1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889 |
- // Copyright John Maddock 2006.
- // Copyright Paul A. Bristow 2007, 2009
- // 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)
- #define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
- #include <boost/math/special_functions/gamma.hpp>
- #define BOOST_TEST_MAIN
- #include <boost/test/unit_test.hpp>
- #include <boost/test/floating_point_comparison.hpp>
- #include <boost/math/tools/stats.hpp>
- #include <boost/math/tools/test.hpp>
- #include <boost/math/constants/constants.hpp>
- #include <boost/type_traits/is_floating_point.hpp>
- #include <boost/array.hpp>
- #include "libs/math/test/functor.hpp"
- #include "libs/math/test/handle_test_result.hpp"
- #include "../table_type.hpp"
- #ifndef SC_
- #define SC_(x) static_cast<typename table_type<T>::type>(BOOST_JOIN(x, L))
- #endif
- template <class Real, class T>
- void do_test_gamma(const T& data, const char* type_name, const char* test_name)
- {
- typedef typename T::value_type row_type;
- typedef Real value_type;
- typedef value_type (*pg)(value_type);
- #if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
- pg funcp = boost::math::tgamma<value_type>;
- #else
- pg funcp = boost::math::tgamma;
- #endif
- boost::math::tools::test_result<value_type> result;
- std::cout << "Testing " << test_name << " with type " << type_name
- << "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
- //
- // test tgamma against data:
- //
- result = boost::math::tools::test_hetero<Real>(
- data,
- bind_func<Real>(funcp, 0),
- extract_result<Real>(1));
- handle_test_result(result, data[result.worst()], result.worst(), type_name, "boost::math::tgamma", test_name);
- //
- // test lgamma against data:
- //
- #if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
- funcp = boost::math::lgamma<value_type>;
- #else
- funcp = boost::math::lgamma;
- #endif
- result = boost::math::tools::test_hetero<Real>(
- data,
- bind_func<Real>(funcp, 0),
- extract_result<Real>(2));
- handle_test_result(result, data[result.worst()], result.worst(), type_name, "boost::math::lgamma", test_name);
- std::cout << std::endl;
- }
- template <class T>
- void test_gamma(T, const char* name)
- {
- #include "gamma.ipp"
- do_test_gamma<T>(gamma, name, "random values");
- #include "gamma_1_2.ipp"
- do_test_gamma<T>(gamma_1_2, name, "Values near 1 and 2");
- #include "gamma_0.ipp"
- do_test_gamma<T>(gamma_0, name, "Values near 0");
- #include "gamma_neg.ipp"
- do_test_gamma<T>(gamma_neg, name, "Negative arguments");
- }
|