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81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
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// Copyright John Maddock 2006.
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// Copyright Paul A. Bristow 2007, 2009
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/math/concepts/real_concept.hpp>
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#define BOOST_TEST_MAIN
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#include <boost/test/unit_test.hpp>
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#include <boost/test/floating_point_comparison.hpp>
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#include <boost/math/special_functions/binomial.hpp>
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#include <boost/math/special_functions/trunc.hpp>
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#include <boost/math/tools/test.hpp>
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#include "functor.hpp"
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#include <boost/array.hpp>
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#include <iostream>
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#include <iomanip>
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#include "handle_test_result.hpp"
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#include "table_type.hpp"
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#ifndef SC_
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#define SC_(x) static_cast<typename table_type<T>::type>(BOOST_JOIN(x, L))
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#endif
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template <class T>
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T binomial_wrapper(T n, T k)
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{
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#ifdef BINOMIAL_FUNCTION_TO_TEST
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return BINOMIAL_FUNCTION_TO_TEST(
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boost::math::itrunc(n),
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boost::math::itrunc(k));
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#else
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return boost::math::binomial_coefficient<T>(
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boost::math::itrunc(n),
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boost::math::itrunc(k));
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#endif
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}
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template <class T>
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void test_binomial(T, const char* type_name)
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{
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#if !(defined(ERROR_REPORTING_MODE) && !defined(BINOMIAL_FUNCTION_TO_TEST))
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using namespace std;
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typedef T (*func_t)(T, T);
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#if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
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func_t f = &binomial_wrapper<T>;
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#else
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func_t f = &binomial_wrapper;
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#endif
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#include "binomial_data.ipp"
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boost::math::tools::test_result<T> result = boost::math::tools::test_hetero<T>(
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binomial_data,
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bind_func<T>(f, 0, 1),
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extract_result<T>(2));
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std::cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
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"Test results for small arguments and type " << type_name << std::endl << std::endl;
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std::cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
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handle_test_result(result, binomial_data[result.worst()], result.worst(), type_name, "binomial_coefficient", "Binomials: small arguments");
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std::cout << std::endl;
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#include "binomial_large_data.ipp"
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result = boost::math::tools::test_hetero<T>(
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binomial_large_data,
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bind_func<T>(f, 0, 1),
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extract_result<T>(2));
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std::cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
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"Test results for large arguments and type " << type_name << std::endl << std::endl;
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std::cout << "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
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handle_test_result(result, binomial_large_data[result.worst()], result.worst(), type_name, "binomial_coefficient", "Binomials: large arguments");
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std::cout << std::endl;
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#endif
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}
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