Mercurial > octave
diff liboctave/numeric/gsvd.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 |
line wrap: on
line diff
--- a/liboctave/numeric/gsvd.cc Thu Dec 01 14:23:45 2022 -0800 +++ b/liboctave/numeric/gsvd.cc Thu Dec 01 18:02:15 2022 -0800 @@ -44,655 +44,655 @@ OCTAVE_BEGIN_NAMESPACE(octave) - static std::unordered_map<std::string, void *> gsvd_fcn; +static std::unordered_map<std::string, void *> gsvd_fcn; - static bool have_DGGSVD3 = false; - static bool gsvd_initialized = false; +static bool have_DGGSVD3 = false; +static bool gsvd_initialized = false; - /* Hack to stringize results of F77_FUNC macro. */ - #define xSTRINGIZE(x) #x - #define STRINGIZE(x) xSTRINGIZE(x) +/* Hack to stringize results of F77_FUNC macro. */ +#define xSTRINGIZE(x) #x +#define STRINGIZE(x) xSTRINGIZE(x) - static void initialize_gsvd (void) - { - if (gsvd_initialized) - return; +static void initialize_gsvd (void) +{ + if (gsvd_initialized) + return; - dynamic_library libs (""); - if (! libs) - (*current_liboctave_error_handler) - ("gsvd: unable to query LAPACK library"); + dynamic_library libs (""); + if (! libs) + (*current_liboctave_error_handler) + ("gsvd: unable to query LAPACK library"); - have_DGGSVD3 = (libs.search (STRINGIZE (F77_FUNC (dggsvd3, DGGSVD3))) - != nullptr); + have_DGGSVD3 = (libs.search (STRINGIZE (F77_FUNC (dggsvd3, DGGSVD3))) + != nullptr); - if (have_DGGSVD3) - { - gsvd_fcn["dg"] = libs.search (STRINGIZE (F77_FUNC (dggsvd3, DGGSVD3))); - gsvd_fcn["sg"] = libs.search (STRINGIZE (F77_FUNC (sggsvd3, SGGSVD3))); - gsvd_fcn["zg"] = libs.search (STRINGIZE (F77_FUNC (zggsvd3, ZGGSVD3))); - gsvd_fcn["cg"] = libs.search (STRINGIZE (F77_FUNC (cggsvd3, CGGSVD3))); - } - else - { - gsvd_fcn["dg"] = libs.search (STRINGIZE (F77_FUNC (dggsvd, DGGSVD))); - gsvd_fcn["sg"] = libs.search (STRINGIZE (F77_FUNC (sggsvd, SGGSVD))); - gsvd_fcn["zg"] = libs.search (STRINGIZE (F77_FUNC (zggsvd, ZGGSVD))); - gsvd_fcn["cg"] = libs.search (STRINGIZE (F77_FUNC (cggsvd, CGGSVD))); - } + if (have_DGGSVD3) + { + gsvd_fcn["dg"] = libs.search (STRINGIZE (F77_FUNC (dggsvd3, DGGSVD3))); + gsvd_fcn["sg"] = libs.search (STRINGIZE (F77_FUNC (sggsvd3, SGGSVD3))); + gsvd_fcn["zg"] = libs.search (STRINGIZE (F77_FUNC (zggsvd3, ZGGSVD3))); + gsvd_fcn["cg"] = libs.search (STRINGIZE (F77_FUNC (cggsvd3, CGGSVD3))); + } + else + { + gsvd_fcn["dg"] = libs.search (STRINGIZE (F77_FUNC (dggsvd, DGGSVD))); + gsvd_fcn["sg"] = libs.search (STRINGIZE (F77_FUNC (sggsvd, SGGSVD))); + gsvd_fcn["zg"] = libs.search (STRINGIZE (F77_FUNC (zggsvd, ZGGSVD))); + gsvd_fcn["cg"] = libs.search (STRINGIZE (F77_FUNC (cggsvd, CGGSVD))); + } - gsvd_initialized = true; - } + gsvd_initialized = true; +} - /* Clean up macro namespace as soon as we are done using them */ - #undef xSTRINGIZE - #undef STRINGIZE +/* Clean up macro namespace as soon as we are done using them */ +#undef xSTRINGIZE +#undef STRINGIZE - template<class T1> - struct real_ggsvd_ptr - { - typedef F77_RET_T (*type) +template<class T1> +struct real_ggsvd_ptr +{ + typedef F77_RET_T (*type) (F77_CONST_CHAR_ARG_DECL, // JOBU - F77_CONST_CHAR_ARG_DECL, // JOBV - F77_CONST_CHAR_ARG_DECL, // JOBQ - const F77_INT&, // M - const F77_INT&, // N - const F77_INT&, // P - F77_INT&, // K - F77_INT&, // L - T1 *, // A(LDA,N) - const F77_INT&, // LDA - T1 *, // B(LDB,N) - const F77_INT&, // LDB - T1 *, // ALPHA(N) - T1 *, // BETA(N) - T1 *, // U(LDU,M) - const F77_INT&, // LDU - T1 *, // V(LDV,P) - const F77_INT&, // LDV - T1 *, // Q(LDQ,N) - const F77_INT&, // LDQ - T1 *, // WORK - F77_INT *, // IWORK(N) - F77_INT& // INFO - F77_CHAR_ARG_LEN_DECL - F77_CHAR_ARG_LEN_DECL - F77_CHAR_ARG_LEN_DECL); - }; + F77_CONST_CHAR_ARG_DECL, // JOBV + F77_CONST_CHAR_ARG_DECL, // JOBQ + const F77_INT&, // M + const F77_INT&, // N + const F77_INT&, // P + F77_INT&, // K + F77_INT&, // L + T1 *, // A(LDA,N) + const F77_INT&, // LDA + T1 *, // B(LDB,N) + const F77_INT&, // LDB + T1 *, // ALPHA(N) + T1 *, // BETA(N) + T1 *, // U(LDU,M) + const F77_INT&, // LDU + T1 *, // V(LDV,P) + const F77_INT&, // LDV + T1 *, // Q(LDQ,N) + const F77_INT&, // LDQ + T1 *, // WORK + F77_INT *, // IWORK(N) + F77_INT& // INFO + F77_CHAR_ARG_LEN_DECL + F77_CHAR_ARG_LEN_DECL + F77_CHAR_ARG_LEN_DECL); +}; - template<class T1> - struct real_ggsvd3_ptr - { - typedef F77_RET_T (*type) +template<class T1> +struct real_ggsvd3_ptr +{ + typedef F77_RET_T (*type) (F77_CONST_CHAR_ARG_DECL, // JOBU - F77_CONST_CHAR_ARG_DECL, // JOBV - F77_CONST_CHAR_ARG_DECL, // JOBQ - const F77_INT&, // M - const F77_INT&, // N - const F77_INT&, // P - F77_INT&, // K - F77_INT&, // L - T1 *, // A(LDA,N) - const F77_INT&, // LDA - T1 *, // B(LDB,N) - const F77_INT&, // LDB - T1 *, // ALPHA(N) - T1 *, // BETA(N) - T1 *, // U(LDU,M) - const F77_INT&, // LDU - T1 *, // V(LDV,P) - const F77_INT&, // LDV - T1 *, // Q(LDQ,N) - const F77_INT&, // LDQ - T1 *, // WORK - const F77_INT&, // LWORK - F77_INT *, // IWORK(N) - F77_INT& // INFO - F77_CHAR_ARG_LEN_DECL - F77_CHAR_ARG_LEN_DECL - F77_CHAR_ARG_LEN_DECL); - }; + F77_CONST_CHAR_ARG_DECL, // JOBV + F77_CONST_CHAR_ARG_DECL, // JOBQ + const F77_INT&, // M + const F77_INT&, // N + const F77_INT&, // P + F77_INT&, // K + F77_INT&, // L + T1 *, // A(LDA,N) + const F77_INT&, // LDA + T1 *, // B(LDB,N) + const F77_INT&, // LDB + T1 *, // ALPHA(N) + T1 *, // BETA(N) + T1 *, // U(LDU,M) + const F77_INT&, // LDU + T1 *, // V(LDV,P) + const F77_INT&, // LDV + T1 *, // Q(LDQ,N) + const F77_INT&, // LDQ + T1 *, // WORK + const F77_INT&, // LWORK + F77_INT *, // IWORK(N) + F77_INT& // INFO + F77_CHAR_ARG_LEN_DECL + F77_CHAR_ARG_LEN_DECL + F77_CHAR_ARG_LEN_DECL); +}; - template<class T1, class T2> - struct comp_ggsvd_ptr - { - typedef F77_RET_T (*type) +template<class T1, class T2> +struct comp_ggsvd_ptr +{ + typedef F77_RET_T (*type) (F77_CONST_CHAR_ARG_DECL, // JOBU - F77_CONST_CHAR_ARG_DECL, // JOBV - F77_CONST_CHAR_ARG_DECL, // JOBQ - const F77_INT&, // M - const F77_INT&, // N - const F77_INT&, // P - F77_INT&, // K - F77_INT&, // L - T1 *, // A(LDA,N) - const F77_INT&, // LDA - T1 *, // B(LDB,N) - const F77_INT&, // LDB - T2 *, // ALPHA(N) - T2 *, // BETA(N) - T1 *, // U(LDU,M) - const F77_INT&, // LDU - T1 *, // V(LDV,P) - const F77_INT&, // LDV - T1 *, // Q(LDQ,N) - const F77_INT&, // LDQ - T1 *, // WORK - T2 *, // RWORK - F77_INT *, // IWORK(N) - F77_INT& // INFO - F77_CHAR_ARG_LEN_DECL - F77_CHAR_ARG_LEN_DECL - F77_CHAR_ARG_LEN_DECL); - }; + F77_CONST_CHAR_ARG_DECL, // JOBV + F77_CONST_CHAR_ARG_DECL, // JOBQ + const F77_INT&, // M + const F77_INT&, // N + const F77_INT&, // P + F77_INT&, // K + F77_INT&, // L + T1 *, // A(LDA,N) + const F77_INT&, // LDA + T1 *, // B(LDB,N) + const F77_INT&, // LDB + T2 *, // ALPHA(N) + T2 *, // BETA(N) + T1 *, // U(LDU,M) + const F77_INT&, // LDU + T1 *, // V(LDV,P) + const F77_INT&, // LDV + T1 *, // Q(LDQ,N) + const F77_INT&, // LDQ + T1 *, // WORK + T2 *, // RWORK + F77_INT *, // IWORK(N) + F77_INT& // INFO + F77_CHAR_ARG_LEN_DECL + F77_CHAR_ARG_LEN_DECL + F77_CHAR_ARG_LEN_DECL); +}; - template<class T1, class T2> - struct comp_ggsvd3_ptr - { - typedef F77_RET_T (*type) +template<class T1, class T2> +struct comp_ggsvd3_ptr +{ + typedef F77_RET_T (*type) (F77_CONST_CHAR_ARG_DECL, // JOBU - F77_CONST_CHAR_ARG_DECL, // JOBV - F77_CONST_CHAR_ARG_DECL, // JOBQ - const F77_INT&, // M - const F77_INT&, // N - const F77_INT&, // P - F77_INT&, // K - F77_INT&, // L - T1 *, // A(LDA,N) - const F77_INT&, // LDA - T1 *, // B(LDB,N) - const F77_INT&, // LDB - T2 *, // ALPHA(N) - T2 *, // BETA(N) - T1 *, // U(LDU,M) - const F77_INT&, // LDU - T1 *, // V(LDV,P) - const F77_INT&, // LDV - T1 *, // Q(LDQ,N) - const F77_INT&, // LDQ - T1 *, // WORK - const F77_INT&, // LWORK - T2 *, // RWORK - F77_INT *, // IWORK(N) - F77_INT& // INFO - F77_CHAR_ARG_LEN_DECL - F77_CHAR_ARG_LEN_DECL - F77_CHAR_ARG_LEN_DECL); - }; + F77_CONST_CHAR_ARG_DECL, // JOBV + F77_CONST_CHAR_ARG_DECL, // JOBQ + const F77_INT&, // M + const F77_INT&, // N + const F77_INT&, // P + F77_INT&, // K + F77_INT&, // L + T1 *, // A(LDA,N) + const F77_INT&, // LDA + T1 *, // B(LDB,N) + const F77_INT&, // LDB + T2 *, // ALPHA(N) + T2 *, // BETA(N) + T1 *, // U(LDU,M) + const F77_INT&, // LDU + T1 *, // V(LDV,P) + const F77_INT&, // LDV + T1 *, // Q(LDQ,N) + const F77_INT&, // LDQ + T1 *, // WORK + const F77_INT&, // LWORK + T2 *, // RWORK + F77_INT *, // IWORK(N) + F77_INT& // INFO + F77_CHAR_ARG_LEN_DECL + F77_CHAR_ARG_LEN_DECL + F77_CHAR_ARG_LEN_DECL); +}; - // template specializations - typedef real_ggsvd_ptr<F77_DBLE>::type dggsvd_type; - typedef real_ggsvd3_ptr<F77_DBLE>::type dggsvd3_type; - typedef real_ggsvd_ptr<F77_REAL>::type sggsvd_type; - typedef real_ggsvd3_ptr<F77_REAL>::type sggsvd3_type; - typedef comp_ggsvd_ptr<F77_DBLE_CMPLX, F77_DBLE>::type zggsvd_type; - typedef comp_ggsvd3_ptr<F77_DBLE_CMPLX, F77_DBLE>::type zggsvd3_type; - typedef comp_ggsvd_ptr<F77_CMPLX, F77_REAL>::type cggsvd_type; - typedef comp_ggsvd3_ptr<F77_CMPLX, F77_REAL>::type cggsvd3_type; +// template specializations +typedef real_ggsvd_ptr<F77_DBLE>::type dggsvd_type; +typedef real_ggsvd3_ptr<F77_DBLE>::type dggsvd3_type; +typedef real_ggsvd_ptr<F77_REAL>::type sggsvd_type; +typedef real_ggsvd3_ptr<F77_REAL>::type sggsvd3_type; +typedef comp_ggsvd_ptr<F77_DBLE_CMPLX, F77_DBLE>::type zggsvd_type; +typedef comp_ggsvd3_ptr<F77_DBLE_CMPLX, F77_DBLE>::type zggsvd3_type; +typedef comp_ggsvd_ptr<F77_CMPLX, F77_REAL>::type cggsvd_type; +typedef comp_ggsvd3_ptr<F77_CMPLX, F77_REAL>::type cggsvd3_type; OCTAVE_BEGIN_NAMESPACE(math) - template <> - void - gsvd<Matrix>::ggsvd (char& jobu, char& jobv, char& jobq, F77_INT m, - F77_INT n, F77_INT p, F77_INT& k, F77_INT& l, - double *tmp_dataA, F77_INT m1, double *tmp_dataB, - F77_INT p1, Matrix& alpha, Matrix& beta, double *u, - F77_INT nrow_u, double *v, F77_INT nrow_v, double *q, - F77_INT nrow_q, double *work, F77_INT lwork, - F77_INT *iwork, F77_INT& info) +template <> +void +gsvd<Matrix>::ggsvd (char& jobu, char& jobv, char& jobq, F77_INT m, + F77_INT n, F77_INT p, F77_INT& k, F77_INT& l, + double *tmp_dataA, F77_INT m1, double *tmp_dataB, + F77_INT p1, Matrix& alpha, Matrix& beta, double *u, + F77_INT nrow_u, double *v, F77_INT nrow_v, double *q, + F77_INT nrow_q, double *work, F77_INT lwork, + F77_INT *iwork, F77_INT& info) +{ + if (! gsvd_initialized) + initialize_gsvd (); + + if (have_DGGSVD3) { - if (! gsvd_initialized) - initialize_gsvd (); + dggsvd3_type f_ptr = reinterpret_cast<dggsvd3_type> (gsvd_fcn["dg"]); + f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), + F77_CONST_CHAR_ARG2 (&jobv, 1), + F77_CONST_CHAR_ARG2 (&jobq, 1), + m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1, + alpha.fortran_vec (), beta.fortran_vec (), + u, nrow_u, v, nrow_v, q, nrow_q, + work, lwork, iwork, info + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1)); + } + else + { + dggsvd_type f_ptr = reinterpret_cast<dggsvd_type> (gsvd_fcn["dg"]); + f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), + F77_CONST_CHAR_ARG2 (&jobv, 1), + F77_CONST_CHAR_ARG2 (&jobq, 1), + m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1, + alpha.fortran_vec (), beta.fortran_vec (), + u, nrow_u, v, nrow_v, q, nrow_q, + work, iwork, info + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1)); + } +} - if (have_DGGSVD3) - { - dggsvd3_type f_ptr = reinterpret_cast<dggsvd3_type> (gsvd_fcn["dg"]); - f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), - F77_CONST_CHAR_ARG2 (&jobv, 1), - F77_CONST_CHAR_ARG2 (&jobq, 1), - m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1, - alpha.fortran_vec (), beta.fortran_vec (), - u, nrow_u, v, nrow_v, q, nrow_q, - work, lwork, iwork, info - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1)); - } - else - { - dggsvd_type f_ptr = reinterpret_cast<dggsvd_type> (gsvd_fcn["dg"]); - f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), - F77_CONST_CHAR_ARG2 (&jobv, 1), - F77_CONST_CHAR_ARG2 (&jobq, 1), - m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1, - alpha.fortran_vec (), beta.fortran_vec (), - u, nrow_u, v, nrow_v, q, nrow_q, - work, iwork, info - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1)); - } +template <> +void +gsvd<FloatMatrix>::ggsvd (char& jobu, char& jobv, char& jobq, F77_INT m, + F77_INT n, F77_INT p, F77_INT& k, F77_INT& l, + float *tmp_dataA, F77_INT m1, float *tmp_dataB, + F77_INT p1, FloatMatrix& alpha, + FloatMatrix& beta, float *u, F77_INT nrow_u, + float *v, F77_INT nrow_v, float *q, + F77_INT nrow_q, float *work, + F77_INT lwork, F77_INT *iwork, F77_INT& info) +{ + if (! gsvd_initialized) + initialize_gsvd (); + + if (have_DGGSVD3) + { + sggsvd3_type f_ptr = reinterpret_cast<sggsvd3_type> (gsvd_fcn["sg"]); + f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), + F77_CONST_CHAR_ARG2 (&jobv, 1), + F77_CONST_CHAR_ARG2 (&jobq, 1), + m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1, + alpha.fortran_vec (), beta.fortran_vec (), + u, nrow_u, v, nrow_v, q, nrow_q, + work, lwork, iwork, info + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1)); } + else + { + sggsvd_type f_ptr = reinterpret_cast<sggsvd_type> (gsvd_fcn["sg"]); + f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), + F77_CONST_CHAR_ARG2 (&jobv, 1), + F77_CONST_CHAR_ARG2 (&jobq, 1), + m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1, + alpha.fortran_vec (), beta.fortran_vec (), + u, nrow_u, v, nrow_v, q, nrow_q, + work, iwork, info + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1)); + } +} - template <> - void - gsvd<FloatMatrix>::ggsvd (char& jobu, char& jobv, char& jobq, F77_INT m, - F77_INT n, F77_INT p, F77_INT& k, F77_INT& l, - float *tmp_dataA, F77_INT m1, float *tmp_dataB, - F77_INT p1, FloatMatrix& alpha, - FloatMatrix& beta, float *u, F77_INT nrow_u, - float *v, F77_INT nrow_v, float *q, - F77_INT nrow_q, float *work, - F77_INT lwork, F77_INT *iwork, F77_INT& info) - { - if (! gsvd_initialized) - initialize_gsvd (); +template <> +void +gsvd<ComplexMatrix>::ggsvd (char& jobu, char& jobv, char& jobq, + F77_INT m, F77_INT n, F77_INT p, F77_INT& k, + F77_INT& l, Complex *tmp_dataA, F77_INT m1, + Complex *tmp_dataB, F77_INT p1, Matrix& alpha, + Matrix& beta, Complex *u, F77_INT nrow_u, + Complex *v, F77_INT nrow_v, Complex *q, + F77_INT nrow_q, Complex *work, + F77_INT lwork, F77_INT *iwork, F77_INT& info) +{ + if (! gsvd_initialized) + initialize_gsvd (); + + OCTAVE_LOCAL_BUFFER(double, rwork, 2*n); - if (have_DGGSVD3) - { - sggsvd3_type f_ptr = reinterpret_cast<sggsvd3_type> (gsvd_fcn["sg"]); - f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), - F77_CONST_CHAR_ARG2 (&jobv, 1), - F77_CONST_CHAR_ARG2 (&jobq, 1), - m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1, - alpha.fortran_vec (), beta.fortran_vec (), - u, nrow_u, v, nrow_v, q, nrow_q, - work, lwork, iwork, info - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1)); - } - else - { - sggsvd_type f_ptr = reinterpret_cast<sggsvd_type> (gsvd_fcn["sg"]); - f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), - F77_CONST_CHAR_ARG2 (&jobv, 1), - F77_CONST_CHAR_ARG2 (&jobq, 1), - m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1, - alpha.fortran_vec (), beta.fortran_vec (), - u, nrow_u, v, nrow_v, q, nrow_q, - work, iwork, info - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1)); - } + if (have_DGGSVD3) + { + zggsvd3_type f_ptr = reinterpret_cast<zggsvd3_type> (gsvd_fcn["zg"]); + f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), + F77_CONST_CHAR_ARG2 (&jobv, 1), + F77_CONST_CHAR_ARG2 (&jobq, 1), + m, n, p, k, l, + F77_DBLE_CMPLX_ARG (tmp_dataA), m1, + F77_DBLE_CMPLX_ARG (tmp_dataB), p1, + alpha.fortran_vec (), beta.fortran_vec (), + F77_DBLE_CMPLX_ARG (u), nrow_u, + F77_DBLE_CMPLX_ARG (v), nrow_v, + F77_DBLE_CMPLX_ARG (q), nrow_q, + F77_DBLE_CMPLX_ARG (work), + lwork, rwork, iwork, info + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1)); + } + else + { + zggsvd_type f_ptr = reinterpret_cast<zggsvd_type> (gsvd_fcn["zg"]); + f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), + F77_CONST_CHAR_ARG2 (&jobv, 1), + F77_CONST_CHAR_ARG2 (&jobq, 1), + m, n, p, k, l, + F77_DBLE_CMPLX_ARG (tmp_dataA), m1, + F77_DBLE_CMPLX_ARG (tmp_dataB), p1, + alpha.fortran_vec (), beta.fortran_vec (), + F77_DBLE_CMPLX_ARG (u), nrow_u, + F77_DBLE_CMPLX_ARG (v), nrow_v, + F77_DBLE_CMPLX_ARG (q), nrow_q, + F77_DBLE_CMPLX_ARG (work), + rwork, iwork, info + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1)); } +} - template <> - void - gsvd<ComplexMatrix>::ggsvd (char& jobu, char& jobv, char& jobq, - F77_INT m, F77_INT n, F77_INT p, F77_INT& k, - F77_INT& l, Complex *tmp_dataA, F77_INT m1, - Complex *tmp_dataB, F77_INT p1, Matrix& alpha, - Matrix& beta, Complex *u, F77_INT nrow_u, - Complex *v, F77_INT nrow_v, Complex *q, - F77_INT nrow_q, Complex *work, - F77_INT lwork, F77_INT *iwork, F77_INT& info) +template <> +void +gsvd<FloatComplexMatrix>::ggsvd (char& jobu, char& jobv, char& jobq, + F77_INT m, F77_INT n, F77_INT p, + F77_INT& k, F77_INT& l, + FloatComplex *tmp_dataA, F77_INT m1, + FloatComplex *tmp_dataB, F77_INT p1, + FloatMatrix& alpha, FloatMatrix& beta, + FloatComplex *u, F77_INT nrow_u, + FloatComplex *v, F77_INT nrow_v, + FloatComplex *q, F77_INT nrow_q, + FloatComplex *work, F77_INT lwork, + F77_INT *iwork, F77_INT& info) +{ + if (! gsvd_initialized) + initialize_gsvd (); + + OCTAVE_LOCAL_BUFFER(float, rwork, 2*n); + + if (have_DGGSVD3) + { + cggsvd3_type f_ptr = reinterpret_cast<cggsvd3_type> (gsvd_fcn["cg"]); + f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), + F77_CONST_CHAR_ARG2 (&jobv, 1), + F77_CONST_CHAR_ARG2 (&jobq, 1), + m, n, p, k, l, + F77_CMPLX_ARG (tmp_dataA), m1, + F77_CMPLX_ARG (tmp_dataB), p1, + alpha.fortran_vec (), beta.fortran_vec (), + F77_CMPLX_ARG (u), nrow_u, + F77_CMPLX_ARG (v), nrow_v, + F77_CMPLX_ARG (q), nrow_q, + F77_CMPLX_ARG (work), lwork, + rwork, iwork, info + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1)); + } + else { - if (! gsvd_initialized) - initialize_gsvd (); + cggsvd_type f_ptr = reinterpret_cast<cggsvd_type> (gsvd_fcn["cg"]); + f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), + F77_CONST_CHAR_ARG2 (&jobv, 1), + F77_CONST_CHAR_ARG2 (&jobq, 1), + m, n, p, k, l, + F77_CMPLX_ARG (tmp_dataA), m1, + F77_CMPLX_ARG (tmp_dataB), p1, + alpha.fortran_vec (), beta.fortran_vec (), + F77_CMPLX_ARG (u), nrow_u, + F77_CMPLX_ARG (v), nrow_v, + F77_CMPLX_ARG (q), nrow_q, + F77_CMPLX_ARG (work), + rwork, iwork, info + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1) + F77_CHAR_ARG_LEN (1)); + } +} - OCTAVE_LOCAL_BUFFER(double, rwork, 2*n); +template <typename T> +T +gsvd<T>::left_singular_matrix_A (void) const +{ + if (m_type == gsvd::Type::sigma_only) + (*current_liboctave_error_handler) + ("gsvd: U not computed because type == gsvd::sigma_only"); + + return m_left_smA; +} + +template <typename T> +T +gsvd<T>::left_singular_matrix_B (void) const +{ + if (m_type == gsvd::Type::sigma_only) + (*current_liboctave_error_handler) + ("gsvd: V not computed because type == gsvd::sigma_only"); + + return m_left_smB; +} + +template <typename T> +T +gsvd<T>::right_singular_matrix (void) const +{ + if (m_type == gsvd::Type::sigma_only) + (*current_liboctave_error_handler) + ("gsvd: X not computed because type == gsvd::sigma_only"); - if (have_DGGSVD3) - { - zggsvd3_type f_ptr = reinterpret_cast<zggsvd3_type> (gsvd_fcn["zg"]); - f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), - F77_CONST_CHAR_ARG2 (&jobv, 1), - F77_CONST_CHAR_ARG2 (&jobq, 1), - m, n, p, k, l, - F77_DBLE_CMPLX_ARG (tmp_dataA), m1, - F77_DBLE_CMPLX_ARG (tmp_dataB), p1, - alpha.fortran_vec (), beta.fortran_vec (), - F77_DBLE_CMPLX_ARG (u), nrow_u, - F77_DBLE_CMPLX_ARG (v), nrow_v, - F77_DBLE_CMPLX_ARG (q), nrow_q, - F77_DBLE_CMPLX_ARG (work), - lwork, rwork, iwork, info - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1)); - } - else - { - zggsvd_type f_ptr = reinterpret_cast<zggsvd_type> (gsvd_fcn["zg"]); - f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), - F77_CONST_CHAR_ARG2 (&jobv, 1), - F77_CONST_CHAR_ARG2 (&jobq, 1), - m, n, p, k, l, - F77_DBLE_CMPLX_ARG (tmp_dataA), m1, - F77_DBLE_CMPLX_ARG (tmp_dataB), p1, - alpha.fortran_vec (), beta.fortran_vec (), - F77_DBLE_CMPLX_ARG (u), nrow_u, - F77_DBLE_CMPLX_ARG (v), nrow_v, - F77_DBLE_CMPLX_ARG (q), nrow_q, - F77_DBLE_CMPLX_ARG (work), - rwork, iwork, info - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1)); - } + return m_right_sm; +} + +template <typename T> +gsvd<T>::gsvd (const T& a, const T& b, gsvd::Type gsvd_type) +{ + if (a.isempty () || b.isempty ()) + (*current_liboctave_error_handler) + ("gsvd: A and B cannot be empty matrices"); + + F77_INT info; + + F77_INT m = to_f77_int (a.rows ()); + F77_INT n = to_f77_int (a.cols ()); + F77_INT p = to_f77_int (b.rows ()); + + T atmp = a; + P *tmp_dataA = atmp.fortran_vec (); + + T btmp = b; + P *tmp_dataB = btmp.fortran_vec (); + + char jobu = 'U'; + char jobv = 'V'; + char jobq = 'Q'; + + F77_INT nrow_u = m; + F77_INT nrow_v = p; + F77_INT nrow_q = n; + + F77_INT k, l; + + switch (gsvd_type) + { + case gsvd<T>::Type::sigma_only: + + // FIXME: In LAPACK 3.0, problem below seems to be fixed, + // so we now set jobX = 'N'. + // + // For calculating sigma_only, both jobu and jobv should be 'N', but + // there seems to be a bug in dgesvd from LAPACK V2.0. To + // demonstrate the bug, set both jobu and jobv to 'N' and find the + // singular values of [eye(3), eye(3)]. The result is + // [-sqrt(2), -sqrt(2), -sqrt(2)]. + + jobu = jobv = jobq = 'N'; + nrow_u = nrow_v = nrow_q = 1; + break; + + default: + break; } - template <> - void - gsvd<FloatComplexMatrix>::ggsvd (char& jobu, char& jobv, char& jobq, - F77_INT m, F77_INT n, F77_INT p, - F77_INT& k, F77_INT& l, - FloatComplex *tmp_dataA, F77_INT m1, - FloatComplex *tmp_dataB, F77_INT p1, - FloatMatrix& alpha, FloatMatrix& beta, - FloatComplex *u, F77_INT nrow_u, - FloatComplex *v, F77_INT nrow_v, - FloatComplex *q, F77_INT nrow_q, - FloatComplex *work, F77_INT lwork, - F77_INT *iwork, F77_INT& info) - { - if (! gsvd_initialized) - initialize_gsvd (); + m_type = gsvd_type; - OCTAVE_LOCAL_BUFFER(float, rwork, 2*n); + if (jobu != 'N') + m_left_smA.resize (nrow_u, m); + + P *u = m_left_smA.fortran_vec (); - if (have_DGGSVD3) - { - cggsvd3_type f_ptr = reinterpret_cast<cggsvd3_type> (gsvd_fcn["cg"]); - f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), - F77_CONST_CHAR_ARG2 (&jobv, 1), - F77_CONST_CHAR_ARG2 (&jobq, 1), - m, n, p, k, l, - F77_CMPLX_ARG (tmp_dataA), m1, - F77_CMPLX_ARG (tmp_dataB), p1, - alpha.fortran_vec (), beta.fortran_vec (), - F77_CMPLX_ARG (u), nrow_u, - F77_CMPLX_ARG (v), nrow_v, - F77_CMPLX_ARG (q), nrow_q, - F77_CMPLX_ARG (work), lwork, - rwork, iwork, info - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1)); - } - else - { - cggsvd_type f_ptr = reinterpret_cast<cggsvd_type> (gsvd_fcn["cg"]); - f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1), - F77_CONST_CHAR_ARG2 (&jobv, 1), - F77_CONST_CHAR_ARG2 (&jobq, 1), - m, n, p, k, l, - F77_CMPLX_ARG (tmp_dataA), m1, - F77_CMPLX_ARG (tmp_dataB), p1, - alpha.fortran_vec (), beta.fortran_vec (), - F77_CMPLX_ARG (u), nrow_u, - F77_CMPLX_ARG (v), nrow_v, - F77_CMPLX_ARG (q), nrow_q, - F77_CMPLX_ARG (work), - rwork, iwork, info - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1) - F77_CHAR_ARG_LEN (1)); - } - } + if (jobv != 'N') + m_left_smB.resize (nrow_v, p); - template <typename T> - T - gsvd<T>::left_singular_matrix_A (void) const - { - if (m_type == gsvd::Type::sigma_only) - (*current_liboctave_error_handler) - ("gsvd: U not computed because type == gsvd::sigma_only"); - - return m_left_smA; - } + P *v = m_left_smB.fortran_vec (); - template <typename T> - T - gsvd<T>::left_singular_matrix_B (void) const - { - if (m_type == gsvd::Type::sigma_only) - (*current_liboctave_error_handler) - ("gsvd: V not computed because type == gsvd::sigma_only"); - - return m_left_smB; - } - - template <typename T> - T - gsvd<T>::right_singular_matrix (void) const - { - if (m_type == gsvd::Type::sigma_only) - (*current_liboctave_error_handler) - ("gsvd: X not computed because type == gsvd::sigma_only"); - - return m_right_sm; - } + if (jobq != 'N') + m_right_sm.resize (nrow_q, n); - template <typename T> - gsvd<T>::gsvd (const T& a, const T& b, gsvd::Type gsvd_type) - { - if (a.isempty () || b.isempty ()) - (*current_liboctave_error_handler) - ("gsvd: A and B cannot be empty matrices"); - - F77_INT info; - - F77_INT m = to_f77_int (a.rows ()); - F77_INT n = to_f77_int (a.cols ()); - F77_INT p = to_f77_int (b.rows ()); - - T atmp = a; - P *tmp_dataA = atmp.fortran_vec (); - - T btmp = b; - P *tmp_dataB = btmp.fortran_vec (); - - char jobu = 'U'; - char jobv = 'V'; - char jobq = 'Q'; + P *q = m_right_sm.fortran_vec (); - F77_INT nrow_u = m; - F77_INT nrow_v = p; - F77_INT nrow_q = n; - - F77_INT k, l; - - switch (gsvd_type) - { - case gsvd<T>::Type::sigma_only: + real_matrix alpha (n, 1); + real_matrix beta (n, 1); - // FIXME: In LAPACK 3.0, problem below seems to be fixed, - // so we now set jobX = 'N'. - // - // For calculating sigma_only, both jobu and jobv should be 'N', but - // there seems to be a bug in dgesvd from LAPACK V2.0. To - // demonstrate the bug, set both jobu and jobv to 'N' and find the - // singular values of [eye(3), eye(3)]. The result is - // [-sqrt(2), -sqrt(2), -sqrt(2)]. - - jobu = jobv = jobq = 'N'; - nrow_u = nrow_v = nrow_q = 1; - break; + OCTAVE_LOCAL_BUFFER(F77_INT, iwork, n); - default: - break; - } - - m_type = gsvd_type; - - if (jobu != 'N') - m_left_smA.resize (nrow_u, m); - - P *u = m_left_smA.fortran_vec (); - - if (jobv != 'N') - m_left_smB.resize (nrow_v, p); - - P *v = m_left_smB.fortran_vec (); - - if (jobq != 'N') - m_right_sm.resize (nrow_q, n); - - P *q = m_right_sm.fortran_vec (); - - real_matrix alpha (n, 1); - real_matrix beta (n, 1); + if (! gsvd_initialized) + initialize_gsvd (); - OCTAVE_LOCAL_BUFFER(F77_INT, iwork, n); - - if (! gsvd_initialized) - initialize_gsvd (); - - F77_INT lwork; - if (have_DGGSVD3) - { - lwork = -1; - P work_tmp; - - gsvd<T>::ggsvd (jobu, jobv, jobq, m, n, p, k, l, - tmp_dataA, m, tmp_dataB, p, - alpha, beta, u, nrow_u, v, nrow_v, q, nrow_q, - &work_tmp, lwork, iwork, info); - - lwork = static_cast<F77_INT> (std::abs (work_tmp)); - } - else - { - lwork = std::max ({3*n, m, p}) + n; - } - info = 0; - - OCTAVE_LOCAL_BUFFER(P, work, lwork); + F77_INT lwork; + if (have_DGGSVD3) + { + lwork = -1; + P work_tmp; gsvd<T>::ggsvd (jobu, jobv, jobq, m, n, p, k, l, tmp_dataA, m, tmp_dataB, p, alpha, beta, u, nrow_u, v, nrow_v, q, nrow_q, - work, lwork, iwork, info); + &work_tmp, lwork, iwork, info); - if (info < 0) - (*current_liboctave_error_handler) - ("*ggsvd.f: argument %" OCTAVE_F77_INT_TYPE_FORMAT " illegal", - -info); + lwork = static_cast<F77_INT> (std::abs (work_tmp)); + } + else + { + lwork = std::max ({3*n, m, p}) + n; + } + info = 0; + + OCTAVE_LOCAL_BUFFER(P, work, lwork); + + gsvd<T>::ggsvd (jobu, jobv, jobq, m, n, p, k, l, + tmp_dataA, m, tmp_dataB, p, + alpha, beta, u, nrow_u, v, nrow_v, q, nrow_q, + work, lwork, iwork, info); - if (info > 0) - (*current_liboctave_error_handler) - ("*ggsvd.f: Jacobi-type procedure failed to converge"); + if (info < 0) + (*current_liboctave_error_handler) + ("*ggsvd.f: argument %" OCTAVE_F77_INT_TYPE_FORMAT " illegal", + -info); + + if (info > 0) + (*current_liboctave_error_handler) + ("*ggsvd.f: Jacobi-type procedure failed to converge"); - F77_INT i, j; + F77_INT i, j; - if (gsvd_type != gsvd<T>::Type::sigma_only) + if (gsvd_type != gsvd<T>::Type::sigma_only) + { + // Size according to LAPACK is k+l,k+l, but this needs + // to be nxn for Matlab compatibility. + T R (n, n, 0.0); + int astart = n-k-l; + if (m - k - l >= 0) { - // Size according to LAPACK is k+l,k+l, but this needs - // to be nxn for Matlab compatibility. - T R (n, n, 0.0); - int astart = n-k-l; - if (m - k - l >= 0) - { - // R is stored in A(1:K+L,N-K-L+1:N) - for (i = 0; i < k+l; i++) - for (j = 0; j < k+l; j++) - R.xelem (i, j) = atmp.xelem (i, astart + j); - } - else - { - // (R11 R12 R13 ) is stored in A(1:M, N-K-L+1:N) - // ( 0 R22 R23 ) - for (i = 0; i < m; i++) - for (j = 0; j < k+l; j++) - R.xelem (i, j) = atmp.xelem (i, astart + j); - // and R33 is stored in B(M-K+1:L,N+M-K-L+1:N) - for (i = m; i < k + l; i++) - for (j = n - l - k + m; j < n; j++) - R.xelem (i, j) = btmp.xelem (i - k, j); - } - - // Output X = Q*R' - // FIXME: Is there a way to call BLAS multiply directly - // with flags so that R is transposed? - m_right_sm = m_right_sm * R.hermitian (); - } - - // Fill in C and S - F77_INT rank; - bool fill_ptn; - if (m-k-l >= 0) - { - rank = l; - fill_ptn = true; + // R is stored in A(1:K+L,N-K-L+1:N) + for (i = 0; i < k+l; i++) + for (j = 0; j < k+l; j++) + R.xelem (i, j) = atmp.xelem (i, astart + j); } else { - rank = m-k; - fill_ptn = false; + // (R11 R12 R13 ) is stored in A(1:M, N-K-L+1:N) + // ( 0 R22 R23 ) + for (i = 0; i < m; i++) + for (j = 0; j < k+l; j++) + R.xelem (i, j) = atmp.xelem (i, astart + j); + // and R33 is stored in B(M-K+1:L,N+M-K-L+1:N) + for (i = m; i < k + l; i++) + for (j = n - l - k + m; j < n; j++) + R.xelem (i, j) = btmp.xelem (i - k, j); } - if (gsvd_type == gsvd<T>::Type::sigma_only) + // Output X = Q*R' + // FIXME: Is there a way to call BLAS multiply directly + // with flags so that R is transposed? + m_right_sm = m_right_sm * R.hermitian (); + } + + // Fill in C and S + F77_INT rank; + bool fill_ptn; + if (m-k-l >= 0) + { + rank = l; + fill_ptn = true; + } + else + { + rank = m-k; + fill_ptn = false; + } + + if (gsvd_type == gsvd<T>::Type::sigma_only) + { + // Return column vector with results + m_sigmaA.resize (k+l, 1); + m_sigmaB.resize (k+l, 1); + + if (fill_ptn) { - // Return column vector with results - m_sigmaA.resize (k+l, 1); - m_sigmaB.resize (k+l, 1); - - if (fill_ptn) + for (i = 0; i < k; i++) { - for (i = 0; i < k; i++) - { - m_sigmaA.xelem (i) = 1.0; - m_sigmaB.xelem (i) = 0.0; - } - for (i = k, j = k+l-1; i < k+l; i++, j--) - { - m_sigmaA.xelem (i) = alpha.xelem (i); - m_sigmaB.xelem (i) = beta.xelem (i); - } + m_sigmaA.xelem (i) = 1.0; + m_sigmaB.xelem (i) = 0.0; } - else + for (i = k, j = k+l-1; i < k+l; i++, j--) { - for (i = 0; i < k; i++) - { - m_sigmaA.xelem (i) = 1.0; - m_sigmaB.xelem (i) = 0.0; - } - for (i = k; i < m; i++) - { - m_sigmaA.xelem (i) = alpha.xelem (i); - m_sigmaB.xelem (i) = beta.xelem (i); - } - for (i = m; i < k+l; i++) - { - m_sigmaA.xelem (i) = 0.0; - m_sigmaB.xelem (i) = 1.0; - } + m_sigmaA.xelem (i) = alpha.xelem (i); + m_sigmaB.xelem (i) = beta.xelem (i); } } - else // returning all matrices + else { - // Number of columns according to LAPACK is k+l, but this needs - // to be n for Matlab compatibility. - m_sigmaA.resize (m, n); - m_sigmaB.resize (p, n); - for (i = 0; i < k; i++) - m_sigmaA.xelem (i, i) = 1.0; - - for (i = 0; i < rank; i++) { - m_sigmaA.xelem (k+i, k+i) = alpha.xelem (k+i); - m_sigmaB.xelem (i, k+i) = beta.xelem (k+i); + m_sigmaA.xelem (i) = 1.0; + m_sigmaB.xelem (i) = 0.0; } - - if (! fill_ptn) + for (i = k; i < m; i++) { - for (i = m; i < n; i++) - m_sigmaB.xelem (i-k, i) = 1.0; + m_sigmaA.xelem (i) = alpha.xelem (i); + m_sigmaB.xelem (i) = beta.xelem (i); } - + for (i = m; i < k+l; i++) + { + m_sigmaA.xelem (i) = 0.0; + m_sigmaB.xelem (i) = 1.0; + } } } + else // returning all matrices + { + // Number of columns according to LAPACK is k+l, but this needs + // to be n for Matlab compatibility. + m_sigmaA.resize (m, n); + m_sigmaB.resize (p, n); - // Instantiations needed in octave::math namespace. - template class gsvd<Matrix>; - template class gsvd<FloatMatrix>; - template class gsvd<ComplexMatrix>; - template class gsvd<FloatComplexMatrix>; + for (i = 0; i < k; i++) + m_sigmaA.xelem (i, i) = 1.0; + + for (i = 0; i < rank; i++) + { + m_sigmaA.xelem (k+i, k+i) = alpha.xelem (k+i); + m_sigmaB.xelem (i, k+i) = beta.xelem (k+i); + } + + if (! fill_ptn) + { + for (i = m; i < n; i++) + m_sigmaB.xelem (i-k, i) = 1.0; + } + + } +} + +// Instantiations needed in octave::math namespace. +template class gsvd<Matrix>; +template class gsvd<FloatMatrix>; +template class gsvd<ComplexMatrix>; +template class gsvd<FloatComplexMatrix>; OCTAVE_END_NAMESPACE(math) OCTAVE_END_NAMESPACE(octave)