ceph/src/boost/libs/math/reporting/performance/test_assoc_laguerre.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/laguerre.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 int main()
  22 {
  23 #  include "laguerre3.ipp"
  24
  25    add_data(laguerre3);
  26
  27    unsigned data_total = data.size();
  28
  29    screen_data([](const std::vector<double>& v){  return boost::math::laguerre(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[3];  });
  30
  31
  32 #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
  33    screen_data([](const std::vector<double>& v){  return std::tr1::assoc_laguerre(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[3];  });
  34 #endif
  35 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
  36    screen_data([](const std::vector<double>& v){  return gsl_sf_laguerre_n(v[0], v[1], v[2]);  }, [](const std::vector<double>& v){ return v[3];  });
  37 #endif
  38
  39    unsigned data_used = data.size();
  40    std::string function = "assoc_laguerre[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
  41    std::string function_short = "assoc_laguerre";
  42
  43    double time;
  44
  45    time = exec_timed_test([](const std::vector<double>& v){  return boost::math::laguerre(v[0], v[1], v[2]);  });
  46    std::cout << time << std::endl;
  47 #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_LIBSTDCXX))
  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::laguerre(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) || defined(TEST_LIBSTDCXX))
  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_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
  68    time = exec_timed_test([](const std::vector<double>& v){  return std::tr1::assoc_laguerre(v[0], v[1], v[2]);  });
  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, "tr1/cmath");
  71 #endif
  72 #if defined(TEST_GSL) && !defined(COMPILER_COMPARISON_TABLES)
  73    time = exec_timed_test([](const std::vector<double>& v){  return gsl_sf_laguerre_n(v[0], v[1], v[2]);  });
  74    std::cout << time << std::endl;
  75    report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "GSL " GSL_VERSION);
  76 #endif
  77
  78
  79    return 0;
  80 }
  81