octave: liboctave/numeric/schur.cc annotate

annotate liboctave/numeric/schur.cc @ 22402:4caa7b28d183

maint: Style check C++ code in liboctave/ * Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc, Array-util.h, Array-voidp.cc, Array.cc, Array.h, CColVector.cc, CColVector.h, CDiagMatrix.cc, CDiagMatrix.h, CMatrix.cc, CMatrix.h, CNDArray.cc, CNDArray.h, CRowVector.cc, CRowVector.h, CSparse.cc, CSparse.h, DiagArray2.cc, DiagArray2.h, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc, MArray.h, MDiagArray2.cc, MDiagArray2.h, MSparse-C.cc, MSparse-d.cc, MSparse.cc, MSparse.h, Matrix.h, MatrixType.cc, MatrixType.h, PermMatrix.cc, PermMatrix.h, Range.cc, Range.h, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc, Sparse.h, boolMatrix.cc, boolMatrix.h, boolNDArray.cc, boolNDArray.h, boolSparse.cc, boolSparse.h, chMatrix.cc, chMatrix.h, chNDArray.cc, chNDArray.h, dColVector.cc, dColVector.h, dDiagMatrix.cc, dDiagMatrix.h, dMatrix.cc, dMatrix.h, dNDArray.cc, dNDArray.h, dRowVector.cc, dRowVector.h, dSparse.cc, dSparse.h, dim-vector.cc, dim-vector.h, fCColVector.cc, fCColVector.h, fCDiagMatrix.cc, fCDiagMatrix.h, fCMatrix.cc, fCMatrix.h, fCNDArray.cc, fCNDArray.h, fCRowVector.cc, fCRowVector.h, fColVector.cc, fColVector.h, fDiagMatrix.cc, fDiagMatrix.h, fMatrix.cc, fMatrix.h, fNDArray.cc, fNDArray.h, fRowVector.cc, fRowVector.h, idx-vector.cc, idx-vector.h, int16NDArray.cc, int16NDArray.h, int32NDArray.cc, int32NDArray.h, int64NDArray.cc, int64NDArray.h, int8NDArray.cc, int8NDArray.h, intNDArray.cc, intNDArray.h, uint16NDArray.cc, uint16NDArray.h, uint32NDArray.cc, uint32NDArray.h, uint64NDArray.h, uint8NDArray.h, blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h, liboctave-build-info.h, liboctave-build-info.in.cc, CollocWt.cc, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK.cc, DASPK.h, DASRT.cc, DASRT.h, DASSL.cc, DASSL.h, DET.h, EIG.cc, EIG.h, LSODE.cc, LSODE.h, ODE.h, ODEFunc.h, ODES.cc, ODES.h, ODESFunc.h, Quad.cc, Quad.h, aepbalance.cc, aepbalance.h, base-dae.h, base-de.h, base-min.h, bsxfun-decl.h, bsxfun-defs.cc, bsxfun.h, chol.cc, chol.h, eigs-base.cc, eigs-base.h, fEIG.cc, fEIG.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-amos-proto.h, lo-arpack-proto.h, lo-blas-proto.h, lo-fftpack-proto.h, lo-lapack-proto.h, lo-mappers.cc, lo-mappers.h, lo-qrupdate-proto.h, lo-ranlib-proto.h, lo-slatec-proto.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-fftw.cc, oct-fftw.h, 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-dmsolve.cc, sparse-dmsolve.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, Sparse-diag-op-defs.h, Sparse-op-decls.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mx-base.h, mx-defs.h, mx-ext.h, mx-inlines.cc, mx-op-decl.h, mx-op-defs.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, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-passwd.cc, oct-passwd.h, oct-syscalls.cc, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.h, base-list.h, byte-swap.h, caseless-str.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, data-conv.cc, data-conv.h, f2c-main.c, functor.h, glob-match.cc, glob-match.h, kpse.cc, kpse.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-array-gripes.cc, lo-array-gripes.h, lo-cutils.c, lo-cutils.h, lo-hash.cc, lo-hash.h, lo-ieee.cc, lo-ieee.h, lo-macros.h, lo-math.h, lo-regexp.cc, lo-regexp.h, lo-traits.h, lo-utils.cc, lo-utils.h, oct-alloc.h, oct-base64.cc, oct-binmap.h, oct-cmplx.h, oct-glob.cc, oct-glob.h, oct-inttypes-fwd.h, oct-inttypes.cc, oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-rl-edit.c, oct-rl-edit.h, oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-shlib.h, oct-sort.cc, oct-sort.h, oct-sparse.h, oct-string.cc, oct-string.h, pathsearch.cc, pathsearch.h, singleton-cleanup.cc, singleton-cleanup.h, sparse-sort.cc, sparse-sort.h, sparse-util.cc, sparse-util.h, str-vec.cc, str-vec.h, sun-utils.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h, areadlink-wrapper.c, areadlink-wrapper.h, async-system-wrapper.c, async-system-wrapper.h, base64-wrappers.c, base64-wrappers.h, canonicalize-file-name-wrapper.c, canonicalize-file-name-wrapper.h, dirent-wrappers.c, dirent-wrappers.h, fcntl-wrappers.c, fcntl-wrappers.h, filepos-wrappers.c, filepos-wrappers.h, fpucw-wrappers.c, fpucw-wrappers.h, gen-tempname-wrapper.c, gen-tempname-wrapper.h, getopt-wrapper.c, glob-wrappers.c, hash-wrappers.c, hash-wrappers.h, math-wrappers.c, math-wrappers.h, mkostemp-wrapper.c, mkostemp-wrapper.h, nanosleep-wrapper.c, nanosleep-wrapper.h, nproc-wrapper.c, nproc-wrapper.h, octave-popen2.c, octave-popen2.h, putenv-wrapper.c, putenv-wrapper.h, set-program-name-wrapper.c, set-program-name-wrapper.h, signal-wrappers.c, signal-wrappers.h, stat-wrappers.c, stat-wrappers.h, strdup-wrapper.c, strdup-wrapper.h, strftime-wrapper.c, strftime-wrapper.h, strmode-wrapper.c, strmode-wrapper.h, strptime-wrapper.c, strptime-wrapper.h, time-wrappers.c, time-wrappers.h, tmpfile-wrapper.c, tmpfile-wrapper.h, uname-wrapper.c, uname-wrapper.h, unistd-wrappers.c, unistd-wrappers.h, unsetenv-wrapper.c, unsetenv-wrapper.h, vasprintf-wrapper.c, vasprintf-wrapper.h, wait-for-input.c, wait-for-input.h, wait-wrappers.c, wait-wrappers.h: Wrap long lines < 80 characters. Update incorrect indentation.

author	Rik <rik@octave.org>
date	Mon, 29 Aug 2016 11:09:25 -0700
parents	7f3c7a8bd131
children	3a2b891d0b33 e9a0469dedd9

rev	line source
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	1 /*
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	2
22323 bac0d6f07a3e maint: Update copyright notices for 2016. John W. Eaton <jwe@octave.org> parents: 22322 diff changeset	3 Copyright (C) 1994-2016 John W. Eaton
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	4
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	6
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	10 option) any later version.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	11
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	15 for more details.
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	16
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	19 <http://www.gnu.org/licenses/>.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	20
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	21 */
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	22
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21663 diff changeset	23 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21274 diff changeset	24 # include "config.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	25 #endif
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	26
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	27 #include "CMatrix.h"
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	28 #include "dMatrix.h"
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	29 #include "fCMatrix.h"
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	30 #include "fMatrix.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	31 #include "lo-error.h"
22322 93b3cdd36854 move most f77 function decls to separate header files John W. Eaton <jwe@octave.org> parents: 22317 diff changeset	32 #include "lo-lapack-proto.h"
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	33 #include "schur.h"
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	34
22317 6ca3acf5fad8 move some new numeric classes to namespace octave::math John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	35 namespace octave
6ca3acf5fad8 move some new numeric classes to namespace octave::math John W. Eaton <jwe@octave.org> parents: 22135 diff changeset	36 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	37 namespace math
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	38 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	39 // For real types.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	40
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	41 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	42 static octave_idx_type
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	43 select_ana (const T& a, const T&)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	44 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	45 return (a < 0.0);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	46 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	47
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	48 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	49 static octave_idx_type
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	50 select_dig (const T& a, const T& b)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	51 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	52 return (hypot (a, b) < 1.0);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	53 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	54
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	55 // For complex types.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	56
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	57 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	58 static octave_idx_type
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	59 select_ana (const T& a)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	60 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	61 return a.real () < 0.0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	62 }
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	63
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	64 template <typename T>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	65 static octave_idx_type
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	66 select_dig (const T& a)
10607 f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	67 {
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	68 return (abs (a) < 1.0);
10607 f7501986e42d make schur more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	69 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	70
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	71 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	72 octave_idx_type
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	73 schur<Matrix>::init (const Matrix& a, const std::string& ord, bool calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	74 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	75 octave_idx_type a_nr = a.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	76 octave_idx_type a_nc = a.cols ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	77
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	78 if (a_nr != a_nc)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	79 (*current_liboctave_error_handler) ("schur: requires square matrix");
3334 5187390bfde6 [project @ 1999-11-03 20:41:16 by jwe] jwe parents: 2847 diff changeset	80
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	81 if (a_nr == 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	82 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	83 schur_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	84 unitary_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	85 return 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	86 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	87
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	88 // Workspace requirements may need to be fixed if any of the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	89 // following change.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	90
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	91 char jobvs;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	92 char sense = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	93 char sort = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	94
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	95 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	96 jobvs = 'V';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	97 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	98 jobvs = 'N';
5008 c2bb27ada496 [project @ 2004-09-17 14:45:39 by jwe] jwe parents: 4552 diff changeset	99
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	100 char ord_char = ord.empty () ? 'U' : ord[0];
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	101
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	102 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	103 sort = 'S';
1756 1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe] jwe parents: 1631 diff changeset	104
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	105 volatile double_selector selector = 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	106 if (ord_char == 'A' \|\| ord_char == 'a')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	107 selector = select_ana<double>;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	108 else if (ord_char == 'D' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	109 selector = select_dig<double>;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	110
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	111 octave_idx_type n = a_nc;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	112 octave_idx_type lwork = 8 * n;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	113 octave_idx_type liwork = 1;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	114 octave_idx_type info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	115 octave_idx_type sdim;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	116 double rconde;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	117 double rcondv;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	118
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	119 schur_mat = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	120
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	121 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	122 unitary_mat.clear (n, n);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	123
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	124 double *s = schur_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	125 double *q = unitary_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	126
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	127 Array<double> wr (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	128 double *pwr = wr.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	129
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	130 Array<double> wi (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	131 double *pwi = wi.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	132
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	133 Array<double> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	134 double *pwork = work.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	135
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	136 // BWORK is not referenced for the non-ordered Schur routine.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	137 octave_idx_type ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	138 Array<octave_idx_type> bwork (dim_vector (ntmp, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	139 octave_idx_type *pbwork = bwork.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	140
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	141 Array<octave_idx_type> iwork (dim_vector (liwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	142 octave_idx_type *piwork = iwork.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	143
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	144 F77_XFCN (dgeesx, DGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	145 F77_CONST_CHAR_ARG2 (&sort, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	146 selector,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	147 F77_CONST_CHAR_ARG2 (&sense, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	148 n, s, n, sdim, pwr, pwi, q, n, rconde, rcondv,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	149 pwork, lwork, piwork, liwork, pbwork, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	150 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	151 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	152 F77_CHAR_ARG_LEN (1)));
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	153
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	154 return info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	155 }
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	156
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	157 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	158 octave_idx_type
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	159 schur<FloatMatrix>::init (const FloatMatrix& a, const std::string& ord,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	160 bool calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	161 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	162 octave_idx_type a_nr = a.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	163 octave_idx_type a_nc = a.cols ();
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	164
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	165 if (a_nr != a_nc)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	166 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	167
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	168 if (a_nr == 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	169 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	170 schur_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	171 unitary_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	172 return 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	173 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	174
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	175 // Workspace requirements may need to be fixed if any of the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	176 // following change.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	177
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	178 char jobvs;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	179 char sense = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	180 char sort = 'N';
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	181
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	182 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	183 jobvs = 'V';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	184 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	185 jobvs = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	186
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	187 char ord_char = ord.empty () ? 'U' : ord[0];
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	188
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	189 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	190 sort = 'S';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	191
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	192 volatile float_selector selector = 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	193 if (ord_char == 'A' \|\| ord_char == 'a')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	194 selector = select_ana<float>;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	195 else if (ord_char == 'D' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	196 selector = select_dig<float>;
1929 908f5b6676d7 [project @ 1996-02-11 22:05:08 by jwe] jwe parents: 1882 diff changeset	197
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	198 octave_idx_type n = a_nc;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	199 octave_idx_type lwork = 8 * n;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	200 octave_idx_type liwork = 1;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	201 octave_idx_type info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	202 octave_idx_type sdim;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	203 float rconde;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	204 float rcondv;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	205
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	206 schur_mat = a;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	207
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	208 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	209 unitary_mat.clear (n, n);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	210
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	211 float *s = schur_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	212 float *q = unitary_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	213
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	214 Array<float> wr (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	215 float *pwr = wr.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	216
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	217 Array<float> wi (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	218 float *pwi = wi.fortran_vec ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	219
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	220 Array<float> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	221 float *pwork = work.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	222
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	223 // BWORK is not referenced for the non-ordered Schur routine.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	224 octave_idx_type ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	225 Array<octave_idx_type> bwork (dim_vector (ntmp, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	226 octave_idx_type *pbwork = bwork.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	227
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	228 Array<octave_idx_type> iwork (dim_vector (liwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	229 octave_idx_type *piwork = iwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	230
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	231 F77_XFCN (sgeesx, SGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	232 F77_CONST_CHAR_ARG2 (&sort, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	233 selector,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	234 F77_CONST_CHAR_ARG2 (&sense, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	235 n, s, n, sdim, pwr, pwi, q, n, rconde, rcondv,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	236 pwork, lwork, piwork, liwork, pbwork, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	237 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	238 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	239 F77_CHAR_ARG_LEN (1)));
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	240
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	241 return info;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	242 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	243
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	244 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	245 octave_idx_type
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	246 schur<ComplexMatrix>::init (const ComplexMatrix& a, const std::string& ord,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	247 bool calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	248 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	249 octave_idx_type a_nr = a.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	250 octave_idx_type a_nc = a.cols ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	251
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	252 if (a_nr != a_nc)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	253 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	254
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	255 if (a_nr == 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	256 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	257 schur_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	258 unitary_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	259 return 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	260 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	261
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	262 // Workspace requirements may need to be fixed if any of the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	263 // following change.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	264
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	265 char jobvs;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	266 char sense = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	267 char sort = 'N';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	268
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	269 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	270 jobvs = 'V';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	271 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	272 jobvs = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	273
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	274 char ord_char = ord.empty () ? 'U' : ord[0];
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	275
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	276 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	277 sort = 'S';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	278
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	279 volatile complex_selector selector = 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	280 if (ord_char == 'A' \|\| ord_char == 'a')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	281 selector = select_ana<Complex>;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	282 else if (ord_char == 'D' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	283 selector = select_dig<Complex>;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	284
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	285 octave_idx_type n = a_nc;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	286 octave_idx_type lwork = 8 * n;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	287 octave_idx_type info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	288 octave_idx_type sdim;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	289 double rconde;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	290 double rcondv;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	291
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	292 schur_mat = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	293 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	294 unitary_mat.clear (n, n);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	295
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	296 Complex *s = schur_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	297 Complex *q = unitary_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	298
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	299 Array<double> rwork (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	300 double *prwork = rwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	301
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	302 Array<Complex> w (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	303 Complex *pw = w.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	304
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	305 Array<Complex> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	306 Complex *pwork = work.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	307
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	308 // BWORK is not referenced for non-ordered Schur.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	309 octave_idx_type ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	310 Array<octave_idx_type> bwork (dim_vector (ntmp, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	311 octave_idx_type *pbwork = bwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	312
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	313 F77_XFCN (zgeesx, ZGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	314 F77_CONST_CHAR_ARG2 (&sort, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	315 selector,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	316 F77_CONST_CHAR_ARG2 (&sense, 1),
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	317 n, F77_DBLE_CMPLX_ARG (s), n, sdim, F77_DBLE_CMPLX_ARG (pw),
4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	318 F77_DBLE_CMPLX_ARG (q), n, rconde, rcondv,
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	319 F77_DBLE_CMPLX_ARG (pwork), lwork, prwork, pbwork, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	320 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	321 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	322 F77_CHAR_ARG_LEN (1)));
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	323
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	324 return info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	325 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	326
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	327 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	328 schur<ComplexMatrix>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	329 rsf2csf<ComplexMatrix, Matrix> (const Matrix& s_arg, const Matrix& u_arg)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	330 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	331 ComplexMatrix s (s_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	332 ComplexMatrix u (u_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	333
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	334 octave_idx_type n = s.rows ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	335
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	336 if (s.columns () != n \|\| u.rows () != n \|\| u.columns () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	337 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	338 ("rsf2csf: inconsistent matrix dimensions");
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	339
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	340 if (n > 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	341 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	342 OCTAVE_LOCAL_BUFFER (double, c, n-1);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	343 OCTAVE_LOCAL_BUFFER (double, sx, n-1);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	344
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	345 F77_XFCN (zrsf2csf, ZRSF2CSF, (n, F77_DBLE_CMPLX_ARG (s.fortran_vec ()),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	346 F77_DBLE_CMPLX_ARG (u.fortran_vec ()), c, sx));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	347 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	348
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	349 return schur<ComplexMatrix> (s, u);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	350 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	351
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	352 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	353 octave_idx_type
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	354 schur<FloatComplexMatrix>::init (const FloatComplexMatrix& a,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	355 const std::string& ord, bool calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	356 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	357 octave_idx_type a_nr = a.rows ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	358 octave_idx_type a_nc = a.cols ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	359
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	360 if (a_nr != a_nc)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	361 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	362
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	363 if (a_nr == 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	364 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	365 schur_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	366 unitary_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	367 return 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	368 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	369
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	370 // Workspace requirements may need to be fixed if any of the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	371 // following change.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	372
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	373 char jobvs;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	374 char sense = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	375 char sort = 'N';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	376
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	377 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	378 jobvs = 'V';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	379 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	380 jobvs = 'N';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	381
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	382 char ord_char = ord.empty () ? 'U' : ord[0];
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	383
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	384 if (ord_char == 'A' \|\| ord_char == 'D' \|\| ord_char == 'a' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	385 sort = 'S';
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	386
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	387 volatile float_complex_selector selector = 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	388 if (ord_char == 'A' \|\| ord_char == 'a')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	389 selector = select_ana<FloatComplex>;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	390 else if (ord_char == 'D' \|\| ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	391 selector = select_dig<FloatComplex>;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	392
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	393 octave_idx_type n = a_nc;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	394 octave_idx_type lwork = 8 * n;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	395 octave_idx_type info;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	396 octave_idx_type sdim;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	397 float rconde;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	398 float rcondv;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	399
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	400 schur_mat = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	401 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	402 unitary_mat.clear (n, n);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	403
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	404 FloatComplex *s = schur_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	405 FloatComplex *q = unitary_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	406
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	407 Array<float> rwork (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	408 float *prwork = rwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	409
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	410 Array<FloatComplex> w (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	411 FloatComplex *pw = w.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	412
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	413 Array<FloatComplex> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	414 FloatComplex *pwork = work.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	415
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	416 // BWORK is not referenced for non-ordered Schur.
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	417 octave_idx_type ntmp = (ord_char == 'N' \|\| ord_char == 'n') ? 0 : n;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	418 Array<octave_idx_type> bwork (dim_vector (ntmp, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	419 octave_idx_type *pbwork = bwork.fortran_vec ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	420
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	421 F77_XFCN (cgeesx, CGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	422 F77_CONST_CHAR_ARG2 (&sort, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	423 selector,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	424 F77_CONST_CHAR_ARG2 (&sense, 1),
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	425 n, F77_CMPLX_ARG (s), n, sdim, F77_CMPLX_ARG (pw), F77_CMPLX_ARG (q), n, rconde,
4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	426 rcondv,
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	427 F77_CMPLX_ARG (pwork), lwork, prwork, pbwork, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	428 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	429 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	430 F77_CHAR_ARG_LEN (1)));
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	431
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	432 return info;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	433 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	434
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	435 template <>
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	436 schur<FloatComplexMatrix>
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	437 rsf2csf<FloatComplexMatrix, FloatMatrix> (const FloatMatrix& s_arg,
4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	438 const FloatMatrix& u_arg)
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	439 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	440 FloatComplexMatrix s (s_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	441 FloatComplexMatrix u (u_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	442
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	443 octave_idx_type n = s.rows ();
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	444
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	445 if (s.columns () != n \|\| u.rows () != n \|\| u.columns () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	446 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	447 ("rsf2csf: inconsistent matrix dimensions");
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	448
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	449 if (n > 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	450 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	451 OCTAVE_LOCAL_BUFFER (float, c, n-1);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	452 OCTAVE_LOCAL_BUFFER (float, sx, n-1);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	453
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	454 F77_XFCN (crsf2csf, CRSF2CSF, (n, F77_CMPLX_ARG (s.fortran_vec ()),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	455 F77_CMPLX_ARG (u.fortran_vec ()), c, sx));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	456 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	457
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	458 return schur<FloatComplexMatrix> (s, u);
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	459 }
e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	460
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	461 // Instantiations we need.
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	462
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	463 template class schur<ComplexMatrix>;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	464
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	465 template class schur<FloatComplexMatrix>;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	466
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	467 template class schur<FloatMatrix>;
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	468
22329 7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	469 template class schur<Matrix>;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files. John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	470 }
21266 e69eaee28737 make better use of templates for Schur decomposition John W. Eaton <jwe@octave.org> parents: 21202 diff changeset	471 }
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22329 diff changeset	472

Mercurial > octave

annotate liboctave/numeric/schur.cc @ 22402:4caa7b28d183