octave: libinterp/corefcn/ordschur.cc annotate

annotate libinterp/corefcn/ordschur.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	a3d8915b9f87
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: 29961 diff changeset	3 // Copyright (C) 2016-2022 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 ////////////////////////////////////////////////////////////////////////
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21580 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"
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	28 #endif
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	29
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	30 #include "defun.h"
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	31 #include "error.h"
22322 93b3cdd36854 move most f77 function decls to separate header files John W. Eaton <jwe@octave.org> parents: 22197 diff changeset	32 #include "lo-lapack-proto.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20939 diff changeset	33 #include "ovl.h"
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	34
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31594 diff changeset	35 OCTAVE_BEGIN_NAMESPACE(octave)
29958 32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29359 diff changeset	36
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	37 DEFUN (ordschur, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	38 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	39 @deftypefn {} {[@var{UR}, @var{SR}] =} ordschur (@var{U}, @var{S}, @var{select})
31594 a3d8915b9f87 doc: more DOCSTRING changes ahead of 8.1 release. Rik <rik@octave.org> parents: 30564 diff changeset	40 Reorder the real Schur factorization (@var{U},@var{S}) obtained with the
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	41 @code{schur} function, so that selected eigenvalues appear in the upper left
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	42 diagonal blocks of the quasi triangular Schur matrix.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	43
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	44 The logical vector @var{select} specifies the selected eigenvalues as they
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	45 appear along @var{S}'s diagonal.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	46
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	47 For example, given the matrix @code{@var{A} = [1, 2; 3, 4]}, and its Schur
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	48 decomposition
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	49
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	50 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	51 [@var{U}, @var{S}] = schur (@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	52 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	53
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	54 @noindent
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	55 which returns
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	56
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	57 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	58 @group
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	59 @var{U} =
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 -0.82456 -0.56577
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	62 0.56577 -0.82456
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	63
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	64 @var{S} =
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 -0.37228 -1.00000
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	67 0.00000 5.37228
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	68
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	69 @end group
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 example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	71
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	72 It is possible to reorder the decomposition so that the positive eigenvalue
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	73 is in the upper left corner, by doing:
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	74
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	75 @example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	76 [@var{U}, @var{S}] = ordschur (@var{U}, @var{S}, [0,1])
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	77 @end example
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	78
28986 69ec8d9e769b Add function ordqz (patch #9897). Martin Köhler <koehlerm@mpi-magdeburg.mpg.de> parents: 27923 diff changeset	79 @seealso{schur, ordeig, ordqz}
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21724 diff changeset	80 @end deftypefn */)
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	81 {
20819 f428cbe7576f eliminate unnecessary uses of nargin John W. Eaton <jwe@octave.org> parents: 20816 diff changeset	82 if (args.length () != 3)
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20704 diff changeset	83 print_usage ();
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	84
26353 d43ba2c21d1d ordschur.cc: Fix static analyzer detected issues (bug #55347). Rik <rik@octave.org> parents: 25734 diff changeset	85 const Array<octave_idx_type> sel_arg = args(2).xoctave_idx_type_vector_value ("ordschur: SELECT must be an array of integers");
20703 85e5efae848a eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20172 diff changeset	86
22961 0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	87 const octave_idx_type sel_n = sel_arg.numel ();
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	88
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	89 const dim_vector dimU = args(0).dims ();
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	90 const dim_vector dimS = args(1).dims ();
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20892 diff changeset	91
22961 0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	92 if (sel_n != dimU(0))
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20819 diff changeset	93 error ("ordschur: SELECT must have same length as the sides of U and S");
22961 0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	94 else if (sel_n != dimU(0) \|\| sel_n != dimS(0) \|\| sel_n != dimU(1)
0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	95 \|\| sel_n != dimS(1))
20831 35241c4b696c eliminate return statements after calls to error John W. Eaton <jwe@octave.org> parents: 20819 diff changeset	96 error ("ordschur: U and S must be square and of equal sizes");
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	97
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20892 diff changeset	98 octave_value_list retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20892 diff changeset	99
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	100 const bool double_type = args(0).is_double_type ()
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	101 \|\| args(1).is_double_type ();
23581 c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex. Rik <rik@octave.org> parents: 23220 diff changeset	102 const bool complex_type = args(0).iscomplex ()
c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex. Rik <rik@octave.org> parents: 23220 diff changeset	103 \|\| args(1).iscomplex ();
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	104
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	105 #define PREPARE_ARGS(TYPE, TYPE_M, TYPE_COND) \
22961 0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	106 TYPE ## Matrix U = args(0).x ## TYPE_M ## _value \
0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	107 ("ordschur: U and S must be real or complex floating point matrices"); \
0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	108 TYPE ## Matrix S = args(1).x ## TYPE_M ## _value \
0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	109 ("ordschur: U and S must be real or complex floating point matrices"); \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	110 TYPE ## Matrix w (dim_vector (n, 1)); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	111 TYPE ## Matrix work (dim_vector (n, 1)); \
22961 0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	112 F77_INT m; \
0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	113 F77_INT info; \
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	114 TYPE_COND cond1, cond2;
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	115
22197 e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	116 #define PREPARE_OUTPUT() \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	117 if (info != 0) \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	118 error ("ordschur: trsen failed"); \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	119 \
e43d83253e28 refill multi-line macro definitions John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	120 retval = ovl (U, S);
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	121
29961 7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more John W. Eaton <jwe@octave.org> parents: 29958 diff changeset	122 F77_INT n = to_f77_int (sel_n);
22961 0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	123 Array<F77_INT> sel (dim_vector (n, 1));
0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	124 for (F77_INT i = 0; i < n; i++)
29961 7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more John W. Eaton <jwe@octave.org> parents: 29958 diff changeset	125 sel.xelem (i) = to_f77_int (sel_arg.xelem (i));
22961 0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	126
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	127 if (double_type)
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	128 {
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	129 if (complex_type)
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	130 {
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	131 PREPARE_ARGS (Complex, complex_matrix, double)
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	132
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	133 F77_XFCN (ztrsen, ztrsen,
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	134 (F77_CONST_CHAR_ARG ("N"), F77_CONST_CHAR_ARG ("V"),
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	135 sel.data (), n, F77_DBLE_CMPLX_ARG (S.fortran_vec ()), n,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	136 F77_DBLE_CMPLX_ARG (U.fortran_vec ()), n,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	137 F77_DBLE_CMPLX_ARG (w.fortran_vec ()), m, cond1, cond2,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	138 F77_DBLE_CMPLX_ARG (work.fortran_vec ()), n,
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	139 info));
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20892 diff changeset	140
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	141 PREPARE_OUTPUT()
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	142 }
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	143 else
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	144 {
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	145 PREPARE_ARGS (, matrix, double)
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	146 Matrix wi (dim_vector (n, 1));
22961 0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	147 Array<F77_INT> iwork (dim_vector (n, 1));
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	148
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	149 F77_XFCN (dtrsen, dtrsen,
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	150 (F77_CONST_CHAR_ARG ("N"), F77_CONST_CHAR_ARG ("V"),
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	151 sel.data (), n, S.fortran_vec (), n, U.fortran_vec (), n,
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	152 w.fortran_vec (), wi.fortran_vec (), m, cond1, cond2,
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	153 work.fortran_vec (), n, iwork.fortran_vec (), n, info));
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20892 diff changeset	154
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	155 PREPARE_OUTPUT ()
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	156 }
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	157 }
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	158 else
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	159 {
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	160 if (complex_type)
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	161 {
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	162 PREPARE_ARGS (FloatComplex, float_complex_matrix, float)
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	163
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	164 F77_XFCN (ctrsen, ctrsen,
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	165 (F77_CONST_CHAR_ARG ("N"), F77_CONST_CHAR_ARG ("V"),
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	166 sel.data (), n, F77_CMPLX_ARG (S.fortran_vec ()), n,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	167 F77_CMPLX_ARG (U.fortran_vec ()), n,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	168 F77_CMPLX_ARG (w.fortran_vec ()), m, cond1, cond2,
34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22323 diff changeset	169 F77_CMPLX_ARG (work.fortran_vec ()), n,
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	170 info));
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20892 diff changeset	171
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	172 PREPARE_OUTPUT ()
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	173 }
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	174 else
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	175 {
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	176 PREPARE_ARGS (Float, float_matrix, float)
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	177 FloatMatrix wi (dim_vector (n, 1));
22961 0e9606b04ae0 use F77_INT instead of octave_idx_type for libinterp ordschur function John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	178 Array<F77_INT> iwork (dim_vector (n, 1));
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	179
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	180 F77_XFCN (strsen, strsen,
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	181 (F77_CONST_CHAR_ARG ("N"), F77_CONST_CHAR_ARG ("V"),
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	182 sel.data (), n, S.fortran_vec (), n, U.fortran_vec (), n,
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	183 w.fortran_vec (), wi.fortran_vec (), m, cond1, cond2,
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	184 work.fortran_vec (), n, iwork.fortran_vec (), n, info));
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20892 diff changeset	185
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	186 PREPARE_OUTPUT ()
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	187 }
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	188 }
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	189
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	190 #undef PREPARE_ARGS
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	191 #undef PREPARE_OUTPUT
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	192
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	193 return retval;
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	194 }
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	195
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	196 /*
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	197
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	198 %!test
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	199 %! A = [1, 2, 3, -2; 4, 5, 6, -5 ; 7, 8, 9, -5; 10, 11, 12, 4 ];
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	200 %! [U, T] = schur (A);
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	201 %! [US, TS] = ordschur (U, T, [ 0, 0, 1, 1 ]);
21580 ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21301 diff changeset	202 %! assert (USTSUS', A, sqrt (eps));
ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21301 diff changeset	203 %! assert (diag (T)(3:4), diag (TS)(1:2), sqrt (eps));
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	204
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	205 %!test
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	206 %! A = [1, 2, 3, -2; 4, 5, 6, -5 ; 7, 8, 9, -5; 10, 11, 12, 4 ];
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	207 %! [U, T] = schur (A);
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	208 %! [US, TS] = ordschur (single (U), single (T), [ 0, 0, 1, 1 ]);
21580 ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21301 diff changeset	209 %! assert (USTSUS', A, sqrt (eps ("single")));
ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21301 diff changeset	210 %! assert (diag (T)(3:4), diag (TS)(1:2), sqrt (eps ("single")));
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	211
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	212 %!test
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	213 %! A = [1, 2, 3, -2; 4, 5, 6, -5 ; 7, 8, 9, -5; 10, 11, 12, 4+3i ];
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	214 %! [U, T] = schur (A);
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	215 %! [US, TS] = ordschur (U, T, [ 0, 0, 1, 1 ]);
21580 ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21301 diff changeset	216 %! assert (USTSUS', A, sqrt (eps));
ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21301 diff changeset	217 %! assert (diag (T)(3:4), diag (TS)(1:2), sqrt (eps));
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	218
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	219 %!test
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	220 %! A = [1, 2, 3, -2; 4, 5, 6, -5 ; 7, 8, 9, -5; 10, 11, 12, 4+3i ];
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	221 %! [U, T] = schur (A);
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	222 %! [US, TS] = ordschur (single (U), single (T), [ 0, 0, 1, 1 ]);
21580 ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21301 diff changeset	223 %! assert (USTSUS', A, sqrt (eps ("single")));
ecce63c99c3f maint: Add semicolons to terminate code in %! blocks. Rik <rik@octave.org> parents: 21301 diff changeset	224 %! assert (diag (T)(3:4), diag (TS)(1:2), sqrt (eps ("single")));
19747 56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	225
56157a7505ed Add new ordschur function. Sébastien Villemot <sebastien@debian.org> parents: diff changeset	226 */
29958 32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29359 diff changeset	227
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31594 diff changeset	228 OCTAVE_END_NAMESPACE(octave)

Mercurial > octave

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