multiprecision/test/math/test_gamma.cpp

103 lines
3.5 KiB
C++

///////////////////////////////////////////////////////////////
// Copyright 2011 John Maddock. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
#include "setup.hpp"
#include "table_type.hpp"
#define TEST_UDT
#include <boost/math/special_functions/math_fwd.hpp>
#include "libs/math/test/test_gamma.hpp"
void expected_results()
{
//
// Define the max and mean errors expected for
// various compilers and platforms.
//
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
".*gmp_float<18>.*", // test type(s)
".*", // test data group
"tgamma", 4000, 2500); // test function
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
".*mpfr_float_backend<0>.*", // test type(s)
"factorials", // test data group
"tgamma", 400, 100); // test function
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
".*", // test type(s)
"factorials", // test data group
"tgamma", 170, 70); // test function
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
".*", // test type(s)
"factorials", // test data group
"lgamma", 750, 100); // test function
#ifdef BOOST_INTEL
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
"float128", // test type(s)
".*near -.*", // test data group
".*", 150000L, 30000L); // test function
#endif
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
".*", // test type(s)
"near.*", // test data group
"tgamma", 250, 120); // test function
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
".*", // test type(s)
"near.*", // test data group
"lgamma", 1400, 250); // test function
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
".*", // test type(s)
"tgamma1pm1.*", // test data group
"tgamma1pm1", 1500, 400); // test function
//
// Finish off by printing out the compiler/stdlib/platform names,
// we do this to make it easier to mark up expected error rates.
//
std::cout << "Tests run with " << BOOST_COMPILER << ", "
<< BOOST_STDLIB << ", " << BOOST_PLATFORM << std::endl;
}
template <class T>
void test(T t, const char* p)
{
test_gamma(t, p);
}
BOOST_AUTO_TEST_CASE(test_main)
{
using namespace boost::multiprecision;
expected_results();
//
// Test at:
// 18 decimal digits: tests 80-bit long double approximations
// 30 decimal digits: tests 128-bit long double approximations
// 35 decimal digits: tests arbitrary precision code
//
ALL_TESTS
}