1 //=====================================================
2 // File   :  action_axpy.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_AXPY
21 #define ACTION_AXPY
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_axpy {
33 
34 public :
35 
36   // Ctor
37 
Action_axpy(int size)38   Action_axpy( int size ):_size(size),_coef(1.0)
39   {
40     MESSAGE("Action_axpy Ctor");
41 
42     // STL vector initialization
43 
44     init_vector<pseudo_random>(X_stl,_size);
45     init_vector<pseudo_random>(Y_stl,_size);
46     init_vector<null_function>(resu_stl,_size);
47 
48     // generic matrix and vector initialization
49 
50     Interface::vector_from_stl(X_ref,X_stl);
51     Interface::vector_from_stl(Y_ref,Y_stl);
52 
53     Interface::vector_from_stl(X,X_stl);
54     Interface::vector_from_stl(Y,Y_stl);
55 
56 
57   }
58 
59   // invalidate copy ctor
60 
Action_axpy(const Action_axpy &)61   Action_axpy( const  Action_axpy & )
62   {
63     INFOS("illegal call to Action_axpy Copy Ctor");
64     exit(1);
65   }
66 
67   // Dtor
68 
~Action_axpy(void)69   ~Action_axpy( void ){
70 
71     MESSAGE("Action_axpy Dtor");
72 
73     // deallocation
74 
75     Interface::free_vector(X_ref);
76     Interface::free_vector(Y_ref);
77 
78     Interface::free_vector(X);
79     Interface::free_vector(Y);
80   }
81 
82   // action name
83 
name(void)84   static inline std::string name( void )
85   {
86     return "axpy_"+Interface::name();
87   }
88 
nb_op_base(void)89   double nb_op_base( void ){
90     return 2.0*_size;
91   }
92 
initialize(void)93   inline void initialize( void ){
94     Interface::copy_vector(X_ref,X,_size);
95     Interface::copy_vector(Y_ref,Y,_size);
96   }
97 
calculate(void)98   inline void calculate( void ) {
99     BTL_ASM_COMMENT("mybegin axpy");
100     Interface::axpy(_coef,X,Y,_size);
101     BTL_ASM_COMMENT("myend axpy");
102   }
103 
check_result(void)104   void check_result( void ){
105     if (_size>128) return;
106     // calculation check
107 
108     Interface::vector_to_stl(Y,resu_stl);
109 
110     STL_interface<typename Interface::real_type>::axpy(_coef,X_stl,Y_stl,_size);
111 
112     typename Interface::real_type error=
113       STL_interface<typename Interface::real_type>::norm_diff(Y_stl,resu_stl);
114 
115     if (error>1.e-6){
116       INFOS("WRONG CALCULATION...residual=" << error);
117       exit(0);
118     }
119 
120   }
121 
122 private :
123 
124   typename Interface::stl_vector X_stl;
125   typename Interface::stl_vector Y_stl;
126   typename Interface::stl_vector resu_stl;
127 
128   typename Interface::gene_vector X_ref;
129   typename Interface::gene_vector Y_ref;
130 
131   typename Interface::gene_vector X;
132   typename Interface::gene_vector Y;
133 
134   typename Interface::real_type _coef;
135 
136   int _size;
137 };
138 
139 #endif
140