libs/multiprecision/test/math/test_erf.cpp

   1 ///////////////////////////////////////////////////////////////
   2 //  Copyright 2011 John Maddock. Distributed under the Boost
   3 //  Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
   5
   6 #include "setup.hpp"
   7 #include "table_type.hpp"
   8 #define TEST_UDT
   9
  10 #include <boost/math/special_functions/math_fwd.hpp>
  11 #include "libs/math/test/test_erf.hpp"
  12
  13 void expected_results()
  14 {
  15    //
  16    // Define the max and mean errors expected for
  17    // various compilers and platforms.
  18    //
  19    add_expected_result(
  20        ".*",                 // compiler
  21        ".*",                 // stdlib
  22        ".*",                 // platform
  23        ".*gmp_float<18>.*",  // test type(s)
  24        "Erf Function:.*",    // test data group
  25        "erfc?", 2200, 1500); // test function
  26    add_expected_result(
  27        ".*",                     // compiler
  28        ".*",                     // stdlib
  29        ".*",                     // platform
  30        ".*gmp_float<18>.*",      // test type(s)
  31        "Inverse Erf.*",          // test data group
  32        "erfc?_inv", 2200, 1500); // test function
  33 #ifdef BOOST_INTEL
  34    add_expected_result(
  35        ".*",                  // compiler
  36        ".*",                  // stdlib
  37        ".*",                  // platform
  38        "float128",            // test type(s)
  39        "Erf Function:.*",     // test data group
  40        "erfc?", 15000, 1000); // test function
  41 #endif
  42    add_expected_result(
  43        ".*",                 // compiler
  44        ".*",                 // stdlib
  45        ".*",                 // platform
  46        ".*cpp_bin_float.*",  // test type(s)
  47        "Erf Function:.*",    // test data group
  48        "erfc?", 3000, 1000); // test function
  49    add_expected_result(
  50        ".*",                        // compiler
  51        ".*",                        // stdlib
  52        ".*",                        // platform
  53        ".*mpfr_float_backend<0>.*", // test type(s)
  54        ".*",                        // test data group
  55        ".*", 600, 100);             // test function
  56    add_expected_result(
  57        ".*",               // compiler
  58        ".*",               // stdlib
  59        ".*",               // platform
  60        ".*",               // test type(s)
  61        "Erf Function:.*",  // test data group
  62        "erfc?", 300, 200); // test function
  63    add_expected_result(
  64        ".*",                 // compiler
  65        ".*",                 // stdlib
  66        ".*",                 // platform
  67        ".*",                 // test type(s)
  68        "Inverse Erf.*",      // test data group
  69        "erfc?_inv", 60, 20); // test function
  70    //
  71    // Finish off by printing out the compiler/stdlib/platform names,
  72    // we do this to make it easier to mark up expected error rates.
  73    //
  74    std::cout << "Tests run with " << BOOST_COMPILER << ", "
  75              << BOOST_STDLIB << ", " << BOOST_PLATFORM << std::endl;
  76 }
  77
  78 template <class T>
  79 void test(T t, const char* p)
  80 {
  81    test_erf(t, p);
  82 }
  83
  84 BOOST_AUTO_TEST_CASE(test_main)
  85 {
  86    using namespace boost::multiprecision;
  87    expected_results();
  88    //
  89    // Test at:
  90    // 18 decimal digits: tests 80-bit long double approximations
  91    // 30 decimal digits: tests 128-bit long double approximations
  92    // 35 decimal digits: tests arbitrary precision code
  93    //
  94    ALL_TESTS
  95 }