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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)
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 
21 
main()22 int main()
23 {
24 #  include "ibeta_small_data.ipp"
25 #  include "ibeta_data.ipp"
26 #  include "ibeta_large_data.ipp"
27 #  include "ibeta_int_data.ipp"
28 
29    add_data(ibeta_small_data);
30    add_data(ibeta_data);
31    add_data(ibeta_large_data);
32    add_data(ibeta_int_data);
33 
34    unsigned data_total = data.size();
35 
36    std::cout << "Screening boost data:\n";
37    screen_data([](const std::vector<double>& v){  return boost::math::ibeta(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[5];  });
38 
39 
40 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
41    std::cout << "Screening gsl data:\n";
42       screen_data([](const std::vector<double>& v){  return gsl_sf_beta_inc(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[5];  });
43 #endif
44 
45    unsigned data_used = data.size();
46    std::string function = "beta (incomplete)[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
47    std::string function_short = "beta (incomplete)";
48 
49    double time;
50 
51    time = exec_timed_test([](const std::vector<double>& v){  return boost::math::beta(v[0], v[1], v[2]);  });
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());
55 #endif
56    report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
57    //
58    // Boost again, but with promotion to long double turned off:
59    //
60 #if !defined(COMPILER_COMPARISON_TABLES)
61    if(sizeof(long double) != sizeof(double))
62    {
63       time = exec_timed_test([](const std::vector<double>& v){  return boost::math::beta(v[0], v[1], v[2], 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>");
67 #endif
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>");
69    }
70 #endif
71 
72 
73 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
74    time = exec_timed_test([](const std::vector<double>& v){  return gsl_sf_beta_inc(v[0], v[1], v[2]);  });
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);
77 #endif
78 
79    return 0;
80 }
81 
82