of Octave.
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6
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7 Octave is free software: you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <https://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include <cassert>
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28 #include <cstdint>
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29
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30 #include <limits>
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31
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32 #include "lo-error.h"
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33 #include "lo-ieee.h"
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34 #include "lo-mappers.h"
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35 #include "lo-ranlib-proto.h"
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36 #include "mach-info.h"
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37 #include "oct-locbuf.h"
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38 #include "oct-rand.h"
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39 #include "oct-time.h"
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40 #include "quit.h"
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41 #include "randgamma.h"
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42 #include "randmtzig.h"
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43 #include "randpoisson.h"
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44 #include "singleton-cleanup.h"
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45
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46 octave_rand *octave_rand::instance = nullptr;
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47
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48 octave_rand::octave_rand (void)
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49 : current_distribution (uniform_dist), use_old_generators (false),
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50 rand_states ()
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51 {
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52 initialize_ranlib_generators ();
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53
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54 initialize_mersenne_twister ();
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55 }
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56
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57 bool
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58 octave_rand::instance_ok (void)
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59 {
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60 bool retval = true;
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61
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62 if (! instance)
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63 {
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64 instance = new octave_rand ();
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65
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66 if (instance)
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67 singleton_cleanup_list::add (cleanup_instance);
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68 }
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69
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70 if (! instance)
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71 (*current_liboctave_error_handler)
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72 ("unable to create octave_rand object!");
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73
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74 return retval;
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75 }
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76
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77 double
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78 octave_rand::do_seed (void)
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79 {
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80 union d2i { double d; int32_t i[2]; };
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81 union d2i u;
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82
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83 octave::mach_info::float_format ff = octave::mach_info::native_float_format ();
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84
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85 switch (ff)
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86 {
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87 case octave::mach_info::flt_fmt_ieee_big_endian:
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88 F77_FUNC (getsd, GETSD) (u.i[1], u.i[0]);
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89 break;
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90 default:
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91 F77_FUNC (getsd, GETSD) (u.i[0], u.i[1]);
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92 break;
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93 }
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94
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95 return u.d;
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96 }
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97
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98 static int32_t
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99 force_to_fit_range (int32_t i, int32_t lo, int32_t hi)
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100 {
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101 assert (hi > lo && lo >= 0 && hi > lo);
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102
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103 i = (i > 0 ? i : -i);
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104
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105 if (i < lo)
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106 i = lo;
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107 else if (i > hi)
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108 i = i % hi;
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109
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110 return i;
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111 }
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112
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113 void
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114 octave_rand::do_seed (double s)
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115 {
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116 use_old_generators = true;
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117
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118 int i0, i1;
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diff changeset
119 union d2i { double d; int32_t i[2]; };
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120 union d2i u;
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diff changeset
121 u.d = s;
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diff changeset
122
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diff changeset
123 octave::mach_info::float_format ff = octave::mach_info::native_float_format ();
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diff changeset
124
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diff changeset
125 switch (ff)
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diff changeset
126 {
21739
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diff changeset
127 case octave::mach_info::flt_fmt_ieee_big_endian:
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diff changeset
128 i1 = force_to_fit_range (u.i[0], 1, 2147483563);
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129 i0 = force_to_fit_range (u.i[1], 1, 2147483399);
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130 break;
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diff changeset
131 default:
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132 i0 = force_to_fit_range (u.i[0], 1, 2147483563);
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diff changeset
133 i1 = force_to_fit_range (u.i[1], 1, 2147483399);
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diff changeset
134 break;
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diff changeset
135 }
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diff changeset
136
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137 F77_FUNC (setsd, SETSD) (i0, i1);
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138 }
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139
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diff changeset
140 void
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diff changeset
141 octave_rand::do_reset (void)
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diff changeset
142 {
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diff changeset
143 use_old_generators = true;
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diff changeset
144 initialize_ranlib_generators ();
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diff changeset
145 }
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diff changeset
146
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diff changeset
147 ColumnVector
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diff changeset
148 octave_rand::do_state (const std::string& d)
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diff changeset
149 {
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diff changeset
150 return rand_states[d.empty () ? current_distribution : get_dist_id (d)];
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diff changeset
151 }
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152
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diff changeset
153 void
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diff changeset
154 octave_rand::do_state (const ColumnVector& s, const std::string& d)
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diff changeset
155 {
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diff changeset
156 use_old_generators = false;
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157
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diff changeset
158 int old_dist = current_distribution;
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diff changeset
159
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diff changeset
160 int new_dist = (d.empty () ? current_distribution : get_dist_id (d));
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161
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diff changeset
162 ColumnVector saved_state;
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163
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diff changeset
164 if (old_dist != new_dist)
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diff changeset
165 saved_state = get_internal_state ();
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166
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diff changeset
167 set_internal_state (s);
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diff changeset
168
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diff changeset
169 rand_states[new_dist] = get_internal_state ();
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diff changeset
170
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diff changeset
171 if (old_dist != new_dist)
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diff changeset
172 rand_states[old_dist] = saved_state;
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diff changeset
173 }
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diff changeset
174
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diff changeset
175 void
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diff changeset
176 octave_rand::do_reset (const std::string& d)
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diff changeset
177 {
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diff changeset
178 use_old_generators = false;
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diff changeset
179
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diff changeset
180 int old_dist = current_distribution;
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diff changeset
181
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diff changeset
182 int new_dist = (d.empty () ? current_distribution : get_dist_id (d));
10709
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diff changeset
183
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diff changeset
184 ColumnVector saved_state;
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diff changeset
185
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diff changeset
186 if (old_dist != new_dist)
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diff changeset
187 saved_state = get_internal_state ();
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diff changeset
188
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diff changeset
189 oct_init_by_entropy ();
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
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diff changeset
190 rand_states[new_dist] = get_internal_state ();
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diff changeset
191
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diff changeset
192 if (old_dist != new_dist)
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diff changeset
193 rand_states[old_dist] = saved_state;
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diff changeset
194 }
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
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diff changeset
195
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diff changeset
196 std::string
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diff changeset
197 octave_rand::do_distribution (void)
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diff changeset
198 {
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diff changeset
199 std::string retval;
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diff changeset
200
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diff changeset
201 switch (current_distribution)
4308
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diff changeset
202 {
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diff changeset
203 case uniform_dist:
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diff changeset
204 retval = "uniform";
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diff changeset
205 break;
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diff changeset
206
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diff changeset
207 case normal_dist:
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diff changeset
208 retval = "normal";
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diff changeset
209 break;
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diff changeset
210
ff52243af934 save state separately for each MT random number generator
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diff changeset
211 case expon_dist:
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diff changeset
212 retval = "exponential";
ff52243af934 save state separately for each MT random number generator
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diff changeset
213 break;
ff52243af934 save state separately for each MT random number generator
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diff changeset
214
ff52243af934 save state separately for each MT random number generator
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diff changeset
215 case poisson_dist:
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diff changeset
216 retval = "poisson";
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diff changeset
217 break;
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diff changeset
218
ff52243af934 save state separately for each MT random number generator
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diff changeset
219 case gamma_dist:
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diff changeset
220 retval = "gamma";
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diff changeset
221 break;
ff52243af934 save state separately for each MT random number generator
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diff changeset
222
ff52243af934 save state separately for each MT random number generator
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diff changeset
223 default:
7536
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diff changeset
224 (*current_liboctave_error_handler)
10314
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diff changeset
225 ("rand: invalid distribution ID = %d", current_distribution);
7533
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diff changeset
226 break;
4308
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diff changeset
227 }
7533
ff52243af934 save state separately for each MT random number generator
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diff changeset
228
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diff changeset
229 return retval;
4308
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diff changeset
230 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
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diff changeset
231
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
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diff changeset
232 void
7537
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diff changeset
233 octave_rand::do_distribution (const std::string& d)
4308
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diff changeset
234 {
7536
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diff changeset
235 int id = get_dist_id (d);
4dda6fbc8ba6 oct-rand.cc: fix typo
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diff changeset
236
4dda6fbc8ba6 oct-rand.cc: fix typo
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diff changeset
237 switch (id)
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diff changeset
238 {
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diff changeset
239 case uniform_dist:
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diff changeset
240 octave_rand::uniform_distribution ();
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diff changeset
241 break;
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diff changeset
242
ff52243af934 save state separately for each MT random number generator
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diff changeset
243 case normal_dist:
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diff changeset
244 octave_rand::normal_distribution ();
ff52243af934 save state separately for each MT random number generator
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diff changeset
245 break;
ff52243af934 save state separately for each MT random number generator
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diff changeset
246
ff52243af934 save state separately for each MT random number generator
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diff changeset
247 case expon_dist:
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diff changeset
248 octave_rand::exponential_distribution ();
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diff changeset
249 break;
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diff changeset
250
ff52243af934 save state separately for each MT random number generator
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diff changeset
251 case poisson_dist:
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diff changeset
252 octave_rand::poisson_distribution ();
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diff changeset
253 break;
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diff changeset
254
ff52243af934 save state separately for each MT random number generator
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diff changeset
255 case gamma_dist:
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diff changeset
256 octave_rand::gamma_distribution ();
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diff changeset
257 break;
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diff changeset
258
ff52243af934 save state separately for each MT random number generator
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diff changeset
259 default:
7536
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diff changeset
260 (*current_liboctave_error_handler)
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diff changeset
261 ("rand: invalid distribution ID = %d", id);
7533
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diff changeset
262 break;
ff52243af934 save state separately for each MT random number generator
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diff changeset
263 }
4308
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parents:
diff changeset
264 }
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diff changeset
265
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
266 void
7537
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John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
267 octave_rand::do_uniform_distribution (void)
4308
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jwe
parents:
diff changeset
268 {
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
269 switch_to_generator (uniform_dist);
4308
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jwe
parents:
diff changeset
270
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
271 F77_FUNC (setcgn, SETCGN) (uniform_dist);
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
272 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
273
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
274 void
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
275 octave_rand::do_normal_distribution (void)
4308
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jwe
parents:
diff changeset
276 {
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
277 switch_to_generator (normal_dist);
4308
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jwe
parents:
diff changeset
278
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
279 F77_FUNC (setcgn, SETCGN) (normal_dist);
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
280 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
281
5730
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jwe
parents: 5307
diff changeset
282 void
7537
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John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
283 octave_rand::do_exponential_distribution (void)
5730
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jwe
parents: 5307
diff changeset
284 {
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
285 switch_to_generator (expon_dist);
5730
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jwe
parents: 5307
diff changeset
286
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
287 F77_FUNC (setcgn, SETCGN) (expon_dist);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
288 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
289
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
290 void
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
291 octave_rand::do_poisson_distribution (void)
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
292 {
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
293 switch_to_generator (poisson_dist);
5730
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jwe
parents: 5307
diff changeset
294
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
295 F77_FUNC (setcgn, SETCGN) (poisson_dist);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
296 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
297
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
298 void
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
299 octave_rand::do_gamma_distribution (void)
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
300 {
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
301 switch_to_generator (gamma_dist);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
302
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
303 F77_FUNC (setcgn, SETCGN) (gamma_dist);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
304 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
305
4308
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jwe
parents:
diff changeset
306 double
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
307 octave_rand::do_scalar (double a)
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
308 {
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
309 double retval = 0.0;
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
310
5730
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jwe
parents: 5307
diff changeset
311 if (use_old_generators)
4308
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jwe
parents:
diff changeset
312 {
5730
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jwe
parents: 5307
diff changeset
313 switch (current_distribution)
10314
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parents: 10158
diff changeset
314 {
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
315 case uniform_dist:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
316 F77_FUNC (dgenunf, DGENUNF) (0.0, 1.0, retval);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
317 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
318
10314
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John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
319 case normal_dist:
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
320 F77_FUNC (dgennor, DGENNOR) (0.0, 1.0, retval);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
321 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
322
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
323 case expon_dist:
07ebe522dac2 untabify liboctave C++ sources
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parents: 10158
diff changeset
324 F77_FUNC (dgenexp, DGENEXP) (1.0, retval);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
325 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
326
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
327 case poisson_dist:
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23475
diff changeset
328 if (a < 0.0 || ! octave::math::isfinite (a))
21723
bae585228161 use namespace for numeric_limits
John W. Eaton <jwe@octave.org>
parents: 21721
diff changeset
329 retval = octave::numeric_limits<double>::NaN ();
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
330 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
331 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
332 // workaround bug in ignpoi, by calling with different Mu
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
333 F77_FUNC (dignpoi, DIGNPOI) (a + 1, retval);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
334 F77_FUNC (dignpoi, DIGNPOI) (a, retval);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
335 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
336 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
337
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
338 case gamma_dist:
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23475
diff changeset
339 if (a <= 0.0 || ! octave::math::isfinite (a))
21723
bae585228161 use namespace for numeric_limits
John W. Eaton <jwe@octave.org>
parents: 21721
diff changeset
340 retval = octave::numeric_limits<double>::NaN ();
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
341 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
342 F77_FUNC (dgengam, DGENGAM) (1.0, a, retval);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
343 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
344
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
345 default:
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
346 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
347 ("rand: invalid distribution ID = %d", current_distribution);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
348 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
349 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
350 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
351 else
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
352 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
353 switch (current_distribution)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
354 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
355 case uniform_dist:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
356 retval = oct_randu ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
357 break;
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
358
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
359 case normal_dist:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
360 retval = oct_randn ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
361 break;
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
362
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
363 case expon_dist:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
364 retval = oct_rande ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
365 break;
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
366
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
367 case poisson_dist:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
368 retval = oct_randp (a);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
369 break;
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
370
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
371 case gamma_dist:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
372 retval = oct_randg (a);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
373 break;
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
374
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
375 default:
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
376 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
377 ("rand: invalid distribution ID = %d", current_distribution);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
378 break;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
379 }
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
380
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
381 save_state ();
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
382 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
383
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
384 return retval;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
385 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
386
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
387 float
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
388 octave_rand::do_float_scalar (float a)
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
389 {
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
390 float retval = 0.0;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
391
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
392 if (use_old_generators)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
393 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
394 double da = a;
15866
c1c6502fe52b oct-rand.cc: Silence compiler warning about possible uninitialized variable.
Rik <rik@octave.org>
parents: 15467
diff changeset
395 double dretval = 0.0;
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
396 switch (current_distribution)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
397 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
398 case uniform_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
399 F77_FUNC (dgenunf, DGENUNF) (0.0, 1.0, dretval);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
400 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
401
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
402 case normal_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
403 F77_FUNC (dgennor, DGENNOR) (0.0, 1.0, dretval);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
404 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
405
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
406 case expon_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
407 F77_FUNC (dgenexp, DGENEXP) (1.0, dretval);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
408 break;
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
409
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
410 case poisson_dist:
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23475
diff changeset
411 if (da < 0.0 || ! octave::math::isfinite (a))
21723
bae585228161 use namespace for numeric_limits
John W. Eaton <jwe@octave.org>
parents: 21721
diff changeset
412 dretval = octave::numeric_limits<double>::NaN ();
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
413 else
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
414 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
415 // workaround bug in ignpoi, by calling with different Mu
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
416 F77_FUNC (dignpoi, DIGNPOI) (da + 1, dretval);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
417 F77_FUNC (dignpoi, DIGNPOI) (da, dretval);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
418 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
419 break;
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
420
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
421 case gamma_dist:
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23475
diff changeset
422 if (da <= 0.0 || ! octave::math::isfinite (a))
21723
bae585228161 use namespace for numeric_limits
John W. Eaton <jwe@octave.org>
parents: 21721
diff changeset
423 dretval = octave::numeric_limits<double>::NaN ();
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
424 else
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
425 F77_FUNC (dgengam, DGENGAM) (1.0, da, dretval);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
426 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
427
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
428 default:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
429 (*current_liboctave_error_handler)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
430 ("rand: invalid distribution ID = %d", current_distribution);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
431 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
432 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
433 retval = dretval;
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
434 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
435 else
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
436 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
437 switch (current_distribution)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
438 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
439 case uniform_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
440 retval = oct_float_randu ();
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
441 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
442
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
443 case normal_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
444 retval = oct_float_randn ();
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
445 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
446
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
447 case expon_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
448 retval = oct_float_rande ();
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
449 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
450
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
451 case poisson_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
452 // Keep poisson distribution in double precision for accuracy
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
453 retval = oct_randp (a);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
454 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
455
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
456 case gamma_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
457 retval = oct_float_randg (a);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
458 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
459
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
460 default:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
461 (*current_liboctave_error_handler)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
462 ("rand: invalid distribution ID = %d", current_distribution);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
463 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
464 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
465
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
466 save_state ();
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
467 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
468
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
469 return retval;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
470 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
471
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
472 Array<double>
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
473 octave_rand::do_vector (octave_idx_type n, double a)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
474 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
475 Array<double> retval;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
476
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
477 if (n > 0)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
478 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
479 retval.clear (n, 1);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
480
20229
5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
481 fill (retval.numel (), retval.fortran_vec (), a);
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
482 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
483 else if (n < 0)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
484 (*current_liboctave_error_handler) ("rand: invalid negative argument");
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
485
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
486 return retval;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
487 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
488
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
489 Array<float>
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
490 octave_rand::do_float_vector (octave_idx_type n, float a)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
491 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
492 Array<float> retval;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
493
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
494 if (n > 0)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
495 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
496 retval.clear (n, 1);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
497
20229
5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
498 fill (retval.numel (), retval.fortran_vec (), a);
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
499 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
500 else if (n < 0)
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
501 (*current_liboctave_error_handler) ("rand: invalid negative argument");
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
502
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
503 return retval;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
504 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
505
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
506 NDArray
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
507 octave_rand::do_nd_array (const dim_vector& dims, double a)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
508 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
509 NDArray retval;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
510
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
511 if (! dims.all_zero ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
512 {
9647
54f45f883a53 optimize & extend randperm
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
513 retval.clear (dims);
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
514
20229
5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
515 fill (retval.numel (), retval.fortran_vec (), a);
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
516 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
517
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
518 return retval;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
519 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
520
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
521 FloatNDArray
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
522 octave_rand::do_float_nd_array (const dim_vector& dims, float a)
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
523 {
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
524 FloatNDArray retval;
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
525
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
526 if (! dims.all_zero ())
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
527 {
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
528 retval.clear (dims);
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
529
20229
5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
530 fill (retval.numel (), retval.fortran_vec (), a);
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
531 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
532
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
533 return retval;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
534 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
535
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
536 // Make the random number generator give us a different sequence every
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
537 // time we start octave unless we specifically set the seed. The
22173
8de49f15e182 doc: Fix "doubled words" typos (\b(\w+)\s+\1\b)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 22133
diff changeset
538 // technique used below will cycle monthly, but it does seem to
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
539 // work ok to give fairly different seeds each time Octave starts.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
540
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
541 void
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
542 octave_rand::initialize_ranlib_generators (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
543 {
21730
30c53770f47e use namespace for system time classes
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
544 octave::sys::localtime tm;
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
545 int stored_distribution = current_distribution;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
546 F77_FUNC (setcgn, SETCGN) (uniform_dist);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
547
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14655
diff changeset
548 int hour = tm.hour () + 1;
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14655
diff changeset
549 int minute = tm.min () + 1;
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14655
diff changeset
550 int second = tm.sec () + 1;
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
551
14846
460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 14655
diff changeset
552 int32_t s0 = tm.mday () * hour * minute * second;
10331
6a50aa2cdf00 never compile ranlib with 8-byte integers
John W. Eaton <jwe@octave.org>
parents: 10314
diff changeset
553 int32_t s1 = hour * minute * second;
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
554
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
555 s0 = force_to_fit_range (s0, 1, 2147483563);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
556 s1 = force_to_fit_range (s1, 1, 2147483399);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
557
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
558 F77_FUNC (setall, SETALL) (s0, s1);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
559 F77_FUNC (setcgn, SETCGN) (stored_distribution);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
560 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
561
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
562 void
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
563 octave_rand::initialize_mersenne_twister (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
564 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
565 oct_init_by_entropy ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
566
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
567 ColumnVector s = get_internal_state ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
568
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
569 rand_states[uniform_dist] = s;
8124
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
570
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
571 oct_init_by_entropy ();
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
572 s = get_internal_state ();
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
573 rand_states[normal_dist] = s;
8124
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
574
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
575 oct_init_by_entropy ();
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
576 s = get_internal_state ();
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
577 rand_states[expon_dist] = s;
8124
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
578
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
579 oct_init_by_entropy ();
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
580 s = get_internal_state ();
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
581 rand_states[poisson_dist] = s;
8124
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
582
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
583 oct_init_by_entropy ();
d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator
Brian Gough
parents: 7537
diff changeset
584 s = get_internal_state ();
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
585 rand_states[gamma_dist] = s;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
586 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
587
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
588 ColumnVector
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
589 octave_rand::get_internal_state (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
590 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
591 ColumnVector s (MT_N + 1);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
592
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
593 OCTAVE_LOCAL_BUFFER (uint32_t, tmp, MT_N + 1);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
594
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
595 oct_get_state (tmp);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
596
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
597 for (octave_idx_type i = 0; i <= MT_N; i++)
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14846
diff changeset
598 s.elem (i) = static_cast<double> (tmp[i]);
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
599
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
600 return s;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
601 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
602
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
603 void
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
604 octave_rand::save_state (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
605 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
606 rand_states[current_distribution] = get_internal_state ();;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
607 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
608
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
609 int
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
610 octave_rand::get_dist_id (const std::string& d)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
611 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
612 int retval = unknown_dist;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
613
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
614 if (d == "uniform" || d == "rand")
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
615 retval = uniform_dist;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
616 else if (d == "normal" || d == "randn")
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
617 retval = normal_dist;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
618 else if (d == "exponential" || d == "rande")
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
619 retval = expon_dist;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
620 else if (d == "poisson" || d == "randp")
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
621 retval = poisson_dist;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
622 else if (d == "gamma" || d == "randg")
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
623 retval = gamma_dist;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
624 else
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
625 (*current_liboctave_error_handler)
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
626 ("rand: invalid distribution '%s'", d.c_str ());
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
627
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
628 return retval;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
629 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
630
17258
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
631 // Guarantee reproducible conversion of negative initialization values to
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
632 // random number algorithm. Note that Matlab employs slightly different rules.
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
633 // 1) Seed saturates at 2^32-1 for any value larger than that.
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
634 // 2) NaN, Inf are translated to 2^32-1.
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
635 // 3) -Inf is translated to 0.
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
636 static uint32_t
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
637 double2uint32 (double d)
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
638 {
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
639 uint32_t u;
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
640 static const double TWOUP32 = std::numeric_limits<uint32_t>::max() + 1.0;
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
641
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23475
diff changeset
642 if (! octave::math::isfinite (d))
17258
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
643 u = 0;
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
644 else
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
645 {
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
646 d = fmod (d, TWOUP32);
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
647 if (d < 0)
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
648 d += TWOUP32;
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
649 u = static_cast<uint32_t> (d);
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
650 }
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
651
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
652 return u;
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
653 }
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
654
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
655 void
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
656 octave_rand::set_internal_state (const ColumnVector& s)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
657 {
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20229
diff changeset
658 octave_idx_type len = s.numel ();
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
659 octave_idx_type n = (len < MT_N + 1 ? len : MT_N + 1);
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
660
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
661 OCTAVE_LOCAL_BUFFER (uint32_t, tmp, MT_N + 1);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
662
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
663 for (octave_idx_type i = 0; i < n; i++)
17258
213ee68b59da Handle out-of-range values consistently when initializing random number generator.
Philipp Kutin <philipp.kutin@gmail.com>
parents: 16971
diff changeset
664 tmp[i] = double2uint32 (s.elem (i));
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
665
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
666 if (len == MT_N + 1 && tmp[MT_N] <= MT_N && tmp[MT_N] > 0)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
667 oct_set_state (tmp);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
668 else
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
669 oct_init_by_array (tmp, len);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
670 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
671
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
672 void
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
673 octave_rand::switch_to_generator (int dist)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
674 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
675 if (dist != current_distribution)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
676 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
677 current_distribution = dist;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
678
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
679 set_internal_state (rand_states[dist]);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
680 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
681 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
682
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
683 #define MAKE_RAND(len) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
684 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
685 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
686 double val; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
687 for (volatile octave_idx_type i = 0; i < len; i++) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
688 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
689 octave_quit (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
690 RAND_FUNC (val); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
691 v[i] = val; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
692 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22173
diff changeset
693 } \
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
694 while (0)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
695
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
696 void
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7536
diff changeset
697 octave_rand::fill (octave_idx_type len, double *v, double a)
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
698 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
699 if (len < 1)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
700 return;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
701
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
702 switch (current_distribution)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
703 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
704 case uniform_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
705 if (use_old_generators)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
706 {
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
707 #define RAND_FUNC(x) F77_FUNC (dgenunf, DGENUNF) (0.0, 1.0, x)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
708 MAKE_RAND (len);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
709 #undef RAND_FUNC
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
710 }
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
711 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
712 oct_fill_randu (len, v);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
713 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
714
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
715 case normal_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
716 if (use_old_generators)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
717 {
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
718 #define RAND_FUNC(x) F77_FUNC (dgennor, DGENNOR) (0.0, 1.0, x)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
719 MAKE_RAND (len);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
720 #undef RAND_FUNC
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
721 }
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
722 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
723 oct_fill_randn (len, v);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
724 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
725
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
726 case expon_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
727 if (use_old_generators)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
728 {
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
729 #define RAND_FUNC(x) F77_FUNC (dgenexp, DGENEXP) (1.0, x)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
730 MAKE_RAND (len);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
731 #undef RAND_FUNC
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
732 }
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
733 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
734 oct_fill_rande (len, v);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
735 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
736
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
737 case poisson_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
738 if (use_old_generators)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
739 {
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23475
diff changeset
740 if (a < 0.0 || ! octave::math::isfinite (a))
21723
bae585228161 use namespace for numeric_limits
John W. Eaton <jwe@octave.org>
parents: 21721
diff changeset
741 #define RAND_FUNC(x) x = octave::numeric_limits<double>::NaN ();
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
742 MAKE_RAND (len);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
743 #undef RAND_FUNC
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
744 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
745 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
746 // workaround bug in ignpoi, by calling with different Mu
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
747 double tmp;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
748 F77_FUNC (dignpoi, DIGNPOI) (a + 1, tmp);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
749 #define RAND_FUNC(x) F77_FUNC (dignpoi, DIGNPOI) (a, x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
750 MAKE_RAND (len);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
751 #undef RAND_FUNC
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
752 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
753 }
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
754 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
755 oct_fill_randp (a, len, v);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
756 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
757
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
758 case gamma_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
759 if (use_old_generators)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
760 {
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23475
diff changeset
761 if (a <= 0.0 || ! octave::math::isfinite (a))
21723
bae585228161 use namespace for numeric_limits
John W. Eaton <jwe@octave.org>
parents: 21721
diff changeset
762 #define RAND_FUNC(x) x = octave::numeric_limits<double>::NaN ();
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
763 MAKE_RAND (len);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
764 #undef RAND_FUNC
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
765 else
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
766 #define RAND_FUNC(x) F77_FUNC (dgengam, DGENGAM) (1.0, a, x)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
767 MAKE_RAND (len);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
768 #undef RAND_FUNC
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
769 }
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
770 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
771 oct_fill_randg (a, len, v);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
772 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
773
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
774 default:
7536
4dda6fbc8ba6 oct-rand.cc: fix typo
John W. Eaton <jwe@octave.org>
parents: 7535
diff changeset
775 (*current_liboctave_error_handler)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
776 ("rand: invalid distribution ID = %d", current_distribution);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
777 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
778 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
779
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
780 save_state ();
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
781
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
782 return;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
783 }
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
784
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
785 void
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
786 octave_rand::fill (octave_idx_type len, float *v, float a)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
787 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
788 if (len < 1)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
789 return;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
790
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
791 switch (current_distribution)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
792 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
793 case uniform_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
794 if (use_old_generators)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
795 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
796 #define RAND_FUNC(x) F77_FUNC (dgenunf, DGENUNF) (0.0, 1.0, x)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
797 MAKE_RAND (len);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
798 #undef RAND_FUNC
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
799 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
800 else
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
801 oct_fill_float_randu (len, v);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
802 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
803
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
804 case normal_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
805 if (use_old_generators)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
806 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
807 #define RAND_FUNC(x) F77_FUNC (dgennor, DGENNOR) (0.0, 1.0, x)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
808 MAKE_RAND (len);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
809 #undef RAND_FUNC
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
810 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
811 else
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
812 oct_fill_float_randn (len, v);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
813 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
814
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
815 case expon_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
816 if (use_old_generators)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
817 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
818 #define RAND_FUNC(x) F77_FUNC (dgenexp, DGENEXP) (1.0, x)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
819 MAKE_RAND (len);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
820 #undef RAND_FUNC
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
821 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
822 else
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
823 oct_fill_float_rande (len, v);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
824 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
825
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
826 case poisson_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
827 if (use_old_generators)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
828 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
829 double da = a;
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23475
diff changeset
830 if (da < 0.0 || ! octave::math::isfinite (a))
21723
bae585228161 use namespace for numeric_limits
John W. Eaton <jwe@octave.org>
parents: 21721
diff changeset
831 #define RAND_FUNC(x) x = octave::numeric_limits<double>::NaN ();
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
832 MAKE_RAND (len);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
833 #undef RAND_FUNC
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
834 else
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
835 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
836 // workaround bug in ignpoi, by calling with different Mu
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
837 double tmp;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
838 F77_FUNC (dignpoi, DIGNPOI) (da + 1, tmp);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
839 #define RAND_FUNC(x) F77_FUNC (dignpoi, DIGNPOI) (da, x)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
840 MAKE_RAND (len);
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
841 #undef RAND_FUNC
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
842 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
843 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
844 else
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
845 oct_fill_float_randp (a, len, v);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
846 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
847
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
848 case gamma_dist:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
849 if (use_old_generators)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
850 {
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
851 double da = a;
23564
7049da1648c0 Deprecate octave::math::finite in favor of octave::math::isfinite.
Rik <rik@octave.org>
parents: 23475
diff changeset
852 if (da <= 0.0 || ! octave::math::isfinite (a))
21723
bae585228161 use namespace for numeric_limits
John W. Eaton <jwe@octave.org>
parents: 21721
diff changeset
853 #define RAND_FUNC(x) x = octave::numeric_limits<double>::NaN ();
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
854 MAKE_RAND (len);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
855 #undef RAND_FUNC
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
856 else
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
857 #define RAND_FUNC(x) F77_FUNC (dgengam, DGENGAM) (1.0, da, x)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
858 MAKE_RAND (len);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
859 #undef RAND_FUNC
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
860 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
861 else
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
862 oct_fill_float_randg (a, len, v);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
863 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
864
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
865 default:
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
866 (*current_liboctave_error_handler)
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
867 ("rand: invalid distribution ID = %d", current_distribution);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
868 break;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
869 }
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
870
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
871 save_state ();
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
872
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
873 return;
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
874 }