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- // Copyright 2015-2017 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 <algorithm>
- #include <boost/core/ignore_unused.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <boost/histogram/axis.hpp>
- #include <boost/histogram/axis/ostream.hpp>
- #include <boost/histogram/histogram.hpp>
- #include <boost/histogram/make_histogram.hpp>
- #include <boost/histogram/ostream.hpp>
- #include <cstdlib>
- #include <limits>
- #include <numeric>
- #include <sstream>
- #include <tuple>
- #include <utility>
- #include <vector>
- #include "throw_exception.hpp"
- #include "utility_histogram.hpp"
- using namespace boost::histogram;
- int main() {
- // special stuff that only works with dynamic_tag
- // init with vector of axis and vector of axis::variant
- {
- using R = axis::regular<>;
- using I = axis::integer<>;
- using V = axis::variable<>;
- auto v = std::vector<axis::variant<R, I, V>>();
- v.emplace_back(R{4, -1, 1});
- v.emplace_back(I{1, 7});
- v.emplace_back(V{1, 2, 3});
- auto h = make_histogram(v.begin(), v.end());
- BOOST_TEST_EQ(h.rank(), 3);
- BOOST_TEST_EQ(h.axis(0), v[0]);
- BOOST_TEST_EQ(h.axis(1), v[1]);
- BOOST_TEST_EQ(h.axis(2), v[2]);
- auto h2 = make_histogram_with(std::vector<int>(), v);
- BOOST_TEST_EQ(h2.rank(), 3);
- BOOST_TEST_EQ(h2.axis(0), v[0]);
- BOOST_TEST_EQ(h2.axis(1), v[1]);
- BOOST_TEST_EQ(h2.axis(2), v[2]);
- auto v2 = std::vector<R>();
- v2.emplace_back(10, 0, 1);
- v2.emplace_back(20, 0, 2);
- auto h3 = make_histogram(v2);
- BOOST_TEST_EQ(h3.axis(0), v2[0]);
- BOOST_TEST_EQ(h3.axis(1), v2[1]);
- }
- // too many axes
- {
- using I = axis::integer<int, axis::null_type, axis::option::none_t>;
- // test edge case
- auto av = std::vector<I>(BOOST_HISTOGRAM_DETAIL_AXES_LIMIT, I(0, 1));
- auto h = make_histogram(av);
- auto inputs = std::vector<std::vector<int>>(BOOST_HISTOGRAM_DETAIL_AXES_LIMIT,
- std::vector<int>(1, 0));
- h.fill(inputs); // should not crash
- auto bad = std::vector<I>(BOOST_HISTOGRAM_DETAIL_AXES_LIMIT + 1, I(0, 1));
- boost::ignore_unused(bad);
- BOOST_TEST_THROWS((void)make_histogram(bad), std::invalid_argument);
- }
- // bad fill
- {
- auto a = axis::integer<>(0, 1);
- auto b = make(dynamic_tag(), a);
- BOOST_TEST_THROWS(b(0, 0), std::invalid_argument);
- auto c = make(dynamic_tag(), a, a);
- BOOST_TEST_THROWS(c(0), std::invalid_argument);
- auto d = make(dynamic_tag(), a);
- BOOST_TEST_THROWS(d(std::string()), std::invalid_argument);
- struct axis2d {
- auto index(const std::tuple<double, double>& x) const {
- return axis::index_type{std::get<0>(x) == 1 && std::get<1>(x) == 2};
- }
- auto size() const { return axis::index_type{2}; }
- } e;
- auto f = make(dynamic_tag(), a, e);
- BOOST_TEST_THROWS(f(0, 0, 0), std::invalid_argument);
- BOOST_TEST_THROWS(f(0, std::make_tuple(0, 0), 1), std::invalid_argument);
- }
- // bad at
- {
- auto h1 = make(dynamic_tag(), axis::integer<>(0, 2));
- h1(1);
- BOOST_TEST_THROWS(h1.at(0, 0), std::invalid_argument);
- BOOST_TEST_THROWS(h1.at(std::make_tuple(0, 0)), std::invalid_argument);
- }
- // incompatible axis variant methods
- {
- auto c = make(dynamic_tag(), axis::category<std::string>({"A", "B"}));
- BOOST_TEST_THROWS(c.axis().value(0), std::runtime_error);
- }
- {
- auto h = make_histogram(std::vector<axis::integer<>>(1, axis::integer<>(0, 3)));
- h(0);
- h(1);
- h(2);
- BOOST_TEST_EQ(h.at(0), 1);
- BOOST_TEST_EQ(h.at(1), 1);
- BOOST_TEST_EQ(h.at(2), 1);
- }
- return boost::report_errors();
- }
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