test_cbrt.cpp 3.9 KB

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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. #ifdef _MSC_VER
  6. # pragma warning (disable : 4224)
  7. #endif
  8. #include <boost/math/special_functions/cbrt.hpp>
  9. #include <boost/array.hpp>
  10. #include <boost/lexical_cast.hpp>
  11. #include "../../test/table_type.hpp"
  12. #include "table_helper.hpp"
  13. #include "performance.hpp"
  14. #include <iostream>
  15. int main()
  16. {
  17. typedef double T;
  18. #define SC_(x) static_cast<double>(x)
  19. # include "../../test/cbrt_data.ipp"
  20. add_data(cbrt_data);
  21. unsigned data_total = data.size();
  22. screen_data([](const std::vector<double>& v){ return boost::math::cbrt(v[1]); }, [](const std::vector<double>& v){ return v[0]; });
  23. #if defined(TEST_C99) && !defined(COMPILER_COMPARISON_TABLES)
  24. screen_data([](const std::vector<double>& v){ return ::cbrt(v[1]); }, [](const std::vector<double>& v){ return v[0]; });
  25. #endif
  26. #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
  27. screen_data([](const std::vector<double>& v){ return std::tr1::cbrt(v[1]); }, [](const std::vector<double>& v){ return v[0]; });
  28. #endif
  29. unsigned data_used = data.size();
  30. std::string function = "cbrt[br](" + boost::lexical_cast<std::string>(data_used) + "/" + boost::lexical_cast<std::string>(data_total) + " tests selected)";
  31. std::string function_short = "cbrt";
  32. double time = exec_timed_test([](const std::vector<double>& v){ return boost::math::cbrt(v[1]); });
  33. std::cout << time << std::endl;
  34. #if defined(COMPILER_COMPARISON_TABLES)
  35. report_execution_time(time, std::string("Compiler Option Comparison on ") + platform_name(), "boost::math::cbrt", get_compiler_options_name());
  36. #else
  37. #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_C99) || defined(TEST_LIBSTDCXX))
  38. report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, boost_name());
  39. #endif
  40. report_execution_time(time, std::string("Compiler Comparison on ") + std::string(platform_name()), function_short, compiler_name() + std::string("[br]") + boost_name());
  41. #endif
  42. //
  43. // Boost again, but with promotion to long double turned off:
  44. //
  45. #if !defined(COMPILER_COMPARISON_TABLES)
  46. if(sizeof(long double) != sizeof(double))
  47. {
  48. double time = exec_timed_test([](const std::vector<double>& v){ return boost::math::cbrt(v[1], boost::math::policies::make_policy(boost::math::policies::promote_double<false>())); });
  49. std::cout << time << std::endl;
  50. #if !defined(COMPILER_COMPARISON_TABLES) && (defined(TEST_GSL) || defined(TEST_RMATH) || defined(TEST_C99) || defined(TEST_LIBSTDCXX))
  51. 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>");
  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() + "[br]promote_double<false>");
  54. }
  55. #endif
  56. #if defined(TEST_C99) && !defined(COMPILER_COMPARISON_TABLES)
  57. time = exec_timed_test([](const std::vector<double>& v){ return ::cbrt(v[1]); });
  58. std::cout << time << std::endl;
  59. report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "math.h");
  60. #endif
  61. #if defined(TEST_LIBSTDCXX) && !defined(COMPILER_COMPARISON_TABLES)
  62. time = exec_timed_test([](const std::vector<double>& v){ return std::tr1::cbrt(v[1]); });
  63. std::cout << time << std::endl;
  64. report_execution_time(time, std::string("Library Comparison with ") + std::string(compiler_name()) + std::string(" on ") + platform_name(), function, "tr1/cmath");
  65. #endif
  66. return 0;
  67. }