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math/test/git_issue_1419.cpp
2026-07-20 09:25:25 -04:00

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847 B
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// Copyright Matt Borland 2026
// 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)
//
// See: https://github.com/boostorg/math/issues/1419
#include <boost/math/statistics/univariate_statistics.hpp>
#include <algorithm>
#include <vector>
#include "math_unit_test.hpp"
int main()
{
std::vector<int> v = {3, 2, 1, 2};
const auto modes_unsorted = boost::math::statistics::mode(v);
std::sort(v.begin(), v.end());
const auto modes_sorted = boost::math::statistics::mode(v);
CHECK_EQUAL(modes_unsorted.size(), modes_sorted.size());
CHECK_EQUAL(modes_unsorted.front(), modes_sorted.front());
CHECK_EQUAL(modes_unsorted.front(), 2);
return boost::math::test::report_errors();
}