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+
+// (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_IS_POD_HPP_INCLUDED
+#define BOOST_TT_IS_POD_HPP_INCLUDED
+
+#include <cutl/details/boost/type_traits/config.hpp>
+#include <cutl/details/boost/type_traits/is_void.hpp>
+#include <cutl/details/boost/type_traits/is_scalar.hpp>
+#include <cutl/details/boost/type_traits/detail/ice_or.hpp>
+#include <cutl/details/boost/type_traits/intrinsics.hpp>
+
+#include <cstddef>
+
+// should be the last #include
+#include <cutl/details/boost/type_traits/detail/bool_trait_def.hpp>
+
+namespace cutl_details_boost {
+
+// forward declaration, needed by 'is_pod_array_helper' template below
+template< typename T > struct is_POD;
+
+namespace detail {
+
+#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+template <typename T> struct is_pod_impl
+{
+ BOOST_STATIC_CONSTANT(
+ bool, value =
+ (::cutl_details_boost::type_traits::ice_or<
+ ::cutl_details_boost::is_scalar<T>::value,
+ ::cutl_details_boost::is_void<T>::value,
+ BOOST_IS_POD(T)
+ >::value));
+};
+
+#if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
+template <typename T, std::size_t sz>
+struct is_pod_impl<T[sz]>
+ : is_pod_impl<T>
+{
+};
+#endif
+
+#else
+
+template <bool is_array = false>
+struct is_pod_helper
+{
+ template <typename T> struct result_
+ {
+ BOOST_STATIC_CONSTANT(
+ bool, value =
+ (::cutl_details_boost::type_traits::ice_or<
+ ::cutl_details_boost::is_scalar<T>::value,
+ ::cutl_details_boost::is_void<T>::value,
+ BOOST_IS_POD(T)
+ >::value));
+ };
+};
+
+template <bool b>
+struct bool_to_yes_no_type
+{
+ typedef ::cutl_details_boost::type_traits::no_type type;
+};
+
+template <>
+struct bool_to_yes_no_type<true>
+{
+ typedef ::cutl_details_boost::type_traits::yes_type type;
+};
+
+template <typename ArrayType>
+struct is_pod_array_helper
+{
+ enum { is_pod = ::cutl_details_boost::is_POD<ArrayType>::value }; // MSVC workaround
+ typedef typename bool_to_yes_no_type<is_pod>::type type;
+ type instance() const;
+};
+
+template <typename T>
+is_pod_array_helper<T> is_POD_array(T*);
+
+template <>
+struct is_pod_helper<true>
+{
+ template <typename T> struct result_
+ {
+ static T& help();
+ BOOST_STATIC_CONSTANT(bool, value =
+ sizeof(is_POD_array(help()).instance()) == sizeof(::cutl_details_boost::type_traits::yes_type)
+ );
+ };
+};
+
+
+template <typename T> struct is_pod_impl
+{
+ BOOST_STATIC_CONSTANT(
+ bool, value = (
+ ::cutl_details_boost::detail::is_pod_helper<
+ ::cutl_details_boost::is_array<T>::value
+ >::template result_<T>::value
+ )
+ );
+};
+
+#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+// the following help compilers without partial specialization support:
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void,true)
+
+#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void const,true)
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void volatile,true)
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_pod,void const volatile,true)
+#endif
+
+} // namespace detail
+
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_POD,T,::cutl_details_boost::detail::is_pod_impl<T>::value)
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_pod,T,::cutl_details_boost::detail::is_pod_impl<T>::value)
+
+} // namespace cutl_details_boost
+
+#include <cutl/details/boost/type_traits/detail/bool_trait_undef.hpp>
+
+#endif // BOOST_TT_IS_POD_HPP_INCLUDED