add valarray

sprout/valarray/hash.hpp

@@ -0,0 +1,45 @@
+/*=============================================================================
+  Copyright (c) 2011-2016 Bolero MURAKAMI
+  https://github.com/bolero-MURAKAMI/Sprout
+
+  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 SPROUT_VALARRAY_HASH_HPP
+#define SPROUT_VALARRAY_HASH_HPP
+
+#include <functional>
+#include <sprout/config.hpp>
+#include <sprout/workaround/std/cstddef.hpp>
+#include <sprout/valarray/valarray.hpp>
+#include <sprout/functional/hash.hpp>
+
+namespace sprout {
+	//
+	// hash_value
+	//
+	template<typename T, std::size_t N>
+	inline SPROUT_CONSTEXPR std::size_t
+	hash_value(sprout::valarray<T, N> const& v) {
+		return sprout::hash_range(v);
+	}
+}	// namespace sprout
+
+namespace std {
+#if defined(__clang__)
+#	pragma clang diagnostic push
+#	pragma clang diagnostic ignored "-Wmismatched-tags"
+#endif
+	//
+	// hash
+	//
+	template<typename T, std::size_t N>
+	struct hash<sprout::valarray<T, N> >
+		: public sprout::hash<sprout::valarray<T, N> >
+	{};
+#if defined(__clang__)
+#	pragma clang diagnostic pop
+#endif
+}	// namespace std
+
+#endif	// #ifndef SPROUT_VALARRAY_HASH_HPP