COSC-4P80-Assignment-2/lib/eigen-3.4.0/bench/btl/libs/blitz/tiny_blitz_interface.hh

107 lines
3.0 KiB
C++

//=====================================================
// File : tiny_blitz_interface.hh
// Author : L. Plagne <laurent.plagne@edf.fr)>
// Copyright (C) EDF R&D, lun sep 30 14:23:30 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 TINY_BLITZ_INTERFACE_HH
#define TINY_BLITZ_INTERFACE_HH
#include "blitz/array.h"
#include "blitz/tiny.h"
#include "blitz/tinymat.h"
#include "blitz/tinyvec.h"
#include <blitz/tinyvec-et.h>
#include <vector>
BZ_USING_NAMESPACE(blitz)
template<class real, int SIZE>
class tiny_blitz_interface
{
public :
typedef real real_type ;
typedef std::vector<real> stl_vector;
typedef std::vector<stl_vector > stl_matrix;
typedef TinyVector<real,SIZE> gene_vector;
typedef TinyMatrix<real,SIZE,SIZE> gene_matrix;
static inline std::string name() { return "tiny_blitz"; }
static void free_matrix(gene_matrix & A, int N){}
static void free_vector(gene_vector & B){}
static inline void matrix_from_stl(gene_matrix & A, stl_matrix & A_stl){
for (int j=0; j<A_stl.size() ; j++)
for (int i=0; i<A_stl[j].size() ; i++)
A(i,j)=A_stl[j][i];
}
static inline void vector_from_stl(gene_vector & B, stl_vector & B_stl){
for (int i=0; i<B_stl.size() ; i++)
B(i) = B_stl[i];
}
static inline void vector_to_stl(gene_vector & B, stl_vector & B_stl){
for (int i=0; i<B_stl.size() ; i++)
B_stl[i] = B(i);
}
static inline void matrix_to_stl(gene_matrix & A, stl_matrix & A_stl){
int N = A_stl.size();
for (int j=0;j<N;j++)
{
A_stl[j].resize(N);
for (int i=0;i<N;i++)
A_stl[j][i] = A(i,j);
}
}
static inline void copy_matrix(const gene_matrix & source, gene_matrix & cible, int N){
for (int j=0;j<N;j++)
for (int i=0;i<N;i++)
cible(i,j) = source(i,j);
}
static inline void copy_vector(const gene_vector & source, gene_vector & cible, int N){
for (int i=0;i<N;i++){
cible(i) = source(i);
}
}
static inline void matrix_matrix_product(const gene_matrix & A, const gene_matrix & B, gene_matrix & X, int N){
X = product(A,B);
}
static inline void matrix_vector_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
X = product(A,B);
}
static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N){
Y += coef * X;
}
};
#endif