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ROBLOX2016
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Library/boost/libs/histogram/test/boost_range_support_test.cpp
29 строк
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19 дек 2024, 19:11
19 дек 2024, 19:11
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// Copyright 2018-2019 Hans Dembinski // // Distributed under 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) #include <boost/core/lightweight_test.hpp> #include <boost/histogram/axis/integer.hpp> #include "throw_exception.hpp" #include <boost/histogram/histogram.hpp> #include <boost/histogram/make_histogram.hpp> #include <boost/range/adaptor/filtered.hpp> #include <boost/range/numeric.hpp> using namespace boost::histogram; using namespace boost::adaptors; int main() { auto h = make_histogram(axis::integer<>(1, 4)); h(1, weight(1)); h(2, weight(2)); h(3, weight(3)); h(4, weight(4)); auto s1 = boost::accumulate(h | filtered([](double x) { return x > 2; }), 0.0); BOOST_TEST_EQ(s1, 7); return boost::report_errors(); }