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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_inv_data.ipp"
25 
26    add_data(ibeta_inv_data);
27 
28    unsigned data_total = data.size();
29 
30    std::cout << "Screening boost data:\n";
31    screen_data([](const std::vector<double>& v){  return boost::math::ibeta_inv(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[3];  });
32 
33 
34 #if defined(TEST_RMATH) && !defined(COMPILER_COMPARISON_TABLES)
35    std::cout << "Screening libstdc++ data:\n";
36       screen_data([](const std::vector<double>& v){  return ::qbeta(v[2], v[0], v[1], 1, 0);  }, [](const std::vector<double>& v){ return v[3];  });
37 #endif
38 
39    unsigned data_used = data.size();
40    std::string function = "ibeta_inv[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
41    std::string function_short = "ibeta_inv";
42 
43    double time;
44 
45    time = exec_timed_test([](const std::vector<double>& v){  return boost::math::ibeta_inv(v[0], v[1], v[2]);  });
46    std::cout << time << std::endl;
47 #if defined(COMPILER_COMPARISON_TABLES)
48    report_execution_time(time, std::string("Compiler Option Comparison on ") + platform_name(), "boost::math::ibeta_inv", get_compiler_options_name());
49 #else
50 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH))
51    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
52 #endif
53    report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
54 #endif
55    //
56    // Boost again, but with promotion to long double turned off:
57    //
58 #if !defined(COMPILER_COMPARISON_TABLES)
59    if(sizeof(long double) != sizeof(double))
60    {
61       time = exec_timed_test([](const std::vector<double>& v){  return boost::math::ibeta_inv(v[0], v[1], v[2], boost::math::policies::make_policy(boost::math::policies::promote_double<false>()));  });
62       std::cout << time << std::endl;
63 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH))
64       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>");
65 #endif
66       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>");
67    }
68 #endif
69 
70 
71 #if defined(TEST_RMATH) && !defined(COMPILER_COMPARISON_TABLES)
72    time = exec_timed_test([](const std::vector<double>& v){  return ::qbeta(v[2], v[0], v[1], 1, 0);  });
73    std::cout << time << std::endl;
74    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "Rmath "  R_VERSION_STRING);
75 #endif
76 
77    return 0;
78 }
79 
80