libs/multiprecision/test/math/test_bessel_k.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_bessel_k.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       ".*",                          // test data group
  29       ".*", 2000, 1500);                // test function
  30 #ifdef BOOST_INTEL
  31    add_expected_result(
  32       ".*",                          // compiler
  33       ".*",                          // stdlib
  34       ".*",                          // platform
  35       ".*float128.*",                     // test type(s)
  36       ".*",                          // test data group
  37       ".*", 300, 100);                // test function
  38 #endif
  39    add_expected_result(
  40       ".*",                          // compiler
  41       ".*",                          // stdlib
  42       ".*",                          // platform
  43       ".*mpfr_float_backend<18>.*",  // test type(s)
  44       ".*",                          // test data group
  45       ".*", 3000, 1000);             // test function
  46    add_expected_result(
  47       ".*",                          // compiler
  48       ".*",                          // stdlib
  49       ".*",                          // platform
  50       ".*",                          // test type(s)
  51       ".*large.*",                   // test data group
  52       ".*", 80, 50);                 // test function
  53    add_expected_result(
  54       ".*",                          // compiler
  55       ".*",                          // stdlib
  56       ".*",                          // platform
  57       ".*cpp_bin_float.*",           // test type(s)
  58       ".*",                          // test data group
  59       ".*", 300, 150);               // test function
  60    add_expected_result(
  61       ".*",                          // compiler
  62       ".*",                          // stdlib
  63       ".*",                          // platform
  64       ".*",                          // test type(s)
  65       ".*",                          // test data group
  66       ".*", 50, 15);                 // test function
  67    //
  68    // Finish off by printing out the compiler/stdlib/platform names,
  69    // we do this to make it easier to mark up expected error rates.
  70    //
  71    std::cout << "Tests run with " << BOOST_COMPILER << ", "
  72       << BOOST_STDLIB << ", " << BOOST_PLATFORM << std::endl;
  73 }
  74
  75 template <class T>
  76 void test(T t, const char* p)
  77 {
  78    test_bessel(t, p);
  79 }
  80
  81 BOOST_AUTO_TEST_CASE( test_main )
  82 {
  83    using namespace boost::multiprecision;
  84    expected_results();
  85    //
  86    // Test at:
  87    // 18 decimal digits: tests 80-bit long double approximations
  88    // 30 decimal digits: tests 128-bit long double approximations
  89    // 35 decimal digits: tests arbitrary precision code
  90    //
  91    ALL_TESTS
  92 }
  93
  94
  95