From b51965dddbed68f23c5e8c169c23c794313ce5f6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 28 Jun 2011 17:17:23 +0200
Subject: Add boost subset as an implementation detail

---
 cutl/details/boost/type_traits/is_scalar.hpp | 55 ++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 cutl/details/boost/type_traits/is_scalar.hpp

(limited to 'cutl/details/boost/type_traits/is_scalar.hpp')

diff --git a/cutl/details/boost/type_traits/is_scalar.hpp b/cutl/details/boost/type_traits/is_scalar.hpp
new file mode 100644
index 0000000..12f9a85
--- /dev/null
+++ b/cutl/details/boost/type_traits/is_scalar.hpp
@@ -0,0 +1,55 @@
+
+//  (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_SCALAR_HPP_INCLUDED
+#define BOOST_TT_IS_SCALAR_HPP_INCLUDED
+
+#include <cutl/details/boost/type_traits/is_arithmetic.hpp>
+#include <cutl/details/boost/type_traits/is_enum.hpp>
+#include <cutl/details/boost/type_traits/is_pointer.hpp>
+#include <cutl/details/boost/type_traits/is_member_pointer.hpp>
+#include <cutl/details/boost/type_traits/detail/ice_or.hpp>
+#include <cutl/details/boost/config.hpp>
+
+// should be the last #include
+#include <cutl/details/boost/type_traits/detail/bool_trait_def.hpp>
+
+namespace cutl_details_boost {
+
+namespace detail {
+
+template <typename T>
+struct is_scalar_impl
+{ 
+   BOOST_STATIC_CONSTANT(bool, value =
+      (::cutl_details_boost::type_traits::ice_or<
+         ::cutl_details_boost::is_arithmetic<T>::value,
+         ::cutl_details_boost::is_enum<T>::value,
+         ::cutl_details_boost::is_pointer<T>::value,
+         ::cutl_details_boost::is_member_pointer<T>::value
+      >::value));
+};
+
+// these specializations are only really needed for compilers 
+// without partial specialization support:
+template <> struct is_scalar_impl<void>{ BOOST_STATIC_CONSTANT(bool, value = false ); };
+#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
+template <> struct is_scalar_impl<void const>{ BOOST_STATIC_CONSTANT(bool, value = false ); };
+template <> struct is_scalar_impl<void volatile>{ BOOST_STATIC_CONSTANT(bool, value = false ); };
+template <> struct is_scalar_impl<void const volatile>{ BOOST_STATIC_CONSTANT(bool, value = false ); };
+#endif
+
+} // namespace detail
+
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_scalar,T,::cutl_details_boost::detail::is_scalar_impl<T>::value)
+
+} // namespace cutl_details_boost
+
+#include <cutl/details/boost/type_traits/detail/bool_trait_undef.hpp>
+
+#endif // BOOST_TT_IS_SCALAR_HPP_INCLUDED
-- 
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