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#ifndef ACTION_LEAST_SQUARES
#define ACTION_LEAST_SQUARES
#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_least_squares {
public:
// Ctor
Action_least_squares( int size ) : _size(size)
{
MESSAGE("Action_least_squares Ctor");
// STL matrix and vector initialization
init_matrix<pseudo_random>(A_stl,_size);
init_vector<pseudo_random>(B_stl,_size);
init_vector<null_function>(X_stl,_size);
init_vector<null_function>(resu_stl,_size);
// generic matrix and vector initialization
Interface::matrix_from_stl(A_ref,A_stl);
Interface::matrix_from_stl(A,A_stl);
Interface::vector_from_stl(B_ref,B_stl);
Interface::vector_from_stl(B,B_stl);
Interface::vector_from_stl(X_ref,X_stl);
Interface::vector_from_stl(X,X_stl);
}
// invalidate copy ctor
Action_least_squares( const Action_least_squares & )
{
INFOS("illegal call to Action_least_squares Copy Ctor");
exit(0);
}
// Dtor
BTL_DONT_INLINE ~Action_least_squares( void ){
MESSAGE("Action_least_squares Dtor");
// deallocation
Interface::free_matrix(A,_size);
Interface::free_vector(B);
Interface::free_vector(X);
Interface::free_matrix(A_ref,_size);
Interface::free_vector(B_ref);
Interface::free_vector(X_ref);
}
// action name
static inline std::string name( void )
{
return "least_squares_" + Interface::name();
}
double nb_op_base( void ){
return 2.0*_size*_size*_size;
}
BTL_DONT_INLINE void initialize( void ){
Interface::copy_matrix(A_ref,A,_size);
Interface::copy_vector(B_ref,B,_size);
Interface::copy_vector(X_ref,X,_size);
}
BTL_DONT_INLINE void calculate( void ) {
BTL_ASM_COMMENT("#begin least_squares");
Interface::least_squares(A,B,X,_size);
BTL_ASM_COMMENT("end least_squares");
}
BTL_DONT_INLINE void check_result() {
// TODO: check result
}
private:
typename Interface::stl_matrix A_stl;
typename Interface::stl_vector B_stl;
typename Interface::stl_vector X_stl;
typename Interface::stl_vector resu_stl;
typename Interface::gene_matrix A_ref;
typename Interface::gene_vector B_ref;
typename Interface::gene_vector X_ref;
typename Interface::gene_matrix A;
typename Interface::gene_vector B;
typename Interface::gene_vector X;
int _size;
};
#endif // ACTION_LEAST_SQUARES
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