libs/math/test/test_2F0.cpp

   1 //  (C) Copyright John Maddock 2006.
   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 #include "test_2F0.hpp"
   7
   8 #include <boost/multiprecision/cpp_bin_float.hpp>
   9 #include <boost/multiprecision/cpp_dec_float.hpp>
  10
  11 void expected_results()
  12 {
  13    //
  14    // Define the max and mean errors expected for
  15    // various compilers and platforms.
  16    //
  17    const char* largest_type;
  18 #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
  19    if(boost::math::policies::digits<double, boost::math::policies::policy<> >() == boost::math::policies::digits<long double, boost::math::policies::policy<> >())
  20    {
  21       largest_type = "(long\\s+)?double|real_concept|cpp_bin_float_quad|dec_40";
  22    }
  23    else
  24    {
  25       largest_type = "long double|real_concept|cpp_bin_float_quad|dec_40";
  26    }
  27 #else
  28    largest_type = "(long\\s+)?double|cpp_bin_float_quad|dec_40";
  29 #endif
  30
  31    if (boost::math::policies::digits<double, boost::math::policies::policy<> >() != boost::math::policies::digits<long double, boost::math::policies::policy<> >())
  32    {
  33       add_expected_result(
  34          ".*",                          // compiler
  35          ".*",                          // stdlib
  36          ".*",                          // platform
  37          "double",                      // test type(s)
  38          "Random non-integer a2.*",     // test data group
  39          ".*", 10, 5);                  // test function
  40       add_expected_result(
  41          ".*",                          // compiler
  42          ".*",                          // stdlib
  43          ".*",                          // platform
  44          "double",                      // test type(s)
  45          "a1 = a2 \\+ 0\\.5",           // test data group
  46          ".*", 10, 5);                  // test function
  47    }
  48
  49    add_expected_result(
  50       ".*",                          // compiler
  51       ".*",                          // stdlib
  52       ".*",                          // platform
  53       largest_type,                  // test type(s)
  54       "Random non-integer a2.*",                   // test data group
  55       ".*", 9000, 3000);               // test function
  56    add_expected_result(
  57       ".*",                          // compiler
  58       ".*",                          // stdlib
  59       ".*",                          // platform
  60       largest_type,                  // test type(s)
  61       "Integer.*",                   // test data group
  62       ".*", 300, 100);               // test function
  63    add_expected_result(
  64       ".*",                          // compiler
  65       ".*",                          // stdlib
  66       ".*",                          // platform
  67       largest_type,                  // test type(s)
  68       "a1 = a2 \\+ 0\\.5",                   // test data group
  69       ".*", 2000, 200);               // test function
  70
  71    //
  72    // Finish off by printing out the compiler/stdlib/platform names,
  73    // we do this to make it easier to mark up expected error rates.
  74    //
  75    std::cout << "Tests run with " << BOOST_COMPILER << ", "
  76       << BOOST_STDLIB << ", " << BOOST_PLATFORM << std::endl;
  77 }
  78
  79 BOOST_AUTO_TEST_CASE( test_main )
  80 {
  81    typedef boost::multiprecision::number<boost::multiprecision::cpp_dec_float<40> > dec_40;
  82    expected_results();
  83    BOOST_MATH_CONTROL_FP;
  84
  85 #ifndef BOOST_MATH_BUGGY_LARGE_FLOAT_CONSTANTS
  86    test_spots(0.0F, "float");
  87 #endif
  88    test_spots(0.0, "double");
  89 #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
  90    test_spots(0.0L, "long double");
  91 #ifndef BOOST_MATH_NO_REAL_CONCEPT_TESTS
  92    test_spots(boost::math::concepts::real_concept(0.1), "real_concept");
  93 #endif
  94 #endif
  95    test_spots(boost::multiprecision::cpp_bin_float_quad(), "cpp_bin_float_quad");
  96    test_spots(dec_40(), "dec_40");
  97 }