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- // 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)
- #include <boost/math/concepts/real_concept.hpp>
- #define BOOST_TEST_MAIN
- #include <boost/test/unit_test.hpp>
- #include <boost/test/tools/floating_point_comparison.hpp>
- #include <boost/math/special_functions/binomial.hpp>
- #include <boost/math/special_functions/trunc.hpp>
- #include <boost/math/tools/test.hpp>
- #include "functor.hpp"
- #include <boost/array.hpp>
- #include <iostream>
- #include <iomanip>
- #include "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 T>
- T binomial_wrapper(T n, T k)
- {
- #ifdef BINOMIAL_FUNCTION_TO_TEST
- return BINOMIAL_FUNCTION_TO_TEST(
- boost::math::itrunc(n),
- boost::math::itrunc(k));
- #else
- return boost::math::binomial_coefficient<T>(
- boost::math::itrunc(n),
- boost::math::itrunc(k));
- #endif
- }
- template <class T>
- void test_binomial(T, const char* type_name)
- {
- #if !(defined(ERROR_REPORTING_MODE) && !defined(BINOMIAL_FUNCTION_TO_TEST))
- using namespace std;
- typedef T (*func_t)(T, T);
- #if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
- func_t f = &binomial_wrapper<T>;
- #else
- func_t f = &binomial_wrapper;
- #endif
- #include "binomial_data.ipp"
- boost::math::tools::test_result<T> result = boost::math::tools::test_hetero<T>(
- binomial_data,
- bind_func<T>(f, 0, 1),
- extract_result<T>(2));
- std::cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
- "Test results for small arguments and type " << type_name << std::endl << std::endl;
- std::cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
- handle_test_result(result, binomial_data[result.worst()], result.worst(), type_name, "binomial_coefficient", "Binomials: small arguments");
- std::cout << std::endl;
- #include "binomial_large_data.ipp"
- result = boost::math::tools::test_hetero<T>(
- binomial_large_data,
- bind_func<T>(f, 0, 1),
- extract_result<T>(2));
- std::cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
- "Test results for large arguments and type " << type_name << std::endl << std::endl;
- std::cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
- handle_test_result(result, binomial_large_data[result.worst()], result.worst(), type_name, "binomial_coefficient", "Binomials: large arguments");
- std::cout << std::endl;
- #endif
- }
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