1 files changed, 128 insertions, 0 deletions
diff --git a/boost/spirit/home/x3/support/traits/numeric_traits.hpp b/boost/spirit/home/x3/support/traits/numeric_traits.hpp
new file mode 100644
index 0000000000..3cdbdaec63
--- /dev/null
+++ b/boost/spirit/home/x3/support/traits/numeric_traits.hpp
@@ -0,0 +1,128 @@
+/*=============================================================================
+	Copyright (c) 2001-2011 Hartmut Kaiser
+
+	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)
+==============================================================================*/
+#if !defined(BOOST_SPIRIT_X3_NUMERIC_TRAITS_JAN_07_2011_0722AM)
+#define BOOST_SPIRIT_X3_NUMERIC_TRAITS_JAN_07_2011_0722AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+#include <boost/integer_traits.hpp>
+#include <boost/mpl/bool.hpp>
+#include <boost/utility/enable_if.hpp>
+
+namespace boost { namespace spirit { namespace x3 { namespace traits
+{
+    ///////////////////////////////////////////////////////////////////////////
+    // Determine if T is a boolean type
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename T>
+    struct is_bool : mpl::false_ {};
+
+    template <typename T>
+    struct is_bool<T const> : is_bool<T> {};
+
+    template <>
+    struct is_bool<bool> : mpl::true_ {};
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Determine if T is a signed integer type
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename T>
+    struct is_int : mpl::false_ {};
+
+    template <typename T>
+    struct is_int<T const> : is_int<T> {};
+
+    template <>
+    struct is_int<short> : mpl::true_ {};
+
+    template <>
+    struct is_int<int> : mpl::true_ {};
+
+    template <>
+    struct is_int<long> : mpl::true_ {};
+
+#ifdef BOOST_HAS_LONG_LONG
+    template <>
+    struct is_int<boost::long_long_type> : mpl::true_ {};
+#endif
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Determine if T is an unsigned integer type
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename T>
+    struct is_uint : mpl::false_ {};
+
+    template <typename T>
+    struct is_uint<T const> : is_uint<T> {};
+
+#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
+    template <>
+    struct is_uint<unsigned short> : mpl::true_ {};
+#endif
+
+    template <>
+    struct is_uint<unsigned int> : mpl::true_ {};
+
+    template <>
+    struct is_uint<unsigned long> : mpl::true_ {};
+
+#ifdef BOOST_HAS_LONG_LONG
+    template <>
+    struct is_uint<boost::ulong_long_type> : mpl::true_ {};
+#endif
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Determine if T is a floating point type
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename T>
+    struct is_real : mpl::false_ {};
+
+    template <typename T>
+    struct is_real<T const> : is_uint<T> {};
+
+    template <>
+    struct is_real<float> : mpl::true_ {};
+
+    template <>
+    struct is_real<double> : mpl::true_ {};
+
+    template <>
+    struct is_real<long double> : mpl::true_ {};
+
+    ///////////////////////////////////////////////////////////////////////////
+    // customization points for numeric operations
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename T, typename Enable = void>
+    struct absolute_value;
+
+    template <typename T, typename Enable = void>
+    struct is_negative;
+
+    template <typename T, typename Enable = void>
+    struct is_zero;
+
+    template <typename T, typename Enable = void>
+    struct pow10_helper;
+
+    template <typename T, typename Enable = void>
+    struct is_nan;
+
+    template <typename T, typename Enable = void>
+    struct is_infinite;
+    
+    template <typename T, typename Enable = void>
+    struct check_overflow : mpl::false_ {};
+        
+    template <typename T>
+    struct check_overflow<T, typename enable_if_c<integer_traits<T>::is_integral>::type>
+        : mpl::true_ {};
+}}}}
+
+#endif