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10c19df918
* Added fraction accumulator * Added binomial proportion interval computers: Wald, Wilson Score, Clopper Pearson, Jeffreys * Width of intervals for all classes can be set via deviation or confidence_level * Support valarray in histogram::fill * Add fraction and count to user guide Co-authored-by: Hans Dembinski <hans.dembinski@gmail.com> Co-authored-by: Hans Dembinski <HDembinski@users.noreply.github.com>
78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
// Copyright 2022 Hans Dembinski
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/core/lightweight_test.hpp>
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#include <boost/histogram/accumulators/fraction.hpp>
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#include <boost/histogram/utility/wilson_interval.hpp>
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#include <cmath>
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#include <limits>
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#include "is_close.hpp"
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#include "throw_exception.hpp"
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using namespace boost::histogram::utility;
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using namespace boost::histogram::accumulators;
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template <class T>
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void test() {
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const double atol = std::numeric_limits<T>::epsilon();
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wilson_interval<T> iv;
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{
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const auto x = iv(0, 0);
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BOOST_TEST(std::isnan(x.first));
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BOOST_TEST(std::isnan(x.second));
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}
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{
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const auto x = iv(0, 1);
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BOOST_TEST_IS_CLOSE(x.first, 0.0, atol);
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BOOST_TEST_IS_CLOSE(x.second, 0.5, atol);
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fraction<T> f(0, 1);
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const auto y = iv(f);
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BOOST_TEST_IS_CLOSE(y.first, 0.0, atol);
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BOOST_TEST_IS_CLOSE(y.second, 0.5, atol);
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}
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{
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const auto x = iv(1, 0);
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BOOST_TEST_IS_CLOSE(x.first, 0.5, atol);
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BOOST_TEST_IS_CLOSE(x.second, 1.0, atol);
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fraction<T> f(1, 0);
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const auto y = iv(f);
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BOOST_TEST_IS_CLOSE(y.first, 0.5, atol);
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BOOST_TEST_IS_CLOSE(y.second, 1.0, atol);
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}
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{
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const auto x = iv(5, 5);
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BOOST_TEST_IS_CLOSE(x.first, 0.3492443277111182, atol);
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BOOST_TEST_IS_CLOSE(x.second, 0.6507556722888819, atol);
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}
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{
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const auto x = iv(1, 9);
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BOOST_TEST_IS_CLOSE(x.first, 0.03887449732033081, atol);
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BOOST_TEST_IS_CLOSE(x.second, 0.23385277540694188, atol);
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}
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{
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const auto x = iv(9, 1);
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BOOST_TEST_IS_CLOSE(x.first, 0.7661472245930581, atol);
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BOOST_TEST_IS_CLOSE(x.second, 0.9611255026796692, atol);
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}
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}
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int main() {
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test<float>();
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test<double>();
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return boost::report_errors();
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}
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