histogram/test/utility_histogram.hpp

53 lines
1.4 KiB
C++

// 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/ostream.hpp>
#include <boost/histogram/axis/variant.hpp>
#include <boost/histogram/make_histogram.hpp>
#include <boost/histogram/ostream.hpp>
#include <type_traits>
#include <vector>
namespace boost {
namespace histogram {
template <typename... Ts>
auto make_axis_vector(Ts&&... ts) {
using T = axis::variant<detail::naked<Ts>...>;
return std::vector<T>({T(std::forward<Ts>(ts))...});
}
using static_tag = std::false_type;
using dynamic_tag = std::true_type;
template <typename... Axes>
auto make(static_tag, Axes&&... axes) {
return make_histogram(std::forward<Axes>(axes)...);
}
template <typename S, typename... Axes>
auto make_s(static_tag, S&& s, Axes&&... axes) {
return make_histogram_with(s, std::forward<Axes>(axes)...);
}
template <typename... Axes>
auto make(dynamic_tag, Axes&&... axes) {
return make_histogram(make_axis_vector(std::forward<Axes>(axes)...));
}
template <typename S, typename... Axes>
auto make_s(dynamic_tag, S&& s, Axes&&... axes) {
return make_histogram_with(s, make_axis_vector(std::forward<Axes>(axes)...));
}
} // namespace histogram
} // namespace boost
#endif