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// Copyright John Maddock 2006.
// Copyright Paul A. Bristow 2007, 2009
// Copyright Matt Borland 2024
// 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
#define BOOST_MATH_PROMOTE_DOUBLE_POLICY false
#include <boost/math/concepts/real_concept.hpp>
#include <boost/math/special_functions/beta.hpp>
#include "math_unit_test.hpp"
template <class T>
void test_spots(T)
{
//
// Basic sanity checks, tolerance is 20 epsilon expressed as a percentage:
//
T tolerance = 20;
T small = boost::math::tools::epsilon<T>() / 1024;
CHECK_ULP_CLOSE(::boost::math::beta(static_cast<T>(1), static_cast<T>(1)), static_cast<T>(1), tolerance);
CHECK_ULP_CLOSE(::boost::math::beta(static_cast<T>(1), static_cast<T>(4)), static_cast<T>(0.25), tolerance);
CHECK_ULP_CLOSE(::boost::math::beta(static_cast<T>(4), static_cast<T>(1)), static_cast<T>(0.25), tolerance);
CHECK_ULP_CLOSE(::boost::math::beta(small, static_cast<T>(4)), 1/small, tolerance);
CHECK_ULP_CLOSE(::boost::math::beta(static_cast<T>(4), small), 1/small, tolerance);
CHECK_ULP_CLOSE(::boost::math::beta(small, static_cast<T>(4)), 1/small, tolerance);
CHECK_ULP_CLOSE(::boost::math::beta(static_cast<T>(4), static_cast<T>(20)), static_cast<T>(0.00002823263692828910220214568040654997176736L), tolerance);
}
int main()
{
test_spots(0.0F);
test_spots(0.0);
return boost::math::test::report_errors();
}
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