libs/multiprecision/test/math/test_beta.cpp

   1 ///////////////////////////////////////////////////////////////
   2 //  Copyright Christopher Kormanyos 2002 - 2011.
   3 //  Copyright 2011 John Maddock. Distributed under the Boost
   4 //  Software License, Version 1.0. (See accompanying file
   5 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_
   6 //
   7 // This work is based on an earlier work:
   8 // "Algorithm 910: A Portable C++ Multiple-Precision System for Special-Function Calculations",
   9 // in ACM TOMS, {VOL 37, ISSUE 4, (February 2011)} (C) ACM, 2011. http://doi.acm.org/10.1145/1916461.1916469
  10
  11 #include "setup.hpp"
  12 #include "table_type.hpp"
  13
  14 #include <boost/math/special_functions/math_fwd.hpp>
  15 #include "libs/math/test/test_beta.hpp"
  16
  17 void expected_results()
  18 {
  19    //
  20    // Define the max and mean errors expected for
  21    // various compilers and platforms.
  22    //
  23    add_expected_result(
  24       ".*",                          // compiler
  25       ".*",                          // stdlib
  26       ".*",                          // platform
  27       ".*gmp.*",                     // test type(s)
  28       "Beta Function: Medium.*",     // test data group
  29       "boost::math::beta", 2300, 1000); // test function
  30    add_expected_result(
  31       ".*",                          // compiler
  32       ".*",                          // stdlib
  33       ".*",                          // platform
  34       ".*gmp.*",                     // test type(s)
  35       "Beta Function: Divergent.*",  // test data group
  36       "boost::math::beta", 2200, 1000);   // test function
  37    add_expected_result(
  38       ".*",                          // compiler
  39       ".*",                          // stdlib
  40       ".*",                          // platform
  41       ".*mpfr_float_backend<18>.*",  // test type(s)
  42       "Beta Function: Small.*",      // test data group
  43       "boost::math::beta", 1000, 750); // test function
  44    add_expected_result(
  45       ".*",                          // compiler
  46       ".*",                          // stdlib
  47       ".*",                          // platform
  48       ".*",                          // test type(s)
  49       "Beta Function: Small.*",      // test data group
  50       "boost::math::beta", 8, 5);    // test function
  51    add_expected_result(
  52       ".*",                          // compiler
  53       ".*",                          // stdlib
  54       ".*",                          // platform
  55       ".*",                          // test type(s)
  56       "Beta Function: Medium.*",     // test data group
  57       "boost::math::beta", 1000, 750); // test function
  58    add_expected_result(
  59       ".*",                          // compiler
  60       ".*",                          // stdlib
  61       ".*",                          // platform
  62       ".*",                          // test type(s)
  63       "Beta Function: Divergent.*",  // test data group
  64       "boost::math::beta", 1000, 700);   // test function
  65    //
  66    // Finish off by printing out the compiler/stdlib/platform names,
  67    // we do this to make it easier to mark up expected error rates.
  68    //
  69    std::cout << "Tests run with " << BOOST_COMPILER << ", "
  70       << BOOST_STDLIB << ", " << BOOST_PLATFORM << std::endl;
  71 }
  72
  73 template <class T>
  74 void test(T t, const char* p)
  75 {
  76    test_beta(t, p);
  77 }
  78
  79 BOOST_AUTO_TEST_CASE( test_main )
  80 {
  81    using namespace boost::multiprecision;
  82    expected_results();
  83    //
  84    // Test at:
  85    // 18 decimal digits: tests 80-bit long double approximations
  86    // 30 decimal digits: tests 128-bit long double approximations
  87    // 35 decimal digits: tests arbitrary precision code
  88    //
  89    ALL_TESTS
  90 }
  91
  92
  93