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Implement sparse * diagonal and diagonal * sparse operations, double-prec only. Date: Sun, 8 Mar 2009 16:28:18 -0400 These preserve sparsity, so eye(5) * sprand (5, 5, .2) is *sparse* and not dense. This may affect people who use multiplication by eye() rather than full(). The liboctave routines do *not* check if arguments are scalars in disguise. There is a type problem with checking at that level. I suspect we want diag * "sparse scalar" to stay diagonal, but we have to return a sparse matrix at the liboctave. Rather than worrying about that in liboctave, we cope with it when binding to Octave and return the correct higher-level type. The implementation is in Sparse-diag-op-defs.h rather than Sparse-op-defs.h to limit recompilation. And the implementations are templates rather than macros to produce better compiler errors and debugging information.
author Jason Riedy <jason@acm.org>
date Mon, 09 Mar 2009 17:49:13 -0400
parents eb63fbe60fab
children cd96d29c5efa
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/*

Copyright (C) 1996, 1997, 1999, 2001, 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/>.

*/

#if !defined (octave_tree_all_h)
#define octave_tree_all_h 1

#include "pt.h"
#include "pt-arg-list.h"
#include "pt-assign.h"
#include "pt-bp.h"
#include "pt-binop.h"
#include "pt-cbinop.h"
#include "pt-check.h"
#include "pt-cmd.h"
#include "pt-colon.h"
#include "pt-const.h"
#include "pt-decl.h"
#include "pt-except.h"
#include "pt-exp.h"
#include "pt-fcn-handle.h"
#include "pt-id.h"
#include "pt-idx.h"
#include "pt-jump.h"
#include "pt-loop.h"
#include "pt-mat.h"
#include "pt-cell.h"
#include "pt-misc.h"
#include "pt-pr-code.h"
#include "pt-select.h"
#include "pt-stmt.h"
#include "pt-unop.h"
#include "pt-pr-code.h"
#include "pt-walk.h"

#endif

/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/