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28 lines
1.1 KiB
C++
28 lines
1.1 KiB
C++
// Copyright Matt Borland, 2022
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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 or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See: https://github.com/boostorg/math/issues/889
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// See: https://github.com/scipy/scipy/issues/17388
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#include <array>
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#include <numeric>
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#include <boost/math/distributions/binomial.hpp>
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#include "math_unit_test.hpp"
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int main(void)
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{
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// Test case 1: Goes against scipy convention but is correct
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const auto binom_dist_1 {boost::math::binomial_distribution<double>(4, 0.5)};
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// https://www.wolframalpha.com/input?i=quantile%28binomial+distribution%284%2C0.5%29%2C0%29
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CHECK_ULP_CLOSE(boost::math::quantile(binom_dist_1, 0.0), 0.0, 1);
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// Test case 2 from linked issue
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const auto binom_dist_2 {boost::math::binomial_distribution<double>(4, 1)};
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// https://www.wolframalpha.com/input?i=quantile%28binomial+distribution%284%2C1%29%2C0.3%29
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CHECK_ULP_CLOSE(4.0, boost::math::quantile(binom_dist_2, 0.3), 1);
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return boost::math::test::report_errors();
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}
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