ceph/src/boost/libs/math/reporting/performance/test_ellint_2c.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/ellint_2.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 static const boost::array<boost::array<T, 2>, 10> data2 = { {
  21    { { SC_(-1.0), SC_(1.0) } },
  22    { { SC_(0.0), SC_(1.5707963267948966192313216916397514420985846996876) } },
  23    { { T(100) / 1024, SC_(1.5670445330545086723323795143598956428788609133377) } },
  24    { { T(200) / 1024, SC_(1.5557071588766556854463404816624361127847775545087) } },
  25    { { T(300) / 1024, SC_(1.5365278991162754883035625322482669608948678755743) } },
  26    { { T(400) / 1024, SC_(1.5090417763083482272165682786143770446401437564021) } },
  27    { { SC_(-0.5), SC_(1.4674622093394271554597952669909161360253617523272) } },
  28    { { T(-600) / 1024, SC_(1.4257538571071297192428217218834579920545946473778) } },
  29    { { T(-800) / 1024, SC_(1.2927868476159125056958680222998765985004489572909) } },
  30    { { T(-900) / 1024, SC_(1.1966864890248739524112920627353824133420353430982) } },
  31    } };
  32
  33 int main()
  34 {
  35 #include "ellint_e_data.ipp"
  36
  37    add_data(data2);
  38    add_data(ellint_e_data);
  39
  40    unsigned data_total = data.size();
  41
  42    screen_data([](const std::vector<double>& v){  return boost::math::ellint_2(v[0]);  }, [](const std::vector<double>& v){ return v[1];  });
  43
  44
  45 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
  46    screen_data([](const std::vector<double>& v){  return std::tr1::comp_ellint_2(v[0]);  }, [](const std::vector<double>& v){ return v[1];  });
  47 #endif
  48 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
  49    screen_data([](const std::vector<double>& v){  return gsl_sf_ellint_Ecomp(v[0], GSL_PREC_DOUBLE);  }, [](const std::vector<double>& v){ return v[1];  });
  50 #endif
  51
  52    unsigned data_used = data.size();
  53    std::string function = "ellint_2 (complete)[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
  54    std::string function_short = "ellint_2 (complete)";
  55
  56    double time;
  57
  58    time = exec_timed_test([](const std::vector<double>& v){  return boost::math::ellint_2(v[0]);  });
  59    std::cout << time << std::endl;
  60 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
  61    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
  62 #endif
  63    report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
  64    //
  65    // Boost again, but with promotion to long double turned off:
  66    //
  67 #if !defined(COMPILER_COMPARISON_TABLES)
  68    if(sizeof(long double) != sizeof(double))
  69    {
  70       time = exec_timed_test([](const std::vector<double>& v){  return boost::math::ellint_2(v[0], boost::math::policies::make_policy(boost::math::policies::promote_double<false>()));  });
  71       std::cout << time << std::endl;
  72 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
  73       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>");
  74 #endif
  75       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>");
  76    }
  77 #endif
  78
  79
  80 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
  81    time = exec_timed_test([](const std::vector<double>& v){  return std::tr1::comp_ellint_2(v[0]);  });
  82    std::cout << time << std::endl;
  83    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath");
  84 #endif
  85 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
  86    time = exec_timed_test([](const std::vector<double>& v){  return gsl_sf_ellint_Ecomp(v[0], GSL_PREC_DOUBLE);  });
  87    std::cout << time << std::endl;
  88    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION);
  89 #endif
  90
  91    return 0;
  92 }
  93