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1 // Copyright John Maddock 2015.
2 // Use, modification and distribution are subject to the
3 // Boost Software License, Version 1.0. (See accompanying file
4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 # pragma warning (disable : 4224)
10 #include <boost/math/special_functions/gamma.hpp>
11 #include <boost/array.hpp>
12 #include <boost/lexical_cast.hpp>
13 #include "../../test/table_type.hpp"
14 #include "table_helper.hpp"
15 #include "performance.hpp"
19 #define SC_(x) static_cast<double>(x)
23 # include "igamma_med_data.ipp"
24 # include "igamma_small_data.ipp"
25 # include "igamma_big_data.ipp"
26 # include "igamma_int_data.ipp"
28 add_data ( igamma_med_data
);
29 add_data ( igamma_small_data
);
30 add_data ( igamma_big_data
);
31 add_data ( igamma_int_data
);
33 unsigned data_total
= data
. size ();
35 screen_data ([]( const std :: vector
< double >& v
){ return boost :: math :: gamma_p ( v
[ 0 ], v
[ 1 ]); }, []( const std :: vector
< double >& v
){ return v
[ 5 ]; });
38 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
39 screen_data ([]( const std :: vector
< double >& v
){ return gsl_sf_gamma_inc_P ( v
[ 0 ], v
[ 1 ]); }, []( const std :: vector
< double >& v
){ return v
[ 5 ]; });
41 #if defined(TEST_RMATH) && !defined(COMPILER_COMPARISON_TABLES)
42 screen_data ([]( const std :: vector
< double >& v
){ return pgamma ( v
[ 1 ], v
[ 0 ], 1.0 , 1 , 0 ); }, []( const std :: vector
< double >& v
){ return v
[ 5 ]; });
45 unsigned data_used
= data
. size ();
46 std :: string function
= "gamma_p[br](" + boost :: lexical_cast
< std :: string
>( data_used
) + "/" + boost :: lexical_cast
< std :: string
>( data_total
) + " tests selected)" ;
47 std :: string function_short
= "gamma_p" ;
51 time
= exec_timed_test ([]( const std :: vector
< double >& v
){ return boost :: math :: gamma_p ( v
[ 0 ], v
[ 1 ]); });
52 std :: cout
<< time
<< std :: endl
;
53 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH))
54 report_execution_time ( time
, std :: string ( "Library Comparison with " ) + std :: string ( compiler_name ()) + std :: string ( " on " ) + platform_name (), function
, boost_name ());
56 report_execution_time ( time
, std :: string ( "Compiler Comparison on " ) + std :: string ( platform_name ()), function_short
, compiler_name () + std :: string ( "[br]" ) + boost_name ());
58 // Boost again, but with promotion to long double turned off:
60 #if !defined(COMPILER_COMPARISON_TABLES)
61 if ( sizeof ( long double ) != sizeof ( double ))
63 time
= exec_timed_test ([]( const std :: vector
< double >& v
){ return boost :: math :: gamma_p ( v
[ 0 ], v
[ 1 ], boost :: math :: policies :: make_policy ( boost :: math :: policies :: promote_double
< false >())); });
64 std :: cout
<< time
<< std :: endl
;
65 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH))
66 report_execution_time ( time
, std :: string ( "Library Comparison with " ) + std :: string ( compiler_name ()) + std :: string ( " on " ) + platform_name (), function
, boost_name () + "[br]promote_double<false>" );
68 report_execution_time ( time
, std :: string ( "Compiler Comparison on " ) + std :: string ( platform_name ()), function_short
, compiler_name () + std :: string ( "[br]" ) + boost_name () + "[br]promote_double<false>" );
73 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
74 time
= exec_timed_test ([]( const std :: vector
< double >& v
){ return gsl_sf_gamma_inc_P ( v
[ 0 ], v
[ 1 ]); });
75 std :: cout
<< time
<< std :: endl
;
76 report_execution_time ( time
, std :: string ( "Library Comparison with " ) + std :: string ( compiler_name ()) + std :: string ( " on " ) + platform_name (), function
, "GSL " GSL_VERSION
);
78 #if defined(TEST_RMATH) && !defined(COMPILER_COMPARISON_TABLES)
79 time
= exec_timed_test ([]( const std :: vector
< double >& v
){ return pgamma ( v
[ 1 ], v
[ 0 ], 1.0 , 1 , 0 ); });
80 std :: cout
<< time
<< std :: endl
;
81 report_execution_time ( time
, std :: string ( "Library Comparison with " ) + std :: string ( compiler_name ()) + std :: string ( " on " ) + platform_name (), function
, "Rmath " R_VERSION_STRING
);