octave: libinterp/corefcn/det.cc annotate

annotate libinterp/corefcn/det.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	6cf02f842e74
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: 29958 diff changeset	3 // Copyright (C) 1996-2022 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 ////////////////////////////////////////////////////////////////////////
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	26 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	27 # include "config.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	29
8335 64cf956a109c templatize & fix DET Jaroslav Hajek <highegg@gmail.com> parents: 7973 diff changeset	30 #include "DET.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	31
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14501 diff changeset	32 #include "defun.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	33 #include "error.h"
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21024 diff changeset	34 #include "errwarn.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20898 diff changeset	35 #include "ovl.h"
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	36 #include "ops.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	37
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	38 #include "ov-re-mat.h"
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	39 #include "ov-cx-mat.h"
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	40 #include "ov-flt-re-mat.h"
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	41 #include "ov-flt-cx-mat.h"
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	42 #include "ov-re-diag.h"
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	43 #include "ov-cx-diag.h"
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	44 #include "ov-flt-re-diag.h"
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	45 #include "ov-flt-cx-diag.h"
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	46 #include "ov-perm.h"
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	47
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31319 diff changeset	48 OCTAVE_BEGIN_NAMESPACE(octave)
29958 32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29359 diff changeset	49
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21966 diff changeset	50 #define MAYBE_CAST(VAR, CLASS) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21966 diff changeset	51 const CLASS *VAR = (arg.type_id () == CLASS::static_type_id () \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 21966 diff changeset	52 ? dynamic_cast<const CLASS *> (&arg.get_rep ()) \
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23583 diff changeset	53 : nullptr)
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	54
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14501 diff changeset	55 DEFUN (det, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	56 doc: /* -- texinfo --
30888 32d2b6604a9f doc: Ensure documentation lists output argument when it exists for functions in libinterp/ Rik <rik@octave.org> parents: 30564 diff changeset	57 @deftypefn {} {@var{d} =} det (@var{A})
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	58 @deftypefnx {} {[@var{d}, @var{rcond}] =} det (@var{A})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	59 Compute the determinant of @var{A}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	60
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	61 Return an estimate of the reciprocal condition number if requested.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	62
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	63 Programming Notes: Routines from @sc{lapack} are used for full matrices and
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	64 code from @sc{umfpack} is used for sparse matrices.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	65
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	66 The determinant should not be used to check a matrix for singularity.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	67 For that, use any of the condition number functions: @code{cond},
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	68 @code{condest}, @code{rcond}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	69 @seealso{cond, condest, rcond}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	70 @end deftypefn */)
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	71 {
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20802 diff changeset	72 if (args.length () != 1)
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20555 diff changeset	73 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	74
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	75 octave_value arg = args(0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	76
23577 80c42f4cca13 maint: Deprecate is_empty and replace with isempty. Rik <rik@octave.org> parents: 23450 diff changeset	77 if (arg.isempty ())
21127 df7891224709 maint: Use "return ovl (...)" in DEFUN macros. Rik <rik@octave.org> parents: 21110 diff changeset	78 return ovl (1.0);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	79
22372 0c0de2205d38 utils.h: deprecated out of date arg_is_empty function. Carnë Draug <carandraug@octave.org> parents: 22323 diff changeset	80 if (arg.rows () != arg.columns ())
21110 3d0d84305600 Use err_square_matrix_required more widely. Rik <rik@octave.org> parents: 21100 diff changeset	81 err_square_matrix_required ("det", "A");
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	82
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	83 octave_value_list retval (2);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	84
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	85 bool isfloat = arg.is_single_type ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	86
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	87 if (arg.is_diag_matrix ())
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	88 {
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	89 if (nargout <= 1)
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	90 retval.resize (1);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	91
23581 c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex. Rik <rik@octave.org> parents: 23577 diff changeset	92 if (arg.iscomplex ())
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	93 {
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	94 if (isfloat)
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	95 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	96 retval(0) = arg.float_complex_diag_matrix_value ()
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	97 .determinant ().value ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	98 if (nargout > 1)
31319 6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	99 retval(1) = arg.float_complex_diag_matrix_value ().rcond ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	100 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	101 else
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	102 {
31319 6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	103 retval(0) = arg.complex_diag_matrix_value ()
6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	104 .determinant ().value ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	105 if (nargout > 1)
31319 6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	106 retval(1) = arg.complex_diag_matrix_value ().rcond ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	107 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	108 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	109 else
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	110 {
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	111 if (isfloat)
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	112 {
31319 6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	113 retval(0) = arg.float_diag_matrix_value ()
6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	114 .determinant ().value ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	115 if (nargout > 1)
31319 6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	116 retval(1) = arg.float_diag_matrix_value ().rcond ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	117 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	118 else
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	119 {
31319 6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	120 retval(0) = arg.diag_matrix_value ().determinant ().value ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	121 if (nargout > 1)
31319 6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	122 retval(1) = arg.diag_matrix_value ().rcond ();
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	123 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	124 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	125 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	126 else if (arg.is_perm_matrix ())
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	127 {
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	128 if (nargout <= 1)
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	129 retval.resize (1);
c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	130
31319 6cf02f842e74 Backed out changeset 24e45a79bf3c Arun Giridhar <arungiridhar@gmail.com> parents: 31316 diff changeset	131 retval(0) = static_cast<double> (arg.perm_matrix_value ().determinant ());
8960 93f18f166aba remove float perm matrices Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	132 if (nargout > 1)
93f18f166aba remove float perm matrices Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	133 retval(1) = 1.0;
8371 c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	134 }
c3f7e2549abb make det & inv aware of diagonal & permutation matrices Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	135 else if (arg.is_single_type ())
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	136 {
23582 0cc2011d800e maint: Deprecate is_real_type and replace with isreal. Rik <rik@octave.org> parents: 23581 diff changeset	137 if (arg.isreal ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	138 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	139 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	140 float rcond = 0.0;
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	141 // Always compute rcond, so we can detect singular matrices.
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	142 FloatMatrix m = arg.float_matrix_value ();
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	143
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	144 MAYBE_CAST (rep, octave_float_matrix);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	145 MatrixType mtype = (rep ? rep -> matrix_type () : MatrixType ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	146 FloatDET det = m.determinant (mtype, info, rcond);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	147 retval(0) = (info == -1 ? 0.0f : det.value ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	148 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	149 if (rep)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	150 rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	151 }
23581 c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex. Rik <rik@octave.org> parents: 23577 diff changeset	152 else if (arg.iscomplex ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	153 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	154 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	155 float rcond = 0.0;
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	156 // Always compute rcond, so we can detect singular matrices.
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	157 FloatComplexMatrix m = arg.float_complex_matrix_value ();
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	158
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	159 MAYBE_CAST (rep, octave_float_complex_matrix);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	160 MatrixType mtype = (rep ? rep -> matrix_type () : MatrixType ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	161 FloatComplexDET det = m.determinant (mtype, info, rcond);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	162 retval(0) = (info == -1 ? FloatComplex (0.0) : det.value ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	163 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	164 if (rep)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	165 rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	166 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	167 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	168 else
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	169 {
23582 0cc2011d800e maint: Deprecate is_real_type and replace with isreal. Rik <rik@octave.org> parents: 23581 diff changeset	170 if (arg.isreal ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	171 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	172 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	173 double rcond = 0.0;
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	174 // Always compute rcond, so we can detect singular matrices.
23583 b7747a2c88b2 maint: Deprecate is_sparse_type and replace with issparse. Rik <rik@octave.org> parents: 23582 diff changeset	175 if (arg.issparse ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	176 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	177 SparseMatrix m = arg.sparse_matrix_value ();
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	178
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	179 DET det = m.determinant (info, rcond);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	180 retval(0) = (info == -1 ? 0.0 : det.value ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	181 retval(1) = rcond;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	182 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	183 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	184 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	185 Matrix m = arg.matrix_value ();
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	186
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	187 MAYBE_CAST (rep, octave_matrix);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	188 MatrixType mtype = (rep ? rep -> matrix_type ()
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	189 : MatrixType ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	190 DET det = m.determinant (mtype, info, rcond);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	191 retval(0) = (info == -1 ? 0.0 : det.value ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	192 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	193 if (rep)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	194 rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	195 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	196 }
23581 c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex. Rik <rik@octave.org> parents: 23577 diff changeset	197 else if (arg.iscomplex ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	198 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	199 octave_idx_type info;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	200 double rcond = 0.0;
20898 8da80da1ac37 maint: Use ovl() more places in the code. Rik <rik@octave.org> parents: 20892 diff changeset	201 // Always compute rcond, so we can detect singular matrices.
23583 b7747a2c88b2 maint: Deprecate is_sparse_type and replace with issparse. Rik <rik@octave.org> parents: 23582 diff changeset	202 if (arg.issparse ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	203 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	204 SparseComplexMatrix m = arg.sparse_complex_matrix_value ();
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	205
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	206 ComplexDET det = m.determinant (info, rcond);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	207 retval(0) = (info == -1 ? Complex (0.0) : det.value ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	208 retval(1) = rcond;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	209 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	210 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	211 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	212 ComplexMatrix m = arg.complex_matrix_value ();
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	213
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	214 MAYBE_CAST (rep, octave_complex_matrix);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	215 MatrixType mtype = (rep ? rep -> matrix_type ()
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	216 : MatrixType ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	217 ComplexDET det = m.determinant (mtype, info, rcond);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23220 diff changeset	218 retval(0) = (info == -1 ? Complex (0.0) : det.value ());
20555 f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	219 retval(1) = rcond;
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	220 if (rep)
f90c8372b7ba eliminate many more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	221 rep->matrix_type (mtype);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	222 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9209 diff changeset	223 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	224 else
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 21024 diff changeset	225 err_wrong_type_arg ("det", arg);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7650 diff changeset	226 }
20892 c07bee629973 2015 Code Sprint: use ovl (). Rik <rik@octave.org> parents: 20853 diff changeset	227
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	228 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	229 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	230
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	231 /*
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	232 %!assert (det ([1, 2; 3, 4]), -2, 10*eps)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	233 %!assert (det (single ([1, 2; 3, 4])), single (-2), 10*eps ("single"))
23886 6d73cb87591a Avoid underflow in explicit floating point calculating det (bug #39014) Stephen Montgomery-Smith <stephen@missouri.edu> parents: 23795 diff changeset	234 %!assert (det (eye (2000)), 1)
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	235 %!error det ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	236 %!error det (1, 2)
21110 3d0d84305600 Use err_square_matrix_required more widely. Rik <rik@octave.org> parents: 21100 diff changeset	237 %!error <must be a square matrix> det ([1, 2; 3, 4; 5, 6])
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	238 */
29958 32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29359 diff changeset	239
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31319 diff changeset	240 OCTAVE_END_NAMESPACE(octave)

Mercurial > octave

annotate libinterp/corefcn/det.cc @ 31605:e88a07dec498 stable