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- // Copyright 2018 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 <array>
- #include <boost/core/lightweight_test.hpp>
- #include <boost/histogram/accumulators/weighted_sum.hpp>
- #include <boost/histogram/algorithm/sum.hpp>
- #include <boost/histogram/axis/integer.hpp>
- #include "throw_exception.hpp"
- #include <unordered_map>
- #include <vector>
- #include "utility_histogram.hpp"
- using namespace boost::histogram;
- using boost::histogram::algorithm::sum;
- template <typename Tag>
- void run_tests() {
- auto ax = axis::integer<>(0, 100);
- auto h1 = make(Tag(), ax);
- for (unsigned i = 0; i < 100; ++i) h1(i);
- BOOST_TEST_EQ(sum(h1), 100);
- auto h2 = make_s(Tag(), std::vector<double>(), ax, ax);
- for (unsigned i = 0; i < 100; ++i)
- for (unsigned j = 0; j < 100; ++j) h2(i, j);
- BOOST_TEST_EQ(sum(h2), 10000);
- auto h3 = make_s(Tag(), std::array<int, 102>(), ax);
- for (unsigned i = 0; i < 100; ++i) h3(i);
- BOOST_TEST_EQ(sum(h3), 100);
- auto h4 = make_s(Tag(), std::unordered_map<std::size_t, int>(), ax);
- for (unsigned i = 0; i < 100; ++i) h4(i);
- BOOST_TEST_EQ(sum(h4), 100);
- auto h5 =
- make_s(Tag(), std::vector<accumulators::weighted_sum<>>(), axis::integer<>(0, 1),
- axis::integer<int, axis::null_type, axis::option::none_t>(2, 4));
- h5(weight(2), 0, 2);
- h5(-1, 2);
- h5(1, 3);
- const auto v = algorithm::sum(h5);
- BOOST_TEST_EQ(v.value(), 4);
- BOOST_TEST_EQ(v.variance(), 6);
- }
- int main() {
- run_tests<static_tag>();
- run_tests<dynamic_tag>();
- return boost::report_errors();
- }
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