Mercurial > octave
view libinterp/corefcn/sparse-xdiv.cc @ 21200:fcac5dbbf9ed
maint: Indent #ifdef blocks in libinterp.
* builtins.h, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc,
__ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, __qp__.cc,
balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc,
c-file-ptr-stream.cc, c-file-ptr-stream.h, cellfun.cc, colloc.cc,
comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc,
defaults.cc, defaults.in.h, defun-dld.h, defun.cc, defun.h, det.cc, dirfns.cc,
display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc,
errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc,
find.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc,
givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, gripes.cc,
hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc,
jit-typeinfo.cc, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc,
lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc,
ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, luinc.cc, mappers.cc, matrix_type.cc, max.cc,
mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc,
oct-hdf5-types.cc, oct-hdf5.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc,
oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stream.cc, oct-strstrm.cc,
octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc,
profiler.cc, psi.cc, pt-jit.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc,
spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc,
sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, sysdep.h, time.cc, toplev.cc,
tril.cc, tsearch.cc, txt-eng-ft.cc, txt-eng.cc, typecast.cc, urlwrite.cc,
utils.cc, variables.cc, xdiv.cc, xnorm.cc, xpow.cc, zfstream.cc,
__delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc,
__init_fltk__.cc, __init_gnuplot__.cc, __magick_read__.cc, __osmesa_print__.cc,
__voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc,
colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, oct-qhull.h, qr.cc, symbfact.cc,
symrcm.cc, oct-conf.in.cc, ov-base-diag.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-bool-mat.cc,
ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc,
ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc,
ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.cc, 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-int16.cc,
ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc,
ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc,
ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc,
ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc,
ov-uint8.cc, ov-usr-fcn.cc, ov.cc, ovl.cc, octave.cc, op-b-b.cc, op-b-bm.cc,
op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc,
op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc,
op-fcdm-fdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc,
op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc,
op-fdm-fdm.cc, op-float-conv.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc,
op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc,
op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc,
op-int-conv.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc,
op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc,
op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc,
op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc,
op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc,
op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, pt-arg-list.cc,
pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc,
pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-colon.h,
pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc,
pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-mat.cc,
pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc,
token.cc, Array-jit.cc, Array-os.cc, Array-sym.cc, Array-tc.cc, version.cc:
Indent #ifdef blocks in libinterp.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 05 Feb 2016 16:29:08 -0800 |
parents | 538b57866b90 |
children | 40de9f8f23a6 |
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/* Copyright (C) 2004-2015 David Bateman Copyright (C) 1998-2004 Andy Adler This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include <cassert> #include "Array-util.h" #include "lo-array-errwarn.h" #include "oct-cmplx.h" #include "quit.h" #include "error.h" #include "lo-ieee.h" #include "dSparse.h" #include "dDiagMatrix.h" #include "CSparse.h" #include "CDiagMatrix.h" #include "oct-spparms.h" #include "sparse-xdiv.h" static void solve_singularity_warning (double rcond) { warn_singular_matrix (rcond); } template <typename T1, typename T2> bool mx_leftdiv_conform (const T1& a, const T2& b) { octave_idx_type a_nr = a.rows (); octave_idx_type b_nr = b.rows (); if (a_nr != b_nr) { octave_idx_type a_nc = a.cols (); octave_idx_type b_nc = b.cols (); err_nonconformant ("operator \\", a_nr, a_nc, b_nr, b_nc); } return true; } #define INSTANTIATE_MX_LEFTDIV_CONFORM(T1, T2) \ template bool mx_leftdiv_conform (const T1&, const T2&) INSTANTIATE_MX_LEFTDIV_CONFORM (SparseMatrix, SparseMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (SparseMatrix, SparseComplexMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (SparseComplexMatrix, SparseMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (SparseComplexMatrix, SparseComplexMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (SparseMatrix, Matrix); INSTANTIATE_MX_LEFTDIV_CONFORM (SparseMatrix, ComplexMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (SparseComplexMatrix, Matrix); INSTANTIATE_MX_LEFTDIV_CONFORM (SparseComplexMatrix, ComplexMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (DiagMatrix, SparseMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (DiagMatrix, SparseComplexMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (ComplexDiagMatrix, SparseMatrix); INSTANTIATE_MX_LEFTDIV_CONFORM (ComplexDiagMatrix, SparseComplexMatrix); template <typename T1, typename T2> bool mx_div_conform (const T1& a, const T2& b) { octave_idx_type a_nc = a.cols (); octave_idx_type b_nc = b.cols (); if (a_nc != b_nc) { octave_idx_type a_nr = a.rows (); octave_idx_type b_nr = b.rows (); err_nonconformant ("operator /", a_nr, a_nc, b_nr, b_nc); } return true; } #define INSTANTIATE_MX_DIV_CONFORM(T1, T2) \ template bool mx_div_conform (const T1&, const T2&) INSTANTIATE_MX_DIV_CONFORM (SparseMatrix, SparseMatrix); INSTANTIATE_MX_DIV_CONFORM (SparseMatrix, SparseComplexMatrix); INSTANTIATE_MX_DIV_CONFORM (SparseComplexMatrix, SparseMatrix); INSTANTIATE_MX_DIV_CONFORM (SparseComplexMatrix, SparseComplexMatrix); INSTANTIATE_MX_DIV_CONFORM (Matrix, SparseMatrix); INSTANTIATE_MX_DIV_CONFORM (Matrix, SparseComplexMatrix); INSTANTIATE_MX_DIV_CONFORM (ComplexMatrix, SparseMatrix); INSTANTIATE_MX_DIV_CONFORM (ComplexMatrix, SparseComplexMatrix); INSTANTIATE_MX_DIV_CONFORM (SparseMatrix, DiagMatrix); INSTANTIATE_MX_DIV_CONFORM (SparseMatrix, ComplexDiagMatrix); INSTANTIATE_MX_DIV_CONFORM (SparseComplexMatrix, DiagMatrix); INSTANTIATE_MX_DIV_CONFORM (SparseComplexMatrix, ComplexDiagMatrix); // Right division functions. X / Y = X * inv (Y) = (inv (Y') * X')' // // Y / X: m cm sm scm // +-- +---+----+----+----+ // sparse matrix | 1 | 3 | 5 | 7 | // +---+----+----+----+ // sparse complex_matrix | 2 | 4 | 6 | 8 | // +---+----+----+----+ // diagonal matrix | 9 | 11 | // +----+----+ // complex diag. matrix | 10 | 12 | // +----+----+ // -*- 1 -*- Matrix xdiv (const Matrix& a, const SparseMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return Matrix (); Matrix atmp = a.transpose (); SparseMatrix btmp = b.transpose (); MatrixType btyp = typ.transpose (); octave_idx_type info; double rcond = 0.0; Matrix result = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning); typ = btyp.transpose (); return result.transpose (); } // -*- 2 -*- ComplexMatrix xdiv (const Matrix& a, const SparseComplexMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return ComplexMatrix (); Matrix atmp = a.transpose (); SparseComplexMatrix btmp = b.hermitian (); MatrixType btyp = typ.transpose (); octave_idx_type info; double rcond = 0.0; ComplexMatrix result = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning); typ = btyp.transpose (); return result.hermitian (); } // -*- 3 -*- ComplexMatrix xdiv (const ComplexMatrix& a, const SparseMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return ComplexMatrix (); ComplexMatrix atmp = a.hermitian (); SparseMatrix btmp = b.transpose (); MatrixType btyp = typ.transpose (); octave_idx_type info; double rcond = 0.0; ComplexMatrix result = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning); typ = btyp.transpose (); return result.hermitian (); } // -*- 4 -*- ComplexMatrix xdiv (const ComplexMatrix& a, const SparseComplexMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return ComplexMatrix (); ComplexMatrix atmp = a.hermitian (); SparseComplexMatrix btmp = b.hermitian (); MatrixType btyp = typ.transpose (); octave_idx_type info; double rcond = 0.0; ComplexMatrix result = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning); typ = btyp.transpose (); return result.hermitian (); } // -*- 5 -*- SparseMatrix xdiv (const SparseMatrix& a, const SparseMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return SparseMatrix (); SparseMatrix atmp = a.transpose (); SparseMatrix btmp = b.transpose (); MatrixType btyp = typ.transpose (); octave_idx_type info; double rcond = 0.0; SparseMatrix result = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning); typ = btyp.transpose (); return result.transpose (); } // -*- 6 -*- SparseComplexMatrix xdiv (const SparseMatrix& a, const SparseComplexMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return SparseComplexMatrix (); SparseMatrix atmp = a.transpose (); SparseComplexMatrix btmp = b.hermitian (); MatrixType btyp = typ.transpose (); octave_idx_type info; double rcond = 0.0; SparseComplexMatrix result = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning); typ = btyp.transpose (); return result.hermitian (); } // -*- 7 -*- SparseComplexMatrix xdiv (const SparseComplexMatrix& a, const SparseMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return SparseComplexMatrix (); SparseComplexMatrix atmp = a.hermitian (); SparseMatrix btmp = b.transpose (); MatrixType btyp = typ.transpose (); octave_idx_type info; double rcond = 0.0; SparseComplexMatrix result = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning); typ = btyp.transpose (); return result.hermitian (); } // -*- 8 -*- SparseComplexMatrix xdiv (const SparseComplexMatrix& a, const SparseComplexMatrix& b, MatrixType &typ) { if (! mx_div_conform (a, b)) return SparseComplexMatrix (); SparseComplexMatrix atmp = a.hermitian (); SparseComplexMatrix btmp = b.hermitian (); MatrixType btyp = typ.transpose (); octave_idx_type info; double rcond = 0.0; SparseComplexMatrix result = btmp.solve (btyp, atmp, info, rcond, solve_singularity_warning); typ = btyp.transpose (); return result.hermitian (); } template <typename RT, typename SM, typename DM> RT do_rightdiv_sm_dm (const SM& a, const DM& d) { const octave_idx_type d_nr = d.rows (); const octave_idx_type a_nr = a.rows (); const octave_idx_type a_nc = a.cols (); using std::min; const octave_idx_type nc = min (d_nr, a_nc); if (! mx_div_conform (a, d)) return RT (); const octave_idx_type nz = a.nnz (); RT r (a_nr, nc, nz); typedef typename DM::element_type DM_elt_type; const DM_elt_type zero = DM_elt_type (); octave_idx_type k_result = 0; for (octave_idx_type j = 0; j < nc; ++j) { octave_quit (); const DM_elt_type s = d.dgelem (j); const octave_idx_type colend = a.cidx (j+1); r.xcidx (j) = k_result; if (s != zero) for (octave_idx_type k = a.cidx (j); k < colend; ++k) { r.xdata (k_result) = a.data (k) / s; r.xridx (k_result) = a.ridx (k); ++k_result; } } r.xcidx (nc) = k_result; r.maybe_compress (true); return r; } // -*- 9 -*- SparseMatrix xdiv (const SparseMatrix& a, const DiagMatrix& b, MatrixType &) { return do_rightdiv_sm_dm<SparseMatrix> (a, b); } // -*- 10 -*- SparseComplexMatrix xdiv (const SparseMatrix& a, const ComplexDiagMatrix& b, MatrixType &) { return do_rightdiv_sm_dm<SparseComplexMatrix> (a, b); } // -*- 11 -*- SparseComplexMatrix xdiv (const SparseComplexMatrix& a, const DiagMatrix& b, MatrixType &) { return do_rightdiv_sm_dm<SparseComplexMatrix> (a, b); } // -*- 12 -*- SparseComplexMatrix xdiv (const SparseComplexMatrix& a, const ComplexDiagMatrix& b, MatrixType &) { return do_rightdiv_sm_dm<SparseComplexMatrix> (a, b); } // Funny element by element division operations. // // op2 \ op1: s cs // +-- +---+----+ // matrix | 1 | 3 | // +---+----+ // complex_matrix | 2 | 4 | // +---+----+ Matrix x_el_div (double a, const SparseMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.cols (); Matrix result; if (a == 0.) result = Matrix (nr, nc, octave_NaN); else if (a > 0.) result = Matrix (nr, nc, octave_Inf); else result = Matrix (nr, nc, -octave_Inf); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) { octave_quit (); result.elem (b.ridx (i), j) = a / b.data (i); } return result; } ComplexMatrix x_el_div (double a, const SparseComplexMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.cols (); ComplexMatrix result (nr, nc, Complex (octave_NaN, octave_NaN)); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) { octave_quit (); result.elem (b.ridx (i), j) = a / b.data (i); } return result; } ComplexMatrix x_el_div (const Complex a, const SparseMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.cols (); ComplexMatrix result (nr, nc, (a / 0.0)); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) { octave_quit (); result.elem (b.ridx (i), j) = a / b.data (i); } return result; } ComplexMatrix x_el_div (const Complex a, const SparseComplexMatrix& b) { octave_idx_type nr = b.rows (); octave_idx_type nc = b.cols (); ComplexMatrix result (nr, nc, (a / 0.0)); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = b.cidx (j); i < b.cidx (j+1); i++) { octave_quit (); result.elem (b.ridx (i), j) = a / b.data (i); } return result; } // Left division functions. X \ Y = inv (X) * Y // // Y \ X : sm scm dm dcm // +-- +---+----+ // matrix | 1 | 5 | // +---+----+ // complex_matrix | 2 | 6 | // +---+----+----+----+ // sparse matrix | 3 | 7 | 9 | 11 | // +---+----+----+----+ // sparse complex_matrix | 4 | 8 | 10 | 12 | // +---+----+----+----+ // -*- 1 -*- Matrix xleftdiv (const SparseMatrix& a, const Matrix& b, MatrixType &typ) { if (! mx_leftdiv_conform (a, b)) return Matrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning); } // -*- 2 -*- ComplexMatrix xleftdiv (const SparseMatrix& a, const ComplexMatrix& b, MatrixType &typ) { if (! mx_leftdiv_conform (a, b)) return ComplexMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning); } // -*- 3 -*- SparseMatrix xleftdiv (const SparseMatrix& a, const SparseMatrix& b, MatrixType &typ) { if (! mx_leftdiv_conform (a, b)) return SparseMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning); } // -*- 4 -*- SparseComplexMatrix xleftdiv (const SparseMatrix& a, const SparseComplexMatrix& b, MatrixType &typ) { if (! mx_leftdiv_conform (a, b)) return SparseComplexMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning); } // -*- 5 -*- ComplexMatrix xleftdiv (const SparseComplexMatrix& a, const Matrix& b, MatrixType &typ) { if (! mx_leftdiv_conform (a, b)) return ComplexMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning); } // -*- 6 -*- ComplexMatrix xleftdiv (const SparseComplexMatrix& a, const ComplexMatrix& b, MatrixType &typ) { if (! mx_leftdiv_conform (a, b)) return ComplexMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning); } // -*- 7 -*- SparseComplexMatrix xleftdiv (const SparseComplexMatrix& a, const SparseMatrix& b, MatrixType &typ) { if (! mx_leftdiv_conform (a, b)) return SparseComplexMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning); } // -*- 8 -*- SparseComplexMatrix xleftdiv (const SparseComplexMatrix& a, const SparseComplexMatrix& b, MatrixType &typ) { if (! mx_leftdiv_conform (a, b)) return SparseComplexMatrix (); octave_idx_type info; double rcond = 0.0; return a.solve (typ, b, info, rcond, solve_singularity_warning); } template <typename RT, typename DM, typename SM> RT do_leftdiv_dm_sm (const DM& d, const SM& a) { const octave_idx_type a_nr = a.rows (); const octave_idx_type a_nc = a.cols (); const octave_idx_type d_nc = d.cols (); using std::min; const octave_idx_type nr = min (d_nc, a_nr); if (! mx_leftdiv_conform (d, a)) return RT (); const octave_idx_type nz = a.nnz (); RT r (nr, a_nc, nz); typedef typename DM::element_type DM_elt_type; const DM_elt_type zero = DM_elt_type (); octave_idx_type k_result = 0; for (octave_idx_type j = 0; j < a_nc; ++j) { octave_quit (); const octave_idx_type colend = a.cidx (j+1); r.xcidx (j) = k_result; for (octave_idx_type k = a.cidx (j); k < colend; ++k) { const octave_idx_type i = a.ridx (k); if (i < nr) { const DM_elt_type s = d.dgelem (i); if (s != zero) { r.xdata (k_result) = a.data (k) / s; r.xridx (k_result) = i; ++k_result; } } } } r.xcidx (a_nc) = k_result; r.maybe_compress (true); return r; } // -*- 9 -*- SparseMatrix xleftdiv (const DiagMatrix& d, const SparseMatrix& a, MatrixType&) { return do_leftdiv_dm_sm<SparseMatrix> (d, a); } // -*- 10 -*- SparseComplexMatrix xleftdiv (const DiagMatrix& d, const SparseComplexMatrix& a, MatrixType&) { return do_leftdiv_dm_sm<SparseComplexMatrix> (d, a); } // -*- 11 -*- SparseComplexMatrix xleftdiv (const ComplexDiagMatrix& d, const SparseMatrix& a, MatrixType&) { return do_leftdiv_dm_sm<SparseComplexMatrix> (d, a); } // -*- 12 -*- SparseComplexMatrix xleftdiv (const ComplexDiagMatrix& d, const SparseComplexMatrix& a, MatrixType&) { return do_leftdiv_dm_sm<SparseComplexMatrix> (d, a); }