1//=====================================================
2// File   :  action_atv_product.hh
3// Author :  L. Plagne <laurent.plagne@edf.fr)>
4// Copyright (C) EDF R&D,  lun sep 30 14:23:19 CEST 2002
5//=====================================================
6//
7// This program is free software; you can redistribute it and/or
8// modify it under the terms of the GNU General Public License
9// as published by the Free Software Foundation; either version 2
10// of the License, or (at your option) any later version.
11//
12// This program is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16// You should have received a copy of the GNU General Public License
17// along with this program; if not, write to the Free Software
18// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19//
20#ifndef ACTION_ATV_PRODUCT
21#define ACTION_ATV_PRODUCT
22#include "utilities.h"
23#include "STL_interface.hh"
24#include <string>
25#include "init/init_function.hh"
26#include "init/init_vector.hh"
27#include "init/init_matrix.hh"
28
29using namespace std;
30
31template<class Interface>
32class Action_atv_product {
33
34public :
35
36  Action_atv_product( int size ) : _size(size)
37  {
38    MESSAGE("Action_atv_product Ctor");
39
40    // STL matrix and vector initialization
41
42    init_matrix<pseudo_random>(A_stl,_size);
43    init_vector<pseudo_random>(B_stl,_size);
44    init_vector<null_function>(X_stl,_size);
45    init_vector<null_function>(resu_stl,_size);
46
47    // generic matrix and vector initialization
48
49    Interface::matrix_from_stl(A_ref,A_stl);
50    Interface::vector_from_stl(B_ref,B_stl);
51    Interface::vector_from_stl(X_ref,X_stl);
52
53    Interface::matrix_from_stl(A,A_stl);
54    Interface::vector_from_stl(B,B_stl);
55    Interface::vector_from_stl(X,X_stl);
56  }
57
58  // invalidate copy ctor
59  Action_atv_product( const  Action_atv_product & )
60  {
61    INFOS("illegal call to Action_atv_product Copy Ctor");
62    exit(1);
63  }
64
65  ~Action_atv_product( void )
66  {
67    MESSAGE("Action_atv_product Dtor");
68
69    Interface::free_matrix(A,_size);
70    Interface::free_vector(B);
71    Interface::free_vector(X);
72
73    Interface::free_matrix(A_ref,_size);
74    Interface::free_vector(B_ref);
75    Interface::free_vector(X_ref);
76  }
77
78  static inline std::string name() { return "atv_" + Interface::name(); }
79
80  double nb_op_base( void ) { return 2.0*_size*_size; }
81
82  inline void initialize( void ){
83    Interface::copy_matrix(A_ref,A,_size);
84    Interface::copy_vector(B_ref,B,_size);
85    Interface::copy_vector(X_ref,X,_size);
86  }
87
88  BTL_DONT_INLINE void calculate( void ) {
89    BTL_ASM_COMMENT("begin atv");
90    Interface::atv_product(A,B,X,_size);
91    BTL_ASM_COMMENT("end atv");
92  }
93
94  void check_result( void )
95  {
96    if (_size>128) return;
97    Interface::vector_to_stl(X,resu_stl);
98
99    STL_interface<typename Interface::real_type>::atv_product(A_stl,B_stl,X_stl,_size);
100
101    typename Interface::real_type error=
102      STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
103
104    if (error>1.e-6){
105      INFOS("WRONG CALCULATION...residual=" << error);
106      exit(1);
107    }
108  }
109
110private :
111
112  typename Interface::stl_matrix A_stl;
113  typename Interface::stl_vector B_stl;
114  typename Interface::stl_vector X_stl;
115  typename Interface::stl_vector resu_stl;
116
117  typename Interface::gene_matrix A_ref;
118  typename Interface::gene_vector B_ref;
119  typename Interface::gene_vector X_ref;
120
121  typename Interface::gene_matrix A;
122  typename Interface::gene_vector B;
123  typename Interface::gene_vector X;
124
125
126  int _size;
127
128};
129
130
131#endif
132
133
134
135