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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program 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 2, or (at your option)
// any later version.
// This program 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 this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: MatrixManagement.cpp,v 1.3 2007/06/09 10:37:07 delpinux Exp $
#define _DECLARE_MRC_
#include <MatrixManagement.hpp>
static MemoryRepository MR;
MemoryRepository * memoryRepository = &MR;
#include <TinyVector.hpp>
#include <TinyMatrix.hpp>
#include <Vector.hpp>
#include <SparseMatrix.hpp>
#include <DoubleHashedMatrix.hpp>
#include <UnAssembledMatrix.hpp>
void MemoryRepository::store(int i,ReferenceCounting<BaseMatrix>& matrix)
{
__matrices[i] = matrix;
}
ReferenceCounting<BaseMatrix>& MemoryRepository::getMatrix(int i)
{
if (__matrices.count(i) != 0)
return __matrices[i];
else {
throw ErrorHandler(__FILE__,__LINE__,
"tying to access to a none stored matrix ("
+stringify(i)+")",
ErrorHandler::unexpected);
}
return __matrices[0];
}
bool MemoryRepository::stored(int i) const
{
return (__matrices.count(i) != 0);
}
/*!
returns true if the matrix is new. So if the assembling is to perform.
*/
bool MemoryManager::ReserveMatrix(ReferenceCounting<BaseMatrix>& A,
const size_t dimension,
const size_t nbDegreeOfFreefom)
{
int keepMatrix = -1;
//! keepMatrix != -1 means that the matrix is stored or to be stored.
if ((keepMatrix == -1) || (!__mr.stored(keepMatrix))) {
switch (__options.value().matrixType()) {
case (MemoryManagerOptions::none): {
A = new UnAssembledMatrix(nbDegreeOfFreefom);
break;
}
case (MemoryManagerOptions::sparse): {
A = new DoubleHashedMatrix(nbDegreeOfFreefom, nbDegreeOfFreefom);
break;
}
default: {
A = new DoubleHashedMatrix(nbDegreeOfFreefom, nbDegreeOfFreefom);
break;
}
}
return true;
} else {
A = __mr.getMatrix(keepMatrix);
return false;
}
}
void MemoryManager::ReserveVector(ReferenceCounting<BaseVector>& b,
size_t dimension,
size_t nbDegreeOfFreefom)
{
b = new Vector<real_t>(nbDegreeOfFreefom);
static_cast<Vector<real_t>&>(*b) = 0;
}
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