1 //=====================================================
2 // File   :  action_syr2.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_SYR2
21 #define ACTION_SYR2
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_syr2 {
33 
34 public :
35 
36   // Ctor
37 
Action_syr2(int size)38   BTL_DONT_INLINE Action_syr2( int size ):_size(size)
39   {
40     // STL matrix and vector initialization
41     typename Interface::stl_matrix tmp;
42     init_matrix<pseudo_random>(A_stl,_size);
43     init_vector<pseudo_random>(B_stl,_size);
44     init_vector<pseudo_random>(X_stl,_size);
45     init_vector<null_function>(resu_stl,_size);
46 
47     // generic matrix and vector initialization
48     Interface::matrix_from_stl(A_ref,A_stl);
49     Interface::matrix_from_stl(A,A_stl);
50     Interface::vector_from_stl(B_ref,B_stl);
51     Interface::vector_from_stl(B,B_stl);
52     Interface::vector_from_stl(X_ref,X_stl);
53     Interface::vector_from_stl(X,X_stl);
54   }
55 
56   // invalidate copy ctor
Action_syr2(const Action_syr2 &)57   Action_syr2( const  Action_syr2 & )
58   {
59     INFOS("illegal call to Action_syr2 Copy Ctor");
60     exit(1);
61   }
62 
63   // Dtor
~Action_syr2(void)64   BTL_DONT_INLINE ~Action_syr2( void ){
65     Interface::free_matrix(A,_size);
66     Interface::free_vector(B);
67     Interface::free_vector(X);
68     Interface::free_matrix(A_ref,_size);
69     Interface::free_vector(B_ref);
70     Interface::free_vector(X_ref);
71   }
72 
73   // action name
74 
name(void)75   static inline std::string name( void )
76   {
77     return "syr2_" + Interface::name();
78   }
79 
nb_op_base(void)80   double nb_op_base( void ){
81     return 2.0*_size*_size;
82   }
83 
initialize(void)84   BTL_DONT_INLINE  void initialize( void ){
85     Interface::copy_matrix(A_ref,A,_size);
86     Interface::copy_vector(B_ref,B,_size);
87     Interface::copy_vector(X_ref,X,_size);
88   }
89 
calculate(void)90   BTL_DONT_INLINE void calculate( void ) {
91       BTL_ASM_COMMENT("#begin syr2");
92       Interface::syr2(A,B,X,_size);
93       BTL_ASM_COMMENT("end syr2");
94   }
95 
check_result(void)96   BTL_DONT_INLINE void check_result( void ){
97     // calculation check
98     Interface::vector_to_stl(X,resu_stl);
99 
100     STL_interface<typename Interface::real_type>::syr2(A_stl,B_stl,X_stl,_size);
101 
102     typename Interface::real_type error=
103       STL_interface<typename Interface::real_type>::norm_diff(X_stl,resu_stl);
104 
105     if (error>1.e-3){
106       INFOS("WRONG CALCULATION...residual=" << error);
107 //       exit(0);
108     }
109 
110   }
111 
112 private :
113 
114   typename Interface::stl_matrix A_stl;
115   typename Interface::stl_vector B_stl;
116   typename Interface::stl_vector X_stl;
117   typename Interface::stl_vector resu_stl;
118 
119   typename Interface::gene_matrix A_ref;
120   typename Interface::gene_vector B_ref;
121   typename Interface::gene_vector X_ref;
122 
123   typename Interface::gene_matrix A;
124   typename Interface::gene_vector B;
125   typename Interface::gene_vector X;
126 
127 
128   int _size;
129 
130 };
131 
132 
133 #endif
134