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 
29 using namespace std;
30 
31 template<class Interface>
32 class Action_atv_product {
33 
34 public :
35 
Action_atv_product(int size)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
Action_atv_product(const Action_atv_product &)59   Action_atv_product( const  Action_atv_product & )
60   {
61     INFOS("illegal call to Action_atv_product Copy Ctor");
62     exit(1);
63   }
64 
~Action_atv_product(void)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 
name()78   static inline std::string name() { return "atv_" + Interface::name(); }
79 
nb_op_base(void)80   double nb_op_base( void ) { return 2.0*_size*_size; }
81 
initialize(void)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 
calculate(void)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 
check_result(void)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 
110 private :
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