octave: liboctave/numeric/oct-rand.cc annotate

annotate liboctave/numeric/oct-rand.cc @ 31605:e88a07dec498 stable

maint: Use macros to begin/end C++ namespaces. * oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE, OCTAVE_END_NAMESPACE) that can be used to start/end a namespace. * mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc, auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc, display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.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, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h, mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc, pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, octave.cc, octave.h, 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-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-mi.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, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.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-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, 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-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.

author	Rik <rik@octave.org>
date	Thu, 01 Dec 2022 14:23:45 -0800
parents	796f54d4ddbf
children	aac27ad79be6

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30059 diff changeset	3 // Copyright (C) 2003-2022 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21723 diff changeset	26 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21202 diff changeset	27 # include "config.h"
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	28 #endif
7533 ff52243af934 save state separately for each MT random number generator John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	29
23475 d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23457 diff changeset	30 #include <cassert>
21912 d92dcbcd7691 prefer C++ wrappers for C standard headers in C++ code John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	31 #include <cstdint>
d92dcbcd7691 prefer C++ wrappers for C standard headers in C++ code John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	32
23475 d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23457 diff changeset	33 #include <limits>
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	34
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	35 #include "lo-error.h"
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	36 #include "lo-ieee.h"
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	37 #include "lo-mappers.h"
22322 93b3cdd36854 move most f77 function decls to separate header files John W. Eaton <jwe@octave.org> parents: 22197 diff changeset	38 #include "lo-ranlib-proto.h"
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	39 #include "mach-info.h"
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	40 #include "oct-locbuf.h"
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	41 #include "oct-rand.h"
4415 ed8c4aaa8648 [project @ 2003-05-16 21:20:33 by jwe] jwe parents: 4308 diff changeset	42 #include "oct-time.h"
23475 d691ed308237 maint: Clean up #includes in liboctave/numeric directory. Rik <rik@octave.org> parents: 23457 diff changeset	43 #include "quit.h"
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	44 #include "randgamma.h"
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	45 #include "randmtzig.h"
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	46 #include "randpoisson.h"
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	47 #include "singleton-cleanup.h"
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	48
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	49 OCTAVE_BEGIN_NAMESPACE(octave)
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	50
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	51 rand *rand::m_instance = nullptr;
6435 71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman] dbateman parents: 6326 diff changeset	52
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	53 rand::rand (void)
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	54 : m_current_distribution (uniform_dist), m_use_old_generators (false),
cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	55 m_rand_states ()
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	56 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	57 initialize_ranlib_generators ();
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	58
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	59 initialize_mersenne_twister ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	60 }
24866 441b27c0fd5e use C++11 features to eliminate some macros in oct-rand.cc John W. Eaton <jwe@octave.org> parents: 24856 diff changeset	61
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	62 bool rand::instance_ok (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	63 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	64 bool retval = true;
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	65
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	66 if (! m_instance)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	67 {
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	68 m_instance = new rand ();
26369 0249ba4c9589 Fix static analyzer detected V668 issues (bug #55347). Andreas Weber <octave@josoansi.de> parents: 25433 diff changeset	69 singleton_cleanup_list::add (cleanup_instance);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	70 }
7533 ff52243af934 save state separately for each MT random number generator John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	71
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	72 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	73 }
7533 ff52243af934 save state separately for each MT random number generator John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	74
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	75 double rand::do_seed (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	76 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	77 union d2i { double d; int32_t i[2]; };
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	78 union d2i u;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	79
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	80 mach_info::float_format ff = mach_info::native_float_format ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	81
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	82 switch (ff)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	83 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	84 case mach_info::flt_fmt_ieee_big_endian:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	85 F77_FUNC (getsd, GETSD) (u.i[1], u.i[0]);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	86 break;
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	87
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	88 default:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	89 F77_FUNC (getsd, GETSD) (u.i[0], u.i[1]);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	90 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	91 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	92
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	93 return u.d;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	94 }
7536 4dda6fbc8ba6 oct-rand.cc: fix typo John W. Eaton <jwe@octave.org> parents: 7535 diff changeset	95
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	96 static int32_t
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	97 force_to_fit_range (int32_t i, int32_t lo, int32_t hi)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	98 {
26436 0dcb3e515370 oct-rand.cc: Fix static analyzer detected issues (bug #55347). Rik <rik@octave.org> parents: 26376 diff changeset	99 assert (hi > lo && lo >= 0);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	100
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	101 i = (i > 0 ? i : -i);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	102
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	103 if (i < lo)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	104 i = lo;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	105 else if (i > hi)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	106 i = i % hi;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	107
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	108 return i;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	109 }
7533 ff52243af934 save state separately for each MT random number generator John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	110
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	111 void rand::do_seed (double s)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	112 {
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	113 m_use_old_generators = true;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	114
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	115 int i0, i1;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	116 union d2i { double d; int32_t i[2]; };
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	117 union d2i u;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	118 u.d = s;
7533 ff52243af934 save state separately for each MT random number generator John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	119
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	120 mach_info::float_format ff = mach_info::native_float_format ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	121
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	122 switch (ff)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	123 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	124 case mach_info::flt_fmt_ieee_big_endian:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	125 i1 = force_to_fit_range (u.i[0], 1, 2147483563);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	126 i0 = force_to_fit_range (u.i[1], 1, 2147483399);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	127 break;
7533 ff52243af934 save state separately for each MT random number generator John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	128
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	129 default:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	130 i0 = force_to_fit_range (u.i[0], 1, 2147483563);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	131 i1 = force_to_fit_range (u.i[1], 1, 2147483399);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	132 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	133 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	134
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	135 F77_FUNC (setsd, SETSD) (i0, i1);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	136 }
7533 ff52243af934 save state separately for each MT random number generator John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	137
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	138 void rand::do_reset (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	139 {
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	140 m_use_old_generators = true;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	141 initialize_ranlib_generators ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	142 }
7533 ff52243af934 save state separately for each MT random number generator John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	143
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	144 uint32NDArray rand::do_state (const std::string& d)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	145 {
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	146 return m_rand_states[d.empty () ? m_current_distribution : get_dist_id (d)];
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	147 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	148
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	149 void rand::do_state (const uint32NDArray& s, const std::string& d)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	150 {
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	151 m_use_old_generators = false;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	152
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	153 int old_dist = m_current_distribution;
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	154
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	155 int new_dist = (d.empty () ? m_current_distribution : get_dist_id (d));
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	156
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	157 uint32NDArray saved_state;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	158
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	159 if (old_dist != new_dist)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	160 saved_state = get_internal_state ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	161
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	162 set_internal_state (s);
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	163
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	164 m_rand_states[new_dist] = get_internal_state ();
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	165
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	166 if (old_dist != new_dist)
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	167 m_rand_states[old_dist] = saved_state;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	168 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	169
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	170 void rand::do_reset (const std::string& d)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	171 {
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	172 m_use_old_generators = false;
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	173
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	174 int old_dist = m_current_distribution;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	175
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	176 int new_dist = (d.empty () ? m_current_distribution : get_dist_id (d));
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	177
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	178 uint32NDArray saved_state;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	179
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	180 if (old_dist != new_dist)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	181 saved_state = get_internal_state ();
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	182
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	183 init_mersenne_twister ();
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	184 m_rand_states[new_dist] = get_internal_state ();
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	185
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	186 if (old_dist != new_dist)
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	187 m_rand_states[old_dist] = saved_state;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	188 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	189
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	190 std::string rand::do_distribution (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	191 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	192 std::string retval;
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	193
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	194 switch (m_current_distribution)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	195 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	196 case uniform_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	197 retval = "uniform";
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	198 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	199
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	200 case normal_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	201 retval = "normal";
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	202 break;
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	203
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	204 case expon_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	205 retval = "exponential";
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	206 break;
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	207
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	208 case poisson_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	209 retval = "poisson";
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	210 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	211
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	212 case gamma_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	213 retval = "gamma";
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	214 break;
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	215
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	216 default:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	217 (*current_liboctave_error_handler)
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	218 ("rand: invalid distribution ID = %d", m_current_distribution);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	219 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	220 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	221
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	222 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	223 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	224
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	225 void rand::do_distribution (const std::string& d)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	226 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	227 int id = get_dist_id (d);
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	228
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	229 switch (id)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	230 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	231 case uniform_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	232 rand::uniform_distribution ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	233 break;
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	234
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	235 case normal_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	236 rand::normal_distribution ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	237 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	238
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	239 case expon_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	240 rand::exponential_distribution ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	241 break;
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	242
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	243 case poisson_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	244 rand::poisson_distribution ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	245 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	246
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	247 case gamma_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	248 rand::gamma_distribution ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	249 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	250
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	251 default:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	252 (*current_liboctave_error_handler)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	253 ("rand: invalid distribution ID = %d", id);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	254 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	255 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	256 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	257
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	258 void rand::do_uniform_distribution (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	259 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	260 switch_to_generator (uniform_dist);
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	261
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	262 F77_FUNC (setcgn, SETCGN) (uniform_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	263 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	264
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	265 void rand::do_normal_distribution (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	266 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	267 switch_to_generator (normal_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	268
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	269 F77_FUNC (setcgn, SETCGN) (normal_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	270 }
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	271
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	272 void rand::do_exponential_distribution (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	273 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	274 switch_to_generator (expon_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	275
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	276 F77_FUNC (setcgn, SETCGN) (expon_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	277 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	278
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	279 void rand::do_poisson_distribution (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	280 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	281 switch_to_generator (poisson_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	282
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	283 F77_FUNC (setcgn, SETCGN) (poisson_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	284 }
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	285
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	286 void rand::do_gamma_distribution (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	287 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	288 switch_to_generator (gamma_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	289
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	290 F77_FUNC (setcgn, SETCGN) (gamma_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	291 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	292
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	293 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	294 OCTAVE_API double rand::uniform<double> (void)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	295 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	296 double retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	297
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	298 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	299 F77_FUNC (dgenunf, DGENUNF) (0.0, 1.0, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	300 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	301 retval = rand_uniform<double> ();
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	302
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	303 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	304 }
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	305
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	306 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	307 OCTAVE_API double rand::normal<double> (void)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	308 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	309 double retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	310
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	311 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	312 F77_FUNC (dgennor, DGENNOR) (0.0, 1.0, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	313 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	314 retval = rand_normal<double> ();
4308 b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe] jwe parents: diff changeset	315
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	316 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	317 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	318
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	319 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	320 OCTAVE_API double rand::exponential<double> (void)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	321 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	322 double retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	323
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	324 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	325 F77_FUNC (dgenexp, DGENEXP) (1.0, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	326 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	327 retval = rand_exponential<double> ();
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4415 diff changeset	328
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	329 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	330 }
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	331
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	332 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	333 OCTAVE_API double rand::poisson<double> (double a)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	334 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	335 double retval;
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	336
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	337 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	338 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	339 if (a < 0.0 \|\| ! math::isfinite (a))
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	340 retval = numeric_limits<double>::NaN ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	341 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	342 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	343 // workaround bug in ignpoi, by calling with different Mu
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	344 F77_FUNC (dignpoi, DIGNPOI) (a + 1, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	345 F77_FUNC (dignpoi, DIGNPOI) (a, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	346 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	347 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	348 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	349 retval = rand_poisson<double> (a);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	350
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	351 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	352 }
5730 109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe] jwe parents: 5307 diff changeset	353
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	354 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	355 OCTAVE_API double rand::gamma<double> (double a)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	356 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	357 double retval;
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4415 diff changeset	358
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	359 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	360 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	361 if (a <= 0.0 \|\| ! math::isfinite (a))
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	362 retval = numeric_limits<double>::NaN ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	363 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	364 F77_FUNC (dgengam, DGENGAM) (1.0, a, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	365 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	366 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	367 retval = rand_gamma<double> (a);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	368
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	369 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	370 }
7533 ff52243af934 save state separately for each MT random number generator John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	371
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	372 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	373 OCTAVE_API float rand::uniform<float> (void)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	374 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	375 float retval;
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4415 diff changeset	376
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	377 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	378 F77_FUNC (fgenunf, FGENUNF) (0.0f, 1.0f, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	379 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	380 retval = rand_uniform<float> ();
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4415 diff changeset	381
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	382 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	383 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	384
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	385 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	386 OCTAVE_API float rand::normal<float> (void)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	387 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	388 float retval;
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	389
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	390 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	391 F77_FUNC (fgennor, FGENNOR) (0.0f, 1.0f, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	392 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	393 retval = rand_normal<float> ();
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	394
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	395 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	396 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	397
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	398 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	399 OCTAVE_API float rand::exponential<float> (void)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	400 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	401 float retval;
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	402
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	403 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	404 F77_FUNC (fgenexp, FGENEXP) (1.0f, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	405 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	406 retval = rand_exponential<float> ();
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	407
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	408 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	409 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	410
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	411 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	412 OCTAVE_API float rand::poisson<float> (float a)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	413 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	414 float retval;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	415
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	416 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	417 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	418 if (a < 0.0f \|\| ! math::isfinite (a))
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	419 retval = numeric_limits<float>::NaN ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	420 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	421 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	422 // workaround bug in ignpoi, by calling with different Mu
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	423 F77_FUNC (fignpoi, FIGNPOI) (a + 1, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	424 F77_FUNC (fignpoi, FIGNPOI) (a, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	425 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	426 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	427 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	428 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	429 // Keep poisson distribution in double precision for accuracy
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	430 retval = rand_poisson<double> (a);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	431 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	432
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	433 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	434 }
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	435
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	436 template <>
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	437 OCTAVE_API float rand::gamma<float> (float a)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	438 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	439 float retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	440
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	441 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	442 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	443 if (a <= 0.0f \|\| ! math::isfinite (a))
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	444 retval = numeric_limits<float>::NaN ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	445 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	446 F77_FUNC (fgengam, FGENGAM) (1.0f, a, retval);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	447 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	448 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	449 retval = rand_gamma<float> (a);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	450
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	451 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	452 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	453
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	454 template <typename T>
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	455 T rand::do_scalar (T a)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	456 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	457 T retval = 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	458
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	459 switch (m_current_distribution)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	460 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	461 case uniform_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	462 retval = uniform<T> ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	463 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	464
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	465 case normal_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	466 retval = normal<T> ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	467 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	468
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	469 case expon_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	470 retval = exponential<T> ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	471 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	472
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	473 case poisson_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	474 retval = poisson<T> (a);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	475 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	476
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	477 case gamma_dist:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	478 retval = gamma<T> (a);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	479 break;
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	480
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	481 default:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	482 (*current_liboctave_error_handler)
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	483 ("rand: invalid distribution ID = %d", m_current_distribution);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	484 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	485 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	486
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	487 if (! m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	488 save_state ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	489
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	490 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	491 }
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	492
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	493 template OCTAVE_API double rand::do_scalar<double> (double);
5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	494 template OCTAVE_API float rand::do_scalar<float> (float);
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	495
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	496 template <typename T>
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	497 Array<T>
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	498 rand::do_vector (octave_idx_type n, T a)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	499 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	500 Array<T> retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	501
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	502 if (n > 0)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	503 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	504 retval.clear (n, 1);
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	505
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	506 fill (retval.numel (), retval.fortran_vec (), a);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	507 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	508 else if (n < 0)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	509 (*current_liboctave_error_handler) ("rand: invalid negative argument");
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	510
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	511 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	512 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	513
29228 5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	514 template OCTAVE_API Array<double>
5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	515 rand::do_vector<double> (octave_idx_type, double);
5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	516 template OCTAVE_API Array<float>
5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919). Markus Mützel <markus.muetzel@gmx.de> parents: 27923 diff changeset	517 rand::do_vector<float> (octave_idx_type, float);
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	518
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	519 NDArray rand::do_nd_array (const dim_vector& dims, double a)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	520 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	521 NDArray retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	522
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	523 if (! dims.all_zero ())
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	524 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	525 retval.clear (dims);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	526
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	527 fill (retval.numel (), retval.fortran_vec (), a);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	528 }
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	529
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	530 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	531 }
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	532
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	533 FloatNDArray rand::do_float_nd_array (const dim_vector& dims, float a)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	534 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	535 FloatNDArray retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	536
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	537 if (! dims.all_zero ())
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	538 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	539 retval.clear (dims);
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	540
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	541 fill (retval.numel (), retval.fortran_vec (), a);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	542 }
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	543
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	544 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	545 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	546
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	547 // Make the random number generator give us a different sequence every
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	548 // time we start octave unless we specifically set the seed. The
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	549 // technique used below will cycle monthly, but it does seem to
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	550 // work ok to give fairly different seeds each time Octave starts.
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	551
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	552 void rand::initialize_ranlib_generators (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	553 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	554 sys::localtime tm;
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	555 int stored_distribution = m_current_distribution;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	556 F77_FUNC (setcgn, SETCGN) (uniform_dist);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	557
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	558 int hour = tm.hour () + 1;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	559 int minute = tm.min () + 1;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	560 int second = tm.sec () + 1;
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	561
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	562 int32_t s0 = tm.mday () * hour * minute * second;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	563 int32_t s1 = hour * minute * second;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	564
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	565 s0 = force_to_fit_range (s0, 1, 2147483563);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	566 s1 = force_to_fit_range (s1, 1, 2147483399);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	567
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	568 F77_FUNC (setall, SETALL) (s0, s1);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	569 F77_FUNC (setcgn, SETCGN) (stored_distribution);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	570 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	571
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	572 void rand::initialize_mersenne_twister (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	573 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	574 uint32NDArray s;
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	575
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	576 init_mersenne_twister ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	577 s = get_internal_state ();
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	578 m_rand_states[uniform_dist] = s;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	579
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	580 init_mersenne_twister ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	581 s = get_internal_state ();
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	582 m_rand_states[normal_dist] = s;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	583
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	584 init_mersenne_twister ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	585 s = get_internal_state ();
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	586 m_rand_states[expon_dist] = s;
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	587
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	588 init_mersenne_twister ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	589 s = get_internal_state ();
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	590 m_rand_states[poisson_dist] = s;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	591
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	592 init_mersenne_twister ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	593 s = get_internal_state ();
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	594 m_rand_states[gamma_dist] = s;
14655 43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293) David Bateman <dbateman@free.fr> parents: 14138 diff changeset	595
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	596 // All of the initializations above have messed with the internal state.
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	597 // Restore the state of the currently selected distribution.
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	598 set_internal_state (m_rand_states[m_current_distribution]);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	599 }
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	600
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	601 uint32NDArray rand::get_internal_state (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	602 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	603 uint32NDArray s (dim_vector (MT_N + 1, 1));
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	604
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	605 get_mersenne_twister_state (reinterpret_cast<uint32_t *> (s.fortran_vec ()));
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	606
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	607 return s;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	608 }
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	609
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	610 void rand::save_state (void)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	611 {
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	612 m_rand_states[m_current_distribution] = get_internal_state ();;
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	613 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	614
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	615 int rand::get_dist_id (const std::string& d)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	616 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	617 int retval = unknown_dist;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	618
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	619 if (d == "uniform" \|\| d == "rand")
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	620 retval = uniform_dist;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	621 else if (d == "normal" \|\| d == "randn")
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	622 retval = normal_dist;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	623 else if (d == "exponential" \|\| d == "rande")
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	624 retval = expon_dist;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	625 else if (d == "poisson" \|\| d == "randp")
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	626 retval = poisson_dist;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	627 else if (d == "gamma" \|\| d == "randg")
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	628 retval = gamma_dist;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	629 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	630 (*current_liboctave_error_handler)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	631 ("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	632
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	633 return retval;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	634 }
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	635
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	636 void rand::set_internal_state (const uint32NDArray& s)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	637 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	638 octave_idx_type len = s.numel ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	639
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	640 const uint32_t sdata = reinterpret_cast <const uint32_t > (s.data ());
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	641
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	642 if (len == MT_N + 1 && sdata[MT_N] <= MT_N && sdata[MT_N] > 0)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	643 set_mersenne_twister_state (sdata);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	644 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	645 init_mersenne_twister (sdata, len);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	646 }
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	647
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	648 void rand::switch_to_generator (int dist)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	649 {
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	650 if (dist != m_current_distribution)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	651 {
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	652 m_current_distribution = dist;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	653
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	654 set_internal_state (m_rand_states[dist]);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	655 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	656 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	657
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	658 void rand::fill (octave_idx_type len, double *v, double a)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	659 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	660 if (len < 1)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	661 return;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	662
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	663 switch (m_current_distribution)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	664 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	665 case uniform_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	666 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	667 std::generate_n (v, len, [](void) { double x; F77_FUNC (dgenunf, DGENUNF) (0.0, 1.0, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	668 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	669 rand_uniform<double> (len, v);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	670 break;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	671
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	672 case normal_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	673 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	674 std::generate_n (v, len, [](void) { double x; F77_FUNC (dgennor, DGENNOR) (0.0, 1.0, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	675 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	676 rand_normal<double> (len, v);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	677 break;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	678
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	679 case expon_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	680 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	681 std::generate_n (v, len, [](void) { double x; F77_FUNC (dgenexp, DGENEXP) (1.0, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	682 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	683 rand_exponential<double> (len, v);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	684 break;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	685
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	686 case poisson_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	687 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	688 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	689 if (a < 0.0 \|\| ! math::isfinite (a))
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	690 std::fill_n (v, len, numeric_limits<double>::NaN ());
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	691 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	692 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	693 // workaround bug in ignpoi, by calling with different Mu
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	694 double tmp;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	695 F77_FUNC (dignpoi, DIGNPOI) (a + 1, tmp);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	696 std::generate_n (v, len, [a](void) { double x; F77_FUNC (dignpoi, DIGNPOI) (a, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	697 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	698 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	699 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	700 rand_poisson<double> (a, len, v);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	701 break;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	702
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	703 case gamma_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	704 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	705 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	706 if (a <= 0.0 \|\| ! math::isfinite (a))
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	707 std::fill_n (v, len, numeric_limits<double>::NaN ());
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	708 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	709 std::generate_n (v, len, [a](void) { double x; F77_FUNC (dgengam, DGENGAM) (1.0, a, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	710 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	711 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	712 rand_gamma<double> (a, len, v);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	713 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	714
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	715 default:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	716 (*current_liboctave_error_handler)
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	717 ("rand: invalid distribution ID = %d", m_current_distribution);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	718 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	719 }
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	720
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	721 save_state ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	722
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	723 return;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	724 }
8124 d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator Brian Gough parents: 7537 diff changeset	725
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	726 void rand::fill (octave_idx_type len, float *v, float a)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	727 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	728 if (len < 1)
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	729 return;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	730
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	731 switch (m_current_distribution)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	732 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	733 case uniform_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	734 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	735 std::generate_n (v, len, [](void) { float x; F77_FUNC (fgenunf, FGENUNF) (0.0f, 1.0f, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	736 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	737 rand_uniform<float> (len, v);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	738 break;
8124 d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator Brian Gough parents: 7537 diff changeset	739
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	740 case normal_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	741 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	742 std::generate_n (v, len, [](void) { float x; F77_FUNC (fgennor, FGENNOR) (0.0f, 1.0f, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	743 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	744 rand_normal<float> (len, v);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	745 break;
8124 d227d096d49e oct-rand.cc (initialize_mersenne_twister): use separate initializations for each generator Brian Gough parents: 7537 diff changeset	746
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	747 case expon_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	748 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	749 std::generate_n (v, len, [](void) { float x; F77_FUNC (fgenexp, FGENEXP) (1.0f, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	750 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	751 rand_exponential<float> (len, v);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	752 break;
24852 53db3b152397 Correctly set rand state at startup (bug #53300). Rik <rik@octave.org> parents: 24534 diff changeset	753
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	754 case poisson_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	755 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	756 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	757 if (a < 0.0f \|\| ! math::isfinite (a))
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	758 std::fill_n (v, len, numeric_limits<float>::NaN ());
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	759 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	760 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	761 // workaround bug in ignpoi, by calling with different Mu
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	762 float tmp;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	763 F77_FUNC (fignpoi, FIGNPOI) (a + 1, tmp);
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	764 std::generate_n (v, len, [a](void) { float x; F77_FUNC (fignpoi, FIGNPOI) (a, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	765 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	766 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	767 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	768 rand_poisson<float> (a, len, v);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	769 break;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	770
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	771 case gamma_dist:
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	772 if (m_use_old_generators)
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	773 {
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	774 if (a <= 0.0f \|\| ! math::isfinite (a))
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	775 std::fill_n (v, len, numeric_limits<float>::NaN ());
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	776 else
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	777 std::generate_n (v, len, [a](void) { float x; F77_FUNC (fgengam, FGENGAM) (1.0f, a, x); return x; });
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	778 }
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	779 else
27102 84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace John W. Eaton <jwe@octave.org> parents: 26446 diff changeset	780 rand_gamma<float> (a, len, v);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	781 break;
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	782
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	783 default:
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	784 (*current_liboctave_error_handler)
30059 cc7ca74e883d maint: use "m_" prefix for member variables in class rand. Rik <rik@octave.org> parents: 29359 diff changeset	785 ("rand: invalid distribution ID = %d", m_current_distribution);
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	786 break;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	787 }
7537 a2950622f070 make octave_rand a proper singleton class John W. Eaton <jwe@octave.org> parents: 7536 diff changeset	788
25433 49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	789 save_state ();
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	790
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	791 return;
49e0447413ad use templates and move rand functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 25054 diff changeset	792 }
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	793
e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 30564 diff changeset	794 OCTAVE_END_NAMESPACE(octave)

Mercurial > octave

annotate liboctave/numeric/oct-rand.cc @ 31605:e88a07dec498 stable