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+//=====================================================
+// File : action_symv.hh
+// Author : L. Plagne <laurent.plagne@edf.fr)>
+// Copyright (C) EDF R&D, lun sep 30 14:23:19 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 ACTION_SYMV
+#define ACTION_SYMV
+#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_symv {
+
+public :
+
+ // Ctor
+
+ BTL_DONT_INLINE Action_symv( int size ):_size(size)
+ {
+ MESSAGE("Action_symv Ctor");
+
+ // STL matrix and vector initialization
+
+ typename Interface::stl_matrix tmp;
+ init_matrix<pseudo_random>(A_stl,_size);
+ init_matrix<pseudo_random>(tmp,_size);
+ init_vector<pseudo_random>(B_stl,_size);
+ init_vector<null_function>(X_stl,_size);
+ init_vector<null_function>(resu_stl,_size);
+
+ STL_interface<typename Interface::real_type>::ata_product(tmp,A_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_symv( const Action_symv & )
+ {
+ INFOS("illegal call to Action_symv Copy Ctor");
+ exit(1);
+ }
+
+ // Dtor
+
+ BTL_DONT_INLINE ~Action_symv( void ){
+
+ MESSAGE("Action_symv 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 "symv_" + Interface::name();
+ }
+
+ double nb_op_base( void ){
+ return 2.0*_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 symv");
+ Interface::symv(A,B,X,_size);
+ BTL_ASM_COMMENT("end symv");
+ }
+
+ BTL_DONT_INLINE void check_result( void ){
+
+ // calculation check
+
+ Interface::vector_to_stl(X,resu_stl);
+
+ STL_interface<typename Interface::real_type>::symv(A_stl,B_stl,X_stl,_size);
+
+ typename Interface::real_type error=
+ STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
+
+ if (error>1.e-5){
+ INFOS("WRONG CALCULATION...residual=" << error);
+ exit(0);
+ }
+
+ }
+
+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