73ef4ff3
 Hu Chunming
提交三方库
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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)
#ifndef BOOST_HISTOGRAM_TEST_UTILITY_HISTOGRAM_HPP
#define BOOST_HISTOGRAM_TEST_UTILITY_HISTOGRAM_HPP
#include <boost/histogram/axis/category.hpp>
#include <boost/histogram/axis/integer.hpp>
#include <boost/histogram/axis/regular.hpp>
#include <boost/histogram/axis/variable.hpp>
#include <boost/histogram/axis/variant.hpp>
#include <boost/histogram/make_histogram.hpp>
#include <boost/mp11/algorithm.hpp>
#include <type_traits>
#include <vector>
namespace boost {
namespace histogram {
template <class... Ts>
auto make_axis_vector(const Ts&... ts) {
// make sure the variant is never trivial (contains only one type)
using R = axis::regular<double, boost::use_default, axis::null_type>;
using I = axis::integer<int, axis::null_type, axis::option::none_t>;
using V = axis::variable<double, axis::null_type>;
using C = axis::category<int, axis::null_type>;
using Var = boost::mp11::mp_unique<axis::variant<Ts..., R, I, V, C>>;
return std::vector<Var>({Var(ts)...});
}
struct static_tag : std::false_type {};
struct dynamic_tag : std::true_type {};
template <class... Axes>
auto make(static_tag, const Axes&... axes) {
return make_histogram(axes...);
}
template <class S, class... Axes>
auto make_s(static_tag, S&& s, const Axes&... axes) {
return make_histogram_with(s, axes...);
}
template <class... Axes>
auto make(dynamic_tag, const Axes&... axes) {
return make_histogram(make_axis_vector(axes...));
}
template <class S, class... Axes>
auto make_s(dynamic_tag, S&& s, const Axes&... axes) {
return make_histogram_with(s, make_axis_vector(axes...));
}
} // namespace histogram
} // namespace boost
#endif
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