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21 lines
504 B
C++
21 lines
504 B
C++
#include <boost/core/lightweight_test.hpp>
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#include <boost/histogram.hpp>
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#include <boost/range/adaptor/filtered.hpp>
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#include <boost/range/numeric.hpp>
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using namespace boost::histogram;
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using namespace boost::adaptors;
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int main() {
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auto h = make_histogram(axis::integer<>(1, 4));
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h(1, weight(1));
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h(2, weight(2));
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h(3, weight(3));
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h(4, weight(4));
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auto s1 = boost::accumulate(h | filtered([](double x) { return x > 2; }), 0.0);
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BOOST_TEST_EQ(s1, 7);
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return boost::report_errors();
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}
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