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https://github.com/saitohirga/WSJT-X.git
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94 lines
3.2 KiB
C++
94 lines
3.2 KiB
C++
// Copyright John Maddock 2005.
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// Copyright Paul A. Bristow 2010
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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/array.hpp>
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#include "functor.hpp"
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#include "handle_test_result.hpp"
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#include "table_type.hpp"
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template <class Real, class T>
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void do_test(const T& data, const char* type_name, const char* test_name)
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{
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typedef Real value_type;
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typedef value_type (*pg)(value_type);
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#ifdef LOG1P_FUNCTION_TO_TEST
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pg funcp = LOG1P_FUNCTION_TO_TEST;
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#elif defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
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pg funcp = &boost::math::log1p<value_type>;
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#else
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pg funcp = &boost::math::log1p;
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#endif
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boost::math::tools::test_result<value_type> result;
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std::cout << "Testing " << test_name << " with type " << type_name
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<< "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
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//
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// test log1p against data:
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//
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#if !(defined(ERROR_REPORTING_MODE) && !defined(LOG1P_FUNCTION_TO_TEST))
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result = boost::math::tools::test_hetero<Real>(
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data,
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bind_func<Real>(funcp, 0),
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extract_result<Real>(1));
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handle_test_result(result, data[result.worst()], result.worst(), type_name, "log1p", "Random test data");
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std::cout << std::endl;
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#endif
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#if !(defined(ERROR_REPORTING_MODE) && !defined(EXPM1_FUNCTION_TO_TEST))
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//
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// test expm1 against data:
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//
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#ifdef EXPM1_FUNCTION_TO_TEST
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funcp = EXPM1_FUNCTION_TO_TEST;
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#elif defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
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funcp = boost::math::expm1<value_type>;
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#else
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funcp = boost::math::expm1;
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#endif
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result = boost::math::tools::test_hetero<Real>(
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data,
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bind_func<Real>(funcp, 0),
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extract_result<Real>(2));
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handle_test_result(result, data[result.worst()], result.worst(), type_name, "expm1", "Random test data");
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std::cout << std::endl;
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#endif
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}
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template <class T>
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void test(T, const char* type_name)
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{
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# include "log1p_expm1_data.ipp"
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do_test<T>(log1p_expm1_data, type_name, "expm1 and log1p");
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//
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// C99 Appendix F special cases:
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static const T zero = 0;
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static const T m_one = -1;
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BOOST_CHECK_EQUAL(boost::math::log1p(zero), zero);
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BOOST_CHECK_EQUAL(boost::math::log1p(T(-zero)), zero);
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BOOST_CHECK_EQUAL(boost::math::expm1(zero), zero);
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if(std::numeric_limits<T>::has_infinity)
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{
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BOOST_CHECK_EQUAL(boost::math::log1p(m_one), -std::numeric_limits<T>::infinity());
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BOOST_CHECK_EQUAL(boost::math::expm1(T(-std::numeric_limits<T>::infinity())), m_one);
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BOOST_CHECK_EQUAL(boost::math::expm1(std::numeric_limits<T>::infinity()), std::numeric_limits<T>::infinity());
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#ifndef __BORLANDC__
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#ifndef BOOST_NO_EXCEPTIONS
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// When building with Borland's compiler, simply the *presence*
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// of these tests cause other unrelated tests to fail!!! :-(
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using namespace boost::math::policies;
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typedef policy<overflow_error<throw_on_error> > pol;
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BOOST_MATH_CHECK_THROW(boost::math::log1p(m_one, pol()), std::overflow_error);
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BOOST_MATH_CHECK_THROW(boost::math::expm1(std::numeric_limits<T>::infinity(), pol()), std::overflow_error);
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#endif
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#endif
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}
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}
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