comparison liboctave/numeric/hess.cc @ 31607:aac27ad79be6 stable

maint: Re-indent code after switch to using namespace macros. * build-env.h, build-env.in.cc, Cell.h, __betainc__.cc, __eigs__.cc, __ftp__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __magick_read__.cc, __pchip_deriv__.cc, amd.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, dasrt.cc, data.cc, debug.cc, defaults.cc, defaults.h, det.cc, display.cc, display.h, dlmread.cc, dynamic-ld.cc, dynamic-ld.h, 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, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, gsvd.cc, gtk-manager.cc, gtk-manager.h, help.cc, help.h, 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, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-hdf5.cc, ls-mat4.cc, ls-mat5.cc, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mexproto.h, mxarray.h, mxtypes.in.h, oct-errno.in.cc, oct-hdf5-types.cc, oct-hist.cc, oct-hist.h, oct-map.cc, oct-map.h, oct-opengl.h, oct-prcstrm.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h, octave-default-image.h, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-output.cc, psi.cc, qr.cc, quadcc.cc, rand.cc, regexp.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xpow.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfns.cc, svd.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, __delaunayn__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audioread.cc, convhulln.cc, gzip.cc, 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-diag.cc, ov-base-int.cc, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.h, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-intx.h, ov-java.cc, ov-lazy-idx.cc, ov-legacy-range.cc, ov-magic-int.cc, ov-mex-fcn.cc, ov-mex-fcn.h, ov-null-mat.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-mat.h, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, ovl.h, octave.cc, octave.h, op-b-sbm.cc, op-bm-sbm.cc, op-cs-scm.cc, op-fm-fcm.cc, op-fs-fcm.cc, op-s-scm.cc, op-scm-cs.cc, op-scm-s.cc, op-sm-cs.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, oct-lvalue.cc, oct-lvalue.h, 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-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: Re-indent code after switch to using namespace macros.
author Rik <rik@octave.org>
date Thu, 01 Dec 2022 18:02:15 -0800
parents e88a07dec498
children 597f3ee61a48
comparison
equal deleted inserted replaced
31605:e88a07dec498 31607:aac27ad79be6
38 38
39 OCTAVE_BEGIN_NAMESPACE(octave) 39 OCTAVE_BEGIN_NAMESPACE(octave)
40 40
41 OCTAVE_BEGIN_NAMESPACE(math) 41 OCTAVE_BEGIN_NAMESPACE(math)
42 42
43 template <> 43 template <>
44 OCTAVE_API octave_idx_type 44 OCTAVE_API octave_idx_type
45 hess<Matrix>::init (const Matrix& a) 45 hess<Matrix>::init (const Matrix& a)
46 {
47 F77_INT a_nr = to_f77_int (a.rows ());
48 F77_INT a_nc = to_f77_int (a.cols ());
49
50 if (a_nr != a_nc)
51 (*current_liboctave_error_handler) ("hess: requires square matrix");
52
53 char job = 'N';
54 char side = 'R';
55
56 F77_INT n = a_nc;
57 F77_INT lwork = 32 * n;
58 F77_INT info;
59 F77_INT ilo;
60 F77_INT ihi;
61
62 m_hess_mat = a;
63 double *h = m_hess_mat.fortran_vec ();
64
65 Array<double> scale (dim_vector (n, 1));
66 double *pscale = scale.fortran_vec ();
67
68 F77_XFCN (dgebal, DGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
69 n, h, n, ilo, ihi, pscale, info
70 F77_CHAR_ARG_LEN (1)));
71
72 Array<double> tau (dim_vector (n-1, 1));
73 double *ptau = tau.fortran_vec ();
74
75 Array<double> work (dim_vector (lwork, 1));
76 double *pwork = work.fortran_vec ();
77
78 F77_XFCN (dgehrd, DGEHRD, (n, ilo, ihi, h, n, ptau, pwork,
79 lwork, info));
80
81 m_unitary_hess_mat = m_hess_mat;
82 double *z = m_unitary_hess_mat.fortran_vec ();
83
84 F77_XFCN (dorghr, DORGHR, (n, ilo, ihi, z, n, ptau, pwork,
85 lwork, info));
86
87 F77_XFCN (dgebak, DGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
88 F77_CONST_CHAR_ARG2 (&side, 1),
89 n, ilo, ihi, pscale, n, z,
90 n, info
91 F77_CHAR_ARG_LEN (1)
92 F77_CHAR_ARG_LEN (1)));
93
94 // If someone thinks of a more graceful way of doing
95 // this (or faster for that matter :-)), please let
96 // me know!
97
98 if (n > 2)
99 for (F77_INT j = 0; j < a_nc; j++)
100 for (F77_INT i = j+2; i < a_nr; i++)
101 m_hess_mat.elem (i, j) = 0;
102
103 return info;
104 }
105
106 template <>
107 OCTAVE_API octave_idx_type
108 hess<FloatMatrix>::init (const FloatMatrix& a)
109 {
110 F77_INT a_nr = to_f77_int (a.rows ());
111 F77_INT a_nc = to_f77_int (a.cols ());
112
113 if (a_nr != a_nc)
114 (*current_liboctave_error_handler) ("hess: requires square matrix");
115
116 char job = 'N';
117 char side = 'R';
118
119 F77_INT n = a_nc;
120 F77_INT lwork = 32 * n;
121 F77_INT info;
122 F77_INT ilo;
123 F77_INT ihi;
124
125 m_hess_mat = a;
126 float *h = m_hess_mat.fortran_vec ();
127
128 Array<float> scale (dim_vector (n, 1));
129 float *pscale = scale.fortran_vec ();
130
131 F77_XFCN (sgebal, SGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
132 n, h, n, ilo, ihi, pscale, info
133 F77_CHAR_ARG_LEN (1)));
134
135 Array<float> tau (dim_vector (n-1, 1));
136 float *ptau = tau.fortran_vec ();
137
138 Array<float> work (dim_vector (lwork, 1));
139 float *pwork = work.fortran_vec ();
140
141 F77_XFCN (sgehrd, SGEHRD, (n, ilo, ihi, h, n, ptau, pwork,
142 lwork, info));
143
144 m_unitary_hess_mat = m_hess_mat;
145 float *z = m_unitary_hess_mat.fortran_vec ();
146
147 F77_XFCN (sorghr, SORGHR, (n, ilo, ihi, z, n, ptau, pwork,
148 lwork, info));
149
150 F77_XFCN (sgebak, SGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
151 F77_CONST_CHAR_ARG2 (&side, 1),
152 n, ilo, ihi, pscale, n, z,
153 n, info
154 F77_CHAR_ARG_LEN (1)
155 F77_CHAR_ARG_LEN (1)));
156
157 // If someone thinks of a more graceful way of doing
158 // this (or faster for that matter :-)), please let
159 // me know!
160
161 if (n > 2)
162 for (F77_INT j = 0; j < a_nc; j++)
163 for (F77_INT i = j+2; i < a_nr; i++)
164 m_hess_mat.elem (i, j) = 0;
165
166 return info;
167 }
168
169 template <>
170 OCTAVE_API octave_idx_type
171 hess<ComplexMatrix>::init (const ComplexMatrix& a)
172 {
173 F77_INT a_nr = to_f77_int (a.rows ());
174 F77_INT a_nc = to_f77_int (a.cols ());
175
176 if (a_nr != a_nc)
177 (*current_liboctave_error_handler) ("hess: requires square matrix");
178
179 char job = 'N';
180 char side = 'R';
181
182 F77_INT n = a_nc;
183 F77_INT lwork = 32 * n;
184 F77_INT info;
185 F77_INT ilo;
186 F77_INT ihi;
187
188 m_hess_mat = a;
189 Complex *h = m_hess_mat.fortran_vec ();
190
191 Array<double> scale (dim_vector (n, 1));
192 double *pscale = scale.fortran_vec ();
193
194 F77_XFCN (zgebal, ZGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
195 n, F77_DBLE_CMPLX_ARG (h), n, ilo, ihi, pscale, info
196 F77_CHAR_ARG_LEN (1)));
197
198 Array<Complex> tau (dim_vector (n-1, 1));
199 Complex *ptau = tau.fortran_vec ();
200
201 Array<Complex> work (dim_vector (lwork, 1));
202 Complex *pwork = work.fortran_vec ();
203
204 F77_XFCN (zgehrd, ZGEHRD, (n, ilo, ihi, F77_DBLE_CMPLX_ARG (h), n,
205 F77_DBLE_CMPLX_ARG (ptau), F77_DBLE_CMPLX_ARG (pwork), lwork, info));
206
207 m_unitary_hess_mat = m_hess_mat;
208 Complex *z = m_unitary_hess_mat.fortran_vec ();
209
210 F77_XFCN (zunghr, ZUNGHR, (n, ilo, ihi, F77_DBLE_CMPLX_ARG (z), n,
211 F77_DBLE_CMPLX_ARG (ptau), F77_DBLE_CMPLX_ARG (pwork),
212 lwork, info));
213
214 F77_XFCN (zgebak, ZGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
215 F77_CONST_CHAR_ARG2 (&side, 1),
216 n, ilo, ihi, pscale, n, F77_DBLE_CMPLX_ARG (z), n, info
217 F77_CHAR_ARG_LEN (1)
218 F77_CHAR_ARG_LEN (1)));
219
220 // If someone thinks of a more graceful way of
221 // doing this (or faster for that matter :-)),
222 // please let me know!
223
224 if (n > 2)
225 for (F77_INT j = 0; j < a_nc; j++)
226 for (F77_INT i = j+2; i < a_nr; i++)
227 m_hess_mat.elem (i, j) = 0;
228
229 return info;
230 }
231
232 template <>
233 OCTAVE_API octave_idx_type
234 hess<FloatComplexMatrix>::init (const FloatComplexMatrix& a)
235 {
236 F77_INT a_nr = to_f77_int (a.rows ());
237 F77_INT a_nc = to_f77_int (a.cols ());
238
239 if (a_nr != a_nc)
46 { 240 {
47 F77_INT a_nr = to_f77_int (a.rows ()); 241 (*current_liboctave_error_handler) ("hess: requires square matrix");
48 F77_INT a_nc = to_f77_int (a.cols ()); 242 return -1;
49
50 if (a_nr != a_nc)
51 (*current_liboctave_error_handler) ("hess: requires square matrix");
52
53 char job = 'N';
54 char side = 'R';
55
56 F77_INT n = a_nc;
57 F77_INT lwork = 32 * n;
58 F77_INT info;
59 F77_INT ilo;
60 F77_INT ihi;
61
62 m_hess_mat = a;
63 double *h = m_hess_mat.fortran_vec ();
64
65 Array<double> scale (dim_vector (n, 1));
66 double *pscale = scale.fortran_vec ();
67
68 F77_XFCN (dgebal, DGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
69 n, h, n, ilo, ihi, pscale, info
70 F77_CHAR_ARG_LEN (1)));
71
72 Array<double> tau (dim_vector (n-1, 1));
73 double *ptau = tau.fortran_vec ();
74
75 Array<double> work (dim_vector (lwork, 1));
76 double *pwork = work.fortran_vec ();
77
78 F77_XFCN (dgehrd, DGEHRD, (n, ilo, ihi, h, n, ptau, pwork,
79 lwork, info));
80
81 m_unitary_hess_mat = m_hess_mat;
82 double *z = m_unitary_hess_mat.fortran_vec ();
83
84 F77_XFCN (dorghr, DORGHR, (n, ilo, ihi, z, n, ptau, pwork,
85 lwork, info));
86
87 F77_XFCN (dgebak, DGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
88 F77_CONST_CHAR_ARG2 (&side, 1),
89 n, ilo, ihi, pscale, n, z,
90 n, info
91 F77_CHAR_ARG_LEN (1)
92 F77_CHAR_ARG_LEN (1)));
93
94 // If someone thinks of a more graceful way of doing
95 // this (or faster for that matter :-)), please let
96 // me know!
97
98 if (n > 2)
99 for (F77_INT j = 0; j < a_nc; j++)
100 for (F77_INT i = j+2; i < a_nr; i++)
101 m_hess_mat.elem (i, j) = 0;
102
103 return info;
104 } 243 }
105 244
106 template <> 245 char job = 'N';
107 OCTAVE_API octave_idx_type 246 char side = 'R';
108 hess<FloatMatrix>::init (const FloatMatrix& a) 247
109 { 248 F77_INT n = a_nc;
110 F77_INT a_nr = to_f77_int (a.rows ()); 249 F77_INT lwork = 32 * n;
111 F77_INT a_nc = to_f77_int (a.cols ()); 250 F77_INT info;
112 251 F77_INT ilo;
113 if (a_nr != a_nc) 252 F77_INT ihi;
114 (*current_liboctave_error_handler) ("hess: requires square matrix"); 253
115 254 m_hess_mat = a;
116 char job = 'N'; 255 FloatComplex *h = m_hess_mat.fortran_vec ();
117 char side = 'R'; 256
118 257 Array<float> scale (dim_vector (n, 1));
119 F77_INT n = a_nc; 258 float *pscale = scale.fortran_vec ();
120 F77_INT lwork = 32 * n; 259
121 F77_INT info; 260 F77_XFCN (cgebal, CGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
122 F77_INT ilo; 261 n, F77_CMPLX_ARG (h), n, ilo, ihi, pscale, info
123 F77_INT ihi; 262 F77_CHAR_ARG_LEN (1)));
124 263
125 m_hess_mat = a; 264 Array<FloatComplex> tau (dim_vector (n-1, 1));
126 float *h = m_hess_mat.fortran_vec (); 265 FloatComplex *ptau = tau.fortran_vec ();
127 266
128 Array<float> scale (dim_vector (n, 1)); 267 Array<FloatComplex> work (dim_vector (lwork, 1));
129 float *pscale = scale.fortran_vec (); 268 FloatComplex *pwork = work.fortran_vec ();
130 269
131 F77_XFCN (sgebal, SGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1), 270 F77_XFCN (cgehrd, CGEHRD, (n, ilo, ihi, F77_CMPLX_ARG (h), n,
132 n, h, n, ilo, ihi, pscale, info 271 F77_CMPLX_ARG (ptau), F77_CMPLX_ARG (pwork), lwork, info));
133 F77_CHAR_ARG_LEN (1))); 272
134 273 m_unitary_hess_mat = m_hess_mat;
135 Array<float> tau (dim_vector (n-1, 1)); 274 FloatComplex *z = m_unitary_hess_mat.fortran_vec ();
136 float *ptau = tau.fortran_vec (); 275
137 276 F77_XFCN (cunghr, CUNGHR, (n, ilo, ihi, F77_CMPLX_ARG (z), n,
138 Array<float> work (dim_vector (lwork, 1)); 277 F77_CMPLX_ARG (ptau), F77_CMPLX_ARG (pwork),
139 float *pwork = work.fortran_vec (); 278 lwork, info));
140 279
141 F77_XFCN (sgehrd, SGEHRD, (n, ilo, ihi, h, n, ptau, pwork, 280 F77_XFCN (cgebak, CGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
142 lwork, info)); 281 F77_CONST_CHAR_ARG2 (&side, 1),
143 282 n, ilo, ihi, pscale, n, F77_CMPLX_ARG (z), n, info
144 m_unitary_hess_mat = m_hess_mat; 283 F77_CHAR_ARG_LEN (1)
145 float *z = m_unitary_hess_mat.fortran_vec (); 284 F77_CHAR_ARG_LEN (1)));
146 285
147 F77_XFCN (sorghr, SORGHR, (n, ilo, ihi, z, n, ptau, pwork, 286 // If someone thinks of a more graceful way of
148 lwork, info)); 287 // doing this (or faster for that matter :-)),
149 288 // please let me know!
150 F77_XFCN (sgebak, SGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1), 289
151 F77_CONST_CHAR_ARG2 (&side, 1), 290 if (n > 2)
152 n, ilo, ihi, pscale, n, z, 291 for (F77_INT j = 0; j < a_nc; j++)
153 n, info 292 for (F77_INT i = j+2; i < a_nr; i++)
154 F77_CHAR_ARG_LEN (1) 293 m_hess_mat.elem (i, j) = 0;
155 F77_CHAR_ARG_LEN (1))); 294
156 295 return info;
157 // If someone thinks of a more graceful way of doing 296 }
158 // this (or faster for that matter :-)), please let
159 // me know!
160
161 if (n > 2)
162 for (F77_INT j = 0; j < a_nc; j++)
163 for (F77_INT i = j+2; i < a_nr; i++)
164 m_hess_mat.elem (i, j) = 0;
165
166 return info;
167 }
168
169 template <>
170 OCTAVE_API octave_idx_type
171 hess<ComplexMatrix>::init (const ComplexMatrix& a)
172 {
173 F77_INT a_nr = to_f77_int (a.rows ());
174 F77_INT a_nc = to_f77_int (a.cols ());
175
176 if (a_nr != a_nc)
177 (*current_liboctave_error_handler) ("hess: requires square matrix");
178
179 char job = 'N';
180 char side = 'R';
181
182 F77_INT n = a_nc;
183 F77_INT lwork = 32 * n;
184 F77_INT info;
185 F77_INT ilo;
186 F77_INT ihi;
187
188 m_hess_mat = a;
189 Complex *h = m_hess_mat.fortran_vec ();
190
191 Array<double> scale (dim_vector (n, 1));
192 double *pscale = scale.fortran_vec ();
193
194 F77_XFCN (zgebal, ZGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
195 n, F77_DBLE_CMPLX_ARG (h), n, ilo, ihi, pscale, info
196 F77_CHAR_ARG_LEN (1)));
197
198 Array<Complex> tau (dim_vector (n-1, 1));
199 Complex *ptau = tau.fortran_vec ();
200
201 Array<Complex> work (dim_vector (lwork, 1));
202 Complex *pwork = work.fortran_vec ();
203
204 F77_XFCN (zgehrd, ZGEHRD, (n, ilo, ihi, F77_DBLE_CMPLX_ARG (h), n,
205 F77_DBLE_CMPLX_ARG (ptau), F77_DBLE_CMPLX_ARG (pwork), lwork, info));
206
207 m_unitary_hess_mat = m_hess_mat;
208 Complex *z = m_unitary_hess_mat.fortran_vec ();
209
210 F77_XFCN (zunghr, ZUNGHR, (n, ilo, ihi, F77_DBLE_CMPLX_ARG (z), n,
211 F77_DBLE_CMPLX_ARG (ptau), F77_DBLE_CMPLX_ARG (pwork),
212 lwork, info));
213
214 F77_XFCN (zgebak, ZGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
215 F77_CONST_CHAR_ARG2 (&side, 1),
216 n, ilo, ihi, pscale, n, F77_DBLE_CMPLX_ARG (z), n, info
217 F77_CHAR_ARG_LEN (1)
218 F77_CHAR_ARG_LEN (1)));
219
220 // If someone thinks of a more graceful way of
221 // doing this (or faster for that matter :-)),
222 // please let me know!
223
224 if (n > 2)
225 for (F77_INT j = 0; j < a_nc; j++)
226 for (F77_INT i = j+2; i < a_nr; i++)
227 m_hess_mat.elem (i, j) = 0;
228
229 return info;
230 }
231
232 template <>
233 OCTAVE_API octave_idx_type
234 hess<FloatComplexMatrix>::init (const FloatComplexMatrix& a)
235 {
236 F77_INT a_nr = to_f77_int (a.rows ());
237 F77_INT a_nc = to_f77_int (a.cols ());
238
239 if (a_nr != a_nc)
240 {
241 (*current_liboctave_error_handler) ("hess: requires square matrix");
242 return -1;
243 }
244
245 char job = 'N';
246 char side = 'R';
247
248 F77_INT n = a_nc;
249 F77_INT lwork = 32 * n;
250 F77_INT info;
251 F77_INT ilo;
252 F77_INT ihi;
253
254 m_hess_mat = a;
255 FloatComplex *h = m_hess_mat.fortran_vec ();
256
257 Array<float> scale (dim_vector (n, 1));
258 float *pscale = scale.fortran_vec ();
259
260 F77_XFCN (cgebal, CGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
261 n, F77_CMPLX_ARG (h), n, ilo, ihi, pscale, info
262 F77_CHAR_ARG_LEN (1)));
263
264 Array<FloatComplex> tau (dim_vector (n-1, 1));
265 FloatComplex *ptau = tau.fortran_vec ();
266
267 Array<FloatComplex> work (dim_vector (lwork, 1));
268 FloatComplex *pwork = work.fortran_vec ();
269
270 F77_XFCN (cgehrd, CGEHRD, (n, ilo, ihi, F77_CMPLX_ARG (h), n,
271 F77_CMPLX_ARG (ptau), F77_CMPLX_ARG (pwork), lwork, info));
272
273 m_unitary_hess_mat = m_hess_mat;
274 FloatComplex *z = m_unitary_hess_mat.fortran_vec ();
275
276 F77_XFCN (cunghr, CUNGHR, (n, ilo, ihi, F77_CMPLX_ARG (z), n,
277 F77_CMPLX_ARG (ptau), F77_CMPLX_ARG (pwork),
278 lwork, info));
279
280 F77_XFCN (cgebak, CGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
281 F77_CONST_CHAR_ARG2 (&side, 1),
282 n, ilo, ihi, pscale, n, F77_CMPLX_ARG (z), n, info
283 F77_CHAR_ARG_LEN (1)
284 F77_CHAR_ARG_LEN (1)));
285
286 // If someone thinks of a more graceful way of
287 // doing this (or faster for that matter :-)),
288 // please let me know!
289
290 if (n > 2)
291 for (F77_INT j = 0; j < a_nc; j++)
292 for (F77_INT i = j+2; i < a_nr; i++)
293 m_hess_mat.elem (i, j) = 0;
294
295 return info;
296 }
297 297
298 OCTAVE_END_NAMESPACE(math) 298 OCTAVE_END_NAMESPACE(math)
299 OCTAVE_END_NAMESPACE(octave) 299 OCTAVE_END_NAMESPACE(octave)