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