Mercurial > octave
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 |
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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) |