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/*============================================================================= Copyright (c) 2001-2011 Joel de Guzman Copyright (c) 2001-2011 Hartmut Kaiser http://spirit.sourceforge.net/ 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) =============================================================================*/ #ifndef BOOST_SPIRIT_SUPPORT_DETAIL_SIGN_HPP #define BOOST_SPIRIT_SUPPORT_DETAIL_SIGN_HPP #if defined(_MSC_VER) #pragma once #endif #include <boost/math/special_functions/sign.hpp> namespace boost { namespace spirit { namespace detail { template<typename T> inline bool (signbit)(T x) { return (boost::math::signbit)(x) ? true : false; } template<typename T> inline T (changesign)(T x) { return (boost::math::changesign)(x); } }}} #endif