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