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//=====================================================
// File : INTEL_BLAS_interface.hh
// Author : L. Plagne <laurent.plagne@edf.fr)>
// Copyright (C) EDF R&D, lun sep 30 14:23:29 CEST 2002
//=====================================================
//
// 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
// of the License, 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.
//
#ifndef INTEL_BLAS_PRODUIT_MATRICE_VECTEUR_HH
#define INTEL_BLAS_PRODUIT_MATRICE_VECTEUR_HH
#include "f77_interface.hh"
extern "C"
{
#include "mkl_cblas.h"
}
template<class real>
class INTEL_BLAS_interface : public f77_interface_base<real>
{
public :
typedef typename f77_interface_base<real>::gene_matrix gene_matrix;
typedef typename f77_interface_base<real>::gene_vector gene_vector;
static inline std::string name( void ) { return "INTEL_BLAS"; }
static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N) {
cblas_dgemv(CblasColMajor,CblasNoTrans,N,N,1.0,A,N,B,1,0.0,X,1);
}
static inline void matrix_matrix_product(gene_matrix & A, gene_matrix & B, gene_matrix & X, int N) {
cblas_dgemm(CblasColMajor,CblasNoTrans,CblasNoTrans,N,N,N,1.0,A,N,B,N,0.0,X,N);
}
static inline void ata_product(gene_matrix & A, gene_matrix & X, int N) {
cblas_dgemm(CblasColMajor,CblasTrans,CblasNoTrans,N,N,N,1.0,A,N,A,N,0.0,X,N);
}
static inline void aat_product(gene_matrix & A, gene_matrix & X, int N) {
cblas_dgemm(CblasColMajor,CblasNoTrans,CblasTrans,N,N,N,1.0,A,N,A,N,0.0,X,N);
}
static inline void axpy(real coef, const gene_vector & X, gene_vector & Y, int N) {
cblas_daxpy(N,coef,X,1,Y,1);
}
};
template<>
class INTEL_BLAS_interface<float> : public f77_interface_base<float>
{
public :
static inline std::string name() { return "INTEL_BLAS"; }
static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N) {
// cblas_sgemv(CblasNoTrans,N,N,1.0,A,N,B,1,0.0,X,1);
cblas_sgemv(CblasColMajor,CblasNoTrans,N,N,1.0,A,N,B,1,0.0,X,1);
}
static inline void matrix_matrix_product(gene_matrix & A, gene_matrix & B, gene_matrix & X, int N) {
cblas_sgemm(CblasColMajor,CblasNoTrans,CblasNoTrans,N,N,N,1.0,A,N,B,N,0.0,X,N);
}
static inline void ata_product(gene_matrix & A, gene_matrix & X, int N) {
cblas_sgemm(CblasColMajor,CblasTrans,CblasNoTrans,N,N,N,1.0,A,N,A,N,0.0,X,N);
}
static inline void aat_product(gene_matrix & A, gene_matrix & X, int N) {
cblas_sgemm(CblasColMajor,CblasNoTrans,CblasTrans,N,N,N,1.0,A,N,A,N,0.0,X,N);
}
static inline void axpy(float coef, const gene_vector & X, gene_vector & Y, int N) {
cblas_saxpy(N,coef,X,1,Y,1);
}
};
#endif
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