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)
5
6 #ifdef _MSC_VER
7 # pragma warning (disable : 4224)
8 #endif
9
10 #include <boost/math/special_functions/beta.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"
16 #include <iostream>
17
18 typedef double T;
19 #define SC_(x) static_cast<double>(x)
20
main()21 int main()
22 {
23 # include "beta_small_data.ipp"
24 # include "beta_med_data.ipp"
25 # include "beta_exp_data.ipp"
26
27 add_data(beta_small_data);
28 add_data(beta_med_data);
29 add_data(beta_exp_data);
30
31 unsigned data_total = data.size();
32
33 screen_data([](const std::vector<double>& v){ return boost::math::beta(v[0], v[1]); }, [](const std::vector<double>& v){ return v[2]; });
34
35
36 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
37 screen_data([](const std::vector<double>& v){ return std::tr1::beta(v[0], v[1]); }, [](const std::vector<double>& v){ return v[2]; });
38 #endif
39 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
40 screen_data([](const std::vector<double>& v){ return gsl_sf_beta(v[0], v[1]); }, [](const std::vector<double>& v){ return v[2]; });
41 #endif
42 #if defined(TEST_RMATH) && !defined(COMPILER_COMPARISON_TABLES)
43 screen_data([](const std::vector<double>& v){ return beta(v[0], v[1]); }, [](const std::vector<double>& v){ return v[2]; });
44 #endif
45
46 unsigned data_used = data.size();
47 std::string function = "beta[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
48 std::string function_short = "beta";
49
50 double time;
51
52 time = exec_timed_test([](const std::vector<double>& v){ return boost::math::beta(v[0], v[1]); });
53 std::cout << time << std::endl;
54 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
55 report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
56 #endif
57 report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
58 //
59 // Boost again, but with promotion to long double turned off:
60 //
61 #if !defined(COMPILER_COMPARISON_TABLES)
62 if(sizeof(long double) != sizeof(double))
63 {
64 time = exec_timed_test([](const std::vector<double>& v){ return boost::math::beta(v[0], v[1], boost::math::policies::make_policy(boost::math::policies::promote_double<false>())); });
65 std::cout << time << std::endl;
66 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
67 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 #endif
69 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>");
70 }
71 #endif
72
73
74 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
75 time = exec_timed_test([](const std::vector<double>& v){ return std::tr1::beta(v[0], v[1]); });
76 std::cout << time << std::endl;
77 report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath");
78 #endif
79 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
80 time = exec_timed_test([](const std::vector<double>& v){ return gsl_sf_beta(v[0], v[1]); });
81 std::cout << time << std::endl;
82 report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION);
83 #endif
84 #if defined(TEST_RMATH) && !defined(COMPILER_COMPARISON_TABLES)
85 time = exec_timed_test([](const std::vector<double>& v){ return beta(v[0], v[1]); });
86 std::cout << time << std::endl;
87 report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "Rmath " R_VERSION_STRING);
88 #endif
89
90 return 0;
91 }
92
93