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-rw-r--r--[-rwxr-xr-x]boost/type_traits/is_floating_point.hpp21
1 files changed, 12 insertions, 9 deletions
diff --git a/boost/type_traits/is_floating_point.hpp b/boost/type_traits/is_floating_point.hpp
index 2224453054..196c900cf9 100755..100644
--- a/boost/type_traits/is_floating_point.hpp
+++ b/boost/type_traits/is_floating_point.hpp
@@ -1,4 +1,3 @@
-
// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000-2005.
// Use, modification and distribution are subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
@@ -9,19 +8,23 @@
#ifndef BOOST_TYPE_TRAITS_IS_FLOATING_HPP_INCLUDED
#define BOOST_TYPE_TRAITS_IS_FLOATING_HPP_INCLUDED
-// should be the last #include
-#include <boost/type_traits/detail/bool_trait_def.hpp>
+#include <boost/type_traits/integral_constant.hpp>
namespace boost {
//* is a type T a floating-point type described in the standard (3.9.1p8)
-BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_floating_point,T,false)
-BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(is_floating_point,float,true)
-BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(is_floating_point,double,true)
-BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(is_floating_point,long double,true)
+ template <class T> struct is_floating_point : public false_type{};
+ template <class T> struct is_floating_point<const T> : public is_floating_point<T>{};
+ template <class T> struct is_floating_point<volatile const T> : public is_floating_point<T>{};
+ template <class T> struct is_floating_point<volatile T> : public is_floating_point<T>{};
+ template<> struct is_floating_point<float> : public true_type{};
+ template<> struct is_floating_point<double> : public true_type{};
+ template<> struct is_floating_point<long double> : public true_type{};
+
+#if defined(BOOST_HAS_FLOAT128)
+ template<> struct is_floating_point<__float128> : public true_type{};
+#endif
} // namespace boost
-#include <boost/type_traits/detail/bool_trait_undef.hpp>
-
#endif // BOOST_TYPE_TRAITS_IS_FLOAT_HPP_INCLUDED