ceph/src/boost/libs/math/reporting/performance/test_ibetac_inv.cpp

   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
  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::ibetac_inv(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[4];  });
  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], 0, 0);  }, [](const std::vector<double>& v){ return v[4];  });
  37 #endif
  38
  39    unsigned data_used = data.size();
  40    std::string function = "ibetac_inv[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
  41    std::string function_short = "ibetac_inv";
  42
  43    double time;
  44
  45    time = exec_timed_test([](const std::vector<double>& v){  return boost::math::ibetac_inv(v[0], v[1], v[2]);  });
  46    std::cout << time << std::endl;
  47 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH))
  48    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
  49 #endif
  50    report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
  51    //
  52    // Boost again, but with promotion to long double turned off:
  53    //
  54 #if !defined(COMPILER_COMPARISON_TABLES)
  55    if(sizeof(long double) != sizeof(double))
  56    {
  57       time = exec_timed_test([](const std::vector<double>& v){  return boost::math::ibetac_inv(v[0], v[1], v[2], boost::math::policies::make_policy(boost::math::policies::promote_double<false>()));  });
  58       std::cout << time << std::endl;
  59 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH))
  60       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>");
  61 #endif
  62       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>");
  63    }
  64 #endif
  65
  66
  67 #if defined(TEST_RMATH) && !defined(COMPILER_COMPARISON_TABLES)
  68    time = exec_timed_test([](const std::vector<double>& v){  return ::qbeta(v[2], v[0], v[1], 0, 0);  });
  69    std::cout << time << std::endl;
  70    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "Rmath "  R_VERSION_STRING);
  71 #endif
  72
  73    return 0;
  74 }
  75