Added thirdparty: boost library

2026-08-18 13:18:12 +00:00 · 2024-01-06 19:55:56 +02:00
parent bf49f439e1
commit bccd1e7051
15683 changed files with 3239840 additions and 0 deletions
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+/*!
+@file
+Defines operators for Orderables.
+
+Copyright Louis Dionne 2013-2022
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+ */
+
+#ifndef BOOST_HANA_DETAIL_OPERATORS_ORDERABLE_HPP
+#define BOOST_HANA_DETAIL_OPERATORS_ORDERABLE_HPP
+
+#include <boost/hana/config.hpp>
+#include <boost/hana/core/tag_of.hpp>
+#include <boost/hana/fwd/greater.hpp>
+#include <boost/hana/fwd/greater_equal.hpp>
+#include <boost/hana/fwd/less.hpp>
+#include <boost/hana/fwd/less_equal.hpp>
+
+#include <type_traits>
+
+
+namespace boost { namespace hana { namespace detail {
+    template <typename Tag>
+    struct orderable_operators {
+        static constexpr bool value = false;
+    };
+
+    namespace operators {
+        template <typename X, typename Y, typename = typename std::enable_if<
+            detail::orderable_operators<typename hana::tag_of<X>::type>::value ||
+            detail::orderable_operators<typename hana::tag_of<Y>::type>::value
+        >::type>
+        constexpr auto operator<(X&& x, Y&& y)
+        { return hana::less(static_cast<X&&>(x), static_cast<Y&&>(y)); }
+
+        template <typename X, typename Y, typename = typename std::enable_if<
+            detail::orderable_operators<typename hana::tag_of<X>::type>::value ||
+            detail::orderable_operators<typename hana::tag_of<Y>::type>::value
+        >::type>
+        constexpr auto operator>(X&& x, Y&& y)
+        { return hana::greater(static_cast<X&&>(x), static_cast<Y&&>(y)); }
+
+        template <typename X, typename Y, typename = typename std::enable_if<
+            detail::orderable_operators<typename hana::tag_of<X>::type>::value ||
+            detail::orderable_operators<typename hana::tag_of<Y>::type>::value
+        >::type>
+        constexpr auto operator<=(X&& x, Y&& y)
+        { return hana::less_equal(static_cast<X&&>(x), static_cast<Y&&>(y)); }
+
+        template <typename X, typename Y, typename = typename std::enable_if<
+            detail::orderable_operators<typename hana::tag_of<X>::type>::value ||
+            detail::orderable_operators<typename hana::tag_of<Y>::type>::value
+        >::type>
+        constexpr auto operator>=(X&& x, Y&& y)
+        { return hana::greater_equal(static_cast<X&&>(x), static_cast<Y&&>(y)); }
+    } // end namespace operators
+} }} // end namespace boost::hana
+
+#endif // !BOOST_HANA_DETAIL_OPERATORS_ORDERABLE_HPP