181 lines
6.9 KiB
C++
181 lines
6.9 KiB
C++
// (C) Copyright John Maddock 2006.
|
|
// 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_tgamma_ratio.hpp"
|
|
|
|
//
|
|
// DESCRIPTION:
|
|
// ~~~~~~~~~~~~
|
|
//
|
|
// This file tests the gamma ratio functions tgamma_ratio,
|
|
// and tgamma_delta_ratio. The accuracy tests
|
|
// use values generated with NTL::RR at 1000-bit precision
|
|
// and our generic versions of these functions.
|
|
//
|
|
// Note that when this file is first run on a new platform many of
|
|
// these tests will fail: the default accuracy is 1 epsilon which
|
|
// is too tight for most platforms. In this situation you will
|
|
// need to cast a human eye over the error rates reported and make
|
|
// a judgement as to whether they are acceptable. Either way please
|
|
// report the results to the Boost mailing list. Acceptable rates of
|
|
// error are marked up below as a series of regular expressions that
|
|
// identify the compiler/stdlib/platform/data-type/test-data/test-function
|
|
// along with the maximum expected peek and RMS mean errors for that
|
|
// test.
|
|
//
|
|
|
|
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";
|
|
}
|
|
else
|
|
{
|
|
largest_type = "long double";
|
|
}
|
|
#else
|
|
largest_type = "(long\\s+)?double";
|
|
#endif
|
|
//
|
|
// HP-UX
|
|
// This is a weird one, HP-UX and Mac OS X show up errors at float
|
|
// precision, that don't show up on other platforms.
|
|
// There appears to be some kind of rounding issue going on (not enough
|
|
// precision in the input to get the answer right):
|
|
//
|
|
add_expected_result(
|
|
"[^|]*", // compiler
|
|
"[^|]*", // stdlib
|
|
"HP-UX|Mac OS|linux|.*(bsd|BSD).*", // platform
|
|
"float", // test type(s)
|
|
"[^|]*", // test data group
|
|
"tgamma_ratio[^|]*", 35, 8); // test function
|
|
//
|
|
// Linux AMD x86em64 has slightly higher rates:
|
|
//
|
|
add_expected_result(
|
|
"[^|]*", // compiler
|
|
"[^|]*", // stdlib
|
|
"linux.*", // platform
|
|
largest_type, // test type(s)
|
|
"[^|]*", // test data group
|
|
"tgamma_ratio[^|]*", 300, 100); // test function
|
|
add_expected_result(
|
|
"[^|]*", // compiler
|
|
"[^|]*", // stdlib
|
|
"linux.*", // platform
|
|
"real_concept", // test type(s)
|
|
"[^|]*", // test data group
|
|
"tgamma_ratio[^|]*", 300, 100); // test function
|
|
|
|
add_expected_result(
|
|
"GNU.*", // compiler
|
|
"[^|]*", // stdlib
|
|
"Win32.*", // platform
|
|
largest_type, // test type(s)
|
|
"[^|]*", // test data group
|
|
"tgamma_ratio[^|]*", 300, 100); // test function
|
|
//
|
|
// Solaris:
|
|
//
|
|
add_expected_result(
|
|
"[^|]*", // compiler
|
|
"[^|]*", // stdlib
|
|
".*Solaris.*", // platform
|
|
largest_type, // test type(s)
|
|
"[^|]*", // test data group
|
|
"tgamma_ratio[^|]*", 200, 100); // test function
|
|
//
|
|
// Catch all cases come last:
|
|
//
|
|
add_expected_result(
|
|
"[^|]*", // compiler
|
|
"[^|]*", // stdlib
|
|
"[^|]*", // platform
|
|
largest_type, // test type(s)
|
|
"[^|]*", // test data group
|
|
"tgamma_delta_ratio[^|]*", 30, 20); // test function
|
|
add_expected_result(
|
|
"[^|]*", // compiler
|
|
"[^|]*", // stdlib
|
|
"[^|]*", // platform
|
|
largest_type, // test type(s)
|
|
"[^|]*", // test data group
|
|
"tgamma_ratio[^|]*", 100, 50); // test function
|
|
add_expected_result(
|
|
"[^|]*", // compiler
|
|
"[^|]*", // stdlib
|
|
"[^|]*", // platform
|
|
"real_concept", // test type(s)
|
|
"[^|]*", // test data group
|
|
"tgamma_delta_ratio[^|]*", 50, 20); // test function
|
|
add_expected_result(
|
|
"[^|]*", // compiler
|
|
"[^|]*", // stdlib
|
|
"[^|]*", // platform
|
|
"real_concept", // test type(s)
|
|
"[^|]*", // test data group
|
|
"[^|]*", 250, 150); // 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 )
|
|
{
|
|
BOOST_MATH_CONTROL_FP;
|
|
expected_results();
|
|
|
|
#ifndef BOOST_MATH_BUGGY_LARGE_FLOAT_CONSTANTS
|
|
test_tgamma_ratio(0.1F, "float");
|
|
#endif
|
|
test_tgamma_ratio(0.1, "double");
|
|
#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
|
|
test_tgamma_ratio(0.1L, "long double");
|
|
#ifndef BOOST_MATH_NO_REAL_CONCEPT_TESTS
|
|
#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582))
|
|
test_tgamma_ratio(boost::math::concepts::real_concept(0.1), "real_concept");
|
|
#endif
|
|
#endif
|
|
#else
|
|
std::cout << "<note>The long double tests have been disabled on this platform "
|
|
"either because the long double overloads of the usual math functions are "
|
|
"not available at all, or because they are too inaccurate for these tests "
|
|
"to pass.</note>" << std::endl;
|
|
#endif
|
|
|
|
#ifndef BOOST_MATH_BUGGY_LARGE_FLOAT_CONSTANTS
|
|
test_spots(0.1F, "float");
|
|
#endif
|
|
test_spots(0.1, "double");
|
|
#ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
|
|
test_spots(0.1L, "long double");
|
|
#ifndef BOOST_MATH_NO_REAL_CONCEPT_TESTS
|
|
#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582))
|
|
test_spots(boost::math::concepts::real_concept(0.1), "real_concept");
|
|
#endif
|
|
#endif
|
|
#else
|
|
std::cout << "<note>The long double tests have been disabled on this platform "
|
|
"either because the long double overloads of the usual math functions are "
|
|
"not available at all, or because they are too inaccurate for these tests "
|
|
"to pass.</note>" << std::endl;
|
|
#endif
|
|
}
|
|
|
|
|