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Diffstat (limited to 'eigen/bench/btl/actions/action_hessenberg.hh')
| -rw-r--r-- | eigen/bench/btl/actions/action_hessenberg.hh | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/eigen/bench/btl/actions/action_hessenberg.hh b/eigen/bench/btl/actions/action_hessenberg.hh new file mode 100644 index 0000000..2100ebd --- /dev/null +++ b/eigen/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 |