Initial Commit

.svn/pristine/20/20286848387d4154a0fbb3f373bf78ad2e74495b.svn-base

@@ -0,0 +1,63 @@
+
+//  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
+//  Use, modification and distribution are subject to 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).
+//
+//  See http://www.boost.org/libs/type_traits for most recent version including documentation.
+
+#ifndef BOOST_TT_HAS_TRIVIAL_COPY_HPP_INCLUDED
+#define BOOST_TT_HAS_TRIVIAL_COPY_HPP_INCLUDED
+
+#include <cstddef> // size_t
+#include <boost/type_traits/intrinsics.hpp>
+#include <boost/type_traits/is_pod.hpp>
+#include <boost/type_traits/is_reference.hpp>
+
+#if (defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 409)) || defined(BOOST_CLANG) || (defined(__SUNPRO_CC) && defined(BOOST_HAS_TRIVIAL_COPY))
+#include <boost/type_traits/is_copy_constructible.hpp>
+#define BOOST_TT_TRIVIAL_CONSTRUCT_FIX && is_copy_constructible<T>::value
+#else
+#define BOOST_TT_TRIVIAL_CONSTRUCT_FIX
+#endif
+
+#ifdef BOOST_INTEL
+#include <boost/type_traits/add_const.hpp>
+#include <boost/type_traits/add_lvalue_reference.hpp>
+#endif
+
+namespace boost {
+
+template <typename T> struct has_trivial_copy 
+: public integral_constant<bool, 
+#ifdef BOOST_HAS_TRIVIAL_COPY
+   BOOST_HAS_TRIVIAL_COPY(T) BOOST_TT_TRIVIAL_CONSTRUCT_FIX
+#else
+   ::boost::is_pod<T>::value
+#endif
+>{};
+// Arrays are not explicitly copyable:
+template <typename T, std::size_t N> struct has_trivial_copy<T[N]> : public false_type{};
+template <typename T> struct has_trivial_copy<T[]> : public false_type{};
+// Are volatile types ever trivial?  We don't really know, so assume not:
+template <typename T> struct has_trivial_copy<T volatile> : public false_type{};
+
+template <> struct has_trivial_copy<void> : public false_type{};
+#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
+template <> struct has_trivial_copy<void const> : public false_type{};
+template <> struct has_trivial_copy<void volatile> : public false_type{};
+template <> struct has_trivial_copy<void const volatile> : public false_type{};
+#endif
+
+template <class T> struct has_trivial_copy<T&> : public false_type{};
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) 
+template <class T> struct has_trivial_copy<T&&> : public false_type{};
+#endif
+
+template <class T> struct has_trivial_copy_constructor : public has_trivial_copy<T>{};
+
+#undef BOOST_TT_TRIVIAL_CONSTRUCT_FIX
+
+} // namespace boost
+
+#endif // BOOST_TT_HAS_TRIVIAL_COPY_HPP_INCLUDED