aboutsummaryrefslogtreecommitdiff
path: root/bench/btl/actions/action_hessenberg.hh
diff options
context:
space:
mode:
Diffstat (limited to 'bench/btl/actions/action_hessenberg.hh')
-rw-r--r--bench/btl/actions/action_hessenberg.hh233
1 files changed, 233 insertions, 0 deletions
diff --git a/bench/btl/actions/action_hessenberg.hh b/bench/btl/actions/action_hessenberg.hh
new file mode 100644
index 000000000..2100ebd89
--- /dev/null
+++ b/bench/btl/actions/action_hessenberg.hh
@@ -0,0 +1,233 @@
+//=====================================================
+// File : action_hessenberg.hh
+// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
+//=====================================================
+//
+// 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_HESSENBERG
+#define ACTION_HESSENBERG
+#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_hessenberg {
+
+public :
+
+ // Ctor
+
+ Action_hessenberg( int size ):_size(size)
+ {
+ MESSAGE("Action_hessenberg Ctor");
+
+ // STL vector initialization
+ init_matrix<pseudo_random>(X_stl,_size);
+
+ init_matrix<null_function>(C_stl,_size);
+ init_matrix<null_function>(resu_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(C,C_stl);
+
+ _cost = 0;
+ for (int j=0; j<_size-2; ++j)
+ {
+ double r = std::max(0,_size-j-1);
+ double b = std::max(0,_size-j-2);
+ _cost += 6 + 3*b + r*r*4 + r*_size*4;
+ }
+ }
+
+ // invalidate copy ctor
+
+ Action_hessenberg( const Action_hessenberg & )
+ {
+ INFOS("illegal call to Action_hessenberg Copy Ctor");
+ exit(1);
+ }
+
+ // Dtor
+
+ ~Action_hessenberg( void ){
+
+ MESSAGE("Action_hessenberg Dtor");
+
+ // deallocation
+ Interface::free_matrix(X_ref,_size);
+ Interface::free_matrix(X,_size);
+ Interface::free_matrix(C,_size);
+ }
+
+ // action name
+
+ static inline std::string name( void )
+ {
+ return "hessenberg_"+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::hessenberg(X,C,_size);
+ }
+
+ void check_result( void ){
+ // calculation check
+ Interface::matrix_to_stl(C,resu_stl);
+
+// STL_interface<typename Interface::real_type>::hessenberg(X_stl,C_stl,_size);
+//
+// typename Interface::real_type error=
+// STL_interface<typename Interface::real_type>::norm_diff(C_stl,resu_stl);
+//
+// if (error>1.e-6){
+// INFOS("WRONG CALCULATION...residual=" << error);
+// exit(0);
+// }
+
+ }
+
+private :
+
+ typename Interface::stl_matrix X_stl;
+ typename Interface::stl_matrix C_stl;
+ typename Interface::stl_matrix resu_stl;
+
+ typename Interface::gene_matrix X_ref;
+ typename Interface::gene_matrix X;
+ typename Interface::gene_matrix C;
+
+ int _size;
+ double _cost;
+};
+
+template<class Interface>
+class Action_tridiagonalization {
+
+public :
+
+ // Ctor
+
+ Action_tridiagonalization( int size ):_size(size)
+ {
+ MESSAGE("Action_tridiagonalization Ctor");
+
+ // STL vector initialization
+ init_matrix<pseudo_random>(X_stl,_size);
+
+ for(int i=0; i<_size; ++i)
+ {
+ for(int j=0; j<i; ++j)
+ X_stl[i][j] = X_stl[j][i];
+ }
+
+ init_matrix<null_function>(C_stl,_size);
+ init_matrix<null_function>(resu_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(C,C_stl);
+
+ _cost = 0;
+ for (int j=0; j<_size-2; ++j)
+ {
+ double r = std::max(0,_size-j-1);
+ double b = std::max(0,_size-j-2);
+ _cost += 6. + 3.*b + r*r*8.;
+ }
+ }
+
+ // invalidate copy ctor
+
+ Action_tridiagonalization( const Action_tridiagonalization & )
+ {
+ INFOS("illegal call to Action_tridiagonalization Copy Ctor");
+ exit(1);
+ }
+
+ // Dtor
+
+ ~Action_tridiagonalization( void ){
+
+ MESSAGE("Action_tridiagonalization Dtor");
+
+ // deallocation
+ Interface::free_matrix(X_ref,_size);
+ Interface::free_matrix(X,_size);
+ Interface::free_matrix(C,_size);
+ }
+
+ // action name
+
+ static inline std::string name( void ) { return "tridiagonalization_"+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::tridiagonalization(X,C,_size);
+ }
+
+ void check_result( void ){
+ // calculation check
+ Interface::matrix_to_stl(C,resu_stl);
+
+// STL_interface<typename Interface::real_type>::tridiagonalization(X_stl,C_stl,_size);
+//
+// typename Interface::real_type error=
+// STL_interface<typename Interface::real_type>::norm_diff(C_stl,resu_stl);
+//
+// if (error>1.e-6){
+// INFOS("WRONG CALCULATION...residual=" << error);
+// exit(0);
+// }
+
+ }
+
+private :
+
+ typename Interface::stl_matrix X_stl;
+ typename Interface::stl_matrix C_stl;
+ typename Interface::stl_matrix resu_stl;
+
+ typename Interface::gene_matrix X_ref;
+ typename Interface::gene_matrix X;
+ typename Interface::gene_matrix C;
+
+ int _size;
+ double _cost;
+};
+
+#endif