math/test/test_polygamma.cpp
2016-07-22 09:27:15 +01:00

97 lines
3.4 KiB
C++

// (C) Copyright John Maddock 2014.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <pch_light.hpp>
#include "test_polygamma.hpp"
//#include <boost/cstdfloat.hpp>
void expected_results()
{
//
// Define the max and mean errors expected for
// various compilers and platforms.
//
const char* largest_type;
#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
if(boost::math::policies::digits<double, boost::math::policies::policy<> >() == boost::math::policies::digits<long double, boost::math::policies::policy<> >())
{
largest_type = "(long\\s+)?double|real_concept";
}
else
{
largest_type = "long double|real_concept";
}
#else
largest_type = "(long\\s+)?double|real_concept";
#endif
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
largest_type, // test type(s)
".*large arguments", // test data group
".*", 400, 200); // test function
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
largest_type, // test type(s)
".*negative.*", // test data group
".*", 800, 500); // test function
#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
if((std::numeric_limits<long double>::digits > std::numeric_limits<double>::digits)
&& (std::numeric_limits<long double>::digits - std::numeric_limits<double>::digits < 20))
{
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
"double", // test type(s)
".*bug cases.*", // test data group
".*", 100, 30); // test function
}
#endif
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
largest_type, // test type(s)
".*bug cases.*", // test data group
".*", 100000, 50000); // test function
add_expected_result(
".*", // compiler
".*", // stdlib
".*", // platform
largest_type, // test type(s)
".*", // test data group
".*", 40, 10); // 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;
}
BOOST_AUTO_TEST_CASE( test_main )
{
expected_results();
BOOST_MATH_CONTROL_FP;
test_polygamma(0.0F, "float");
test_polygamma(0.0, "double");
#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
test_polygamma(0.0L, "long double");
test_polygamma(boost::math::concepts::real_concept(0.1), "real_concept");
#endif
#ifdef BOOST_FLOAT128_C
//test_polygamma(BOOST_FLOAT128_C(0.0), "float128_t");
#endif
}