Mercurial > octave-libgccjit
view liboctave/dbleLU.cc @ 8951:5bce1357edd6
Fix conversion from PermMatrix to SparseMatrix.
From 76c98628f1943d583d5813321ec0a3c684d7ac84 Mon Sep 17 00:00:00 2001
Date: Tue, 10 Mar 2009 14:12:59 -0400
The result was transposed and missing its values. Also add a test case.
Signed-off-by: Jason Riedy <jason@acm.org>
---
liboctave/ChangeLog | 6 ++++++
liboctave/dSparse.cc | 7 +++++--
test/ChangeLog | 4 ++++
test/test_diag_perm.m | 9 +++++++++
4 files changed, 24 insertions(+), 2 deletions(-)
author | Jason Riedy <jason@acm.org> |
---|---|
date | Tue, 10 Mar 2009 15:44:11 -0400 |
parents | eb63fbe60fab |
children | 50db3c5175b5 |
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/* Copyright (C) 1994, 1995, 1996, 1997, 1999, 2002, 2003, 2004, 2005, 2007, 2008 John W. Eaton 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 "dbleLU.h" #include "f77-fcn.h" #include "lo-error.h" // Instantiate the base LU class for the types we need. #include <base-lu.h> #include <base-lu.cc> template class base_lu <Matrix>; // Define the constructor for this particular derivation. extern "C" { F77_RET_T F77_FUNC (dgetrf, DGETRF) (const octave_idx_type&, const octave_idx_type&, double*, const octave_idx_type&, octave_idx_type*, octave_idx_type&); } LU::LU (const Matrix& a) { octave_idx_type a_nr = a.rows (); octave_idx_type a_nc = a.cols (); octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc); ipvt.resize (mn); octave_idx_type *pipvt = ipvt.fortran_vec (); a_fact = a; double *tmp_data = a_fact.fortran_vec (); octave_idx_type info = 0; F77_XFCN (dgetrf, DGETRF, (a_nr, a_nc, tmp_data, a_nr, pipvt, info)); ipvt -= static_cast<octave_idx_type> (1); } /* ;;; Local Variables: *** ;;; mode: C++ *** ;;; End: *** */