/usr/include/sofa/component/linearsolver/MKLMatrix.h is in libsofa1-dev 1.0~beta4-6.
This file is owned by root:root, with mode 0o644.
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* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library 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 Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Modules *
* *
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#ifndef SOFA_COMPONENT_LINEARSOLVER_MKLMATRIX_H
#define SOFA_COMPONENT_LINEARSOLVER_MKLMATRIX_H
#include <sofa/defaulttype/BaseMatrix.h>
#include <sofa/defaulttype/MKLVector.h>
#include <MKL/mat_dyn.h>
#include <mkl_lapack.h>
namespace sofa
{
namespace component
{
namespace linearsolver
{
class MKLMatrix : public defaulttype::BaseMatrix
{
public:
MKLMatrix()
{
impl = new Dynamic_Matrix<double>;
}
virtual ~MKLMatrix()
{
delete impl;
}
virtual void resize(int nbRow, int nbCol)
{
impl->resize(nbRow, nbCol);
// (*impl) = 0.0;
};
virtual unsigned int rowSize(void)
{
return impl->rows;
};
virtual unsigned int colSize(void)
{
return impl->columns;
};
virtual SReal &element(int i, int j)
{
return *(impl->operator[](j) + i);
};
virtual void solve(MKLVector *rHTerm)
{
int n=impl->rows;
int nrhs=1;
int lda = n;
int ldb = n;
int info;
int *ipiv = new int[n];
// solve Ax=b
// b is overwritten by the linear system solution
dgesv(&n,&nrhs,impl->m,&lda,ipiv,rHTerm->impl->v,&ldb,&info);
};
private:
Dynamic_Matrix<double> *impl;
};
} // namespace linearsolver
} // namespace component
} // namespace sofa
#endif
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