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//=====================================================
// Copyright (C) 2011 Andrea Arteaga <andyspiros@gmail.com>
//=====================================================
//
// 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 ACTION_SVD_DECOMP
#define ACTION_SVD_DECOMP
#include "utilities.h"
#include "STL_interface.hh"
#include <string>
#include "init/init_function.hh"
#include "init/init_vector.hh"
#include "init/init_matrix.hh"
using namespace std;
template<class Interface>
class Action_svd_decomp {
public :
// Ctor
Action_svd_decomp( int size ) : _size(size)
{
MESSAGE("Action_svd_decomp Ctor");
// STL vector initialization
init_matrix<pseudo_random>(X_stl ,_size);
init_matrix<null_function>(U_stl, _size);
init_matrix<null_function>(VT_stl, _size);
init_vector<null_function>(S_stl, _size);
// generic matrix and vector initialization
Interface::matrix_from_stl(X_ref, X_stl);
Interface::matrix_from_stl(X, X_stl);
Interface::matrix_from_stl(U, U_stl);
Interface::matrix_from_stl(VT, VT_stl);
Interface::vector_from_stl(S, S_stl);
_cost = 4*size*size*size;
}
// invalidate copy ctor
Action_svd_decomp( const Action_svd_decomp & )
{
INFOS("illegal call to Action_svd_decomp Copy Ctor");
exit(1);
}
// Dtor
~Action_svd_decomp( void ){
MESSAGE("Action_svd_decomp Dtor");
// deallocation
Interface::free_matrix(X_ref, _size);
Interface::free_matrix(X, _size);
Interface::free_matrix(U, _size);
Interface::free_matrix(VT, _size);
Interface::free_vector(S);
}
// action name
static inline std::string name()
{
return "svd_decomp_"+Interface::name();
}
double nb_op_base( void ){
return _cost;
}
inline void initialize( void ){
Interface::copy_matrix(X_ref, X, _size);
}
inline void calculate( void ) {
Interface::svd_decomp(X, U, S, VT, _size);
}
void check_result( void ){
}
private :
typename Interface::stl_matrix X_stl;
typename Interface::stl_matrix U_stl, VT_stl;
typename Interface::stl_vector S_stl;
typename Interface::gene_matrix X_ref;
typename Interface::gene_matrix X;
typename Interface::gene_matrix U, VT;
typename Interface::gene_vector S;
int _size;
double _cost;
};
#endif
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