math/test/test_2F0.hpp
2019-08-10 08:50:12 -04:00

103 lines
3.1 KiB
C++

// 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/concepts/real_concept.hpp>
#include <boost/math/special_functions/math_fwd.hpp>
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>
#include <boost/test/tools/floating_point_comparison.hpp>
#include <boost/math/tools/stats.hpp>
#include <boost/math/tools/test.hpp>
#include <boost/math/tools/big_constant.hpp>
#include <boost/math/constants/constants.hpp>
#include <boost/type_traits/is_floating_point.hpp>
#include <boost/array.hpp>
#include "functor.hpp"
#include "handle_test_result.hpp"
#include "table_type.hpp"
#include <boost/math/special_functions/hypergeometric_2F0.hpp>
template <class Real, class T>
void do_test_2F0(const T& data, const char* type_name, const char* test_name)
{
typedef Real value_type;
typedef value_type(*pg)(value_type, value_type, value_type);
#if defined(BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS)
pg funcp = boost::math::hypergeometric_0F1<value_type, value_type>;
#else
pg funcp = boost::math::hypergeometric_2F0;
#endif
boost::math::tools::test_result<value_type> result;
std::cout << "Testing " << test_name << " with type " << type_name
<< "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n";
//
// test hypergeometric_2F0 against data:
//
result = boost::math::tools::test_hetero<Real>(
data,
bind_func<Real>(funcp, 0, 1, 2),
extract_result<Real>(3));
handle_test_result(result, data[result.worst()], result.worst(), type_name, "hypergeometric_0F1", test_name);
std::cout << std::endl;
}
#ifndef SC_
#define SC_(x) BOOST_MATH_BIG_CONSTANT(T, 1000000, x)
#endif
template <class T>
void test_spots1(T, const char* type_name)
{
#include "hypergeometric_2F0.ipp"
do_test_2F0<T>(hypergeometric_2F0, type_name, "Random non-integer a2, |z| < 1");
#include "hypergeometric_2F0_large_z.ipp"
do_test_2F0<T>(hypergeometric_2F0_large_z, type_name, "Random non-integer a2, |z| > 1");
}
template <class T>
void test_spots2(T, const char* type_name)
{
#include "hypergeometric_2F0_integer_a2.ipp"
do_test_2F0<T>(hypergeometric_2F0_integer_a2, type_name, "Integer a2, |z| > 1");
#include "hypergeometric_2F0_half.ipp"
do_test_2F0<T>(hypergeometric_2F0_half, type_name, "a1 = a2 + 0.5");
}
template <class T>
void test_spots(T z, const char* type_name)
{
test_spots1(z, type_name);
test_spots2(z, type_name);
T a1 = 1;
T a2 = 0.1f;
z = -1;
if (std::numeric_limits<T>::has_infinity)
{
BOOST_CHECK((boost::math::isinf)(boost::math::hypergeometric_2F0(a1, a2, z)));
z = 1;
BOOST_CHECK((boost::math::isinf)(boost::math::hypergeometric_2F0(a1, a2, z)));
a2 = -2.4f;
BOOST_CHECK((boost::math::isinf)(boost::math::hypergeometric_2F0(a1, a2, z)));
a1 = -0.5f;
BOOST_CHECK((boost::math::isinf)(boost::math::hypergeometric_2F0(a1, a2, z)));
}
}