diff --git a/include/boost/mpl/math/is_even.hpp b/include/boost/mpl/math/is_even.hpp new file mode 100644 index 0000000..5b1a3d8 --- /dev/null +++ b/include/boost/mpl/math/is_even.hpp @@ -0,0 +1,44 @@ +//----------------------------------------------------------------------------- +// boost/mpl/is_even.hpp header file +// See http://www.boost.org for updates, documentation, and revision history. +//----------------------------------------------------------------------------- +// +// Copyright (c) 2000-01 +// Aleksey Gurtovoy +// +// Permission to use, copy, modify, distribute and sell this software +// and its documentation for any purpose is hereby granted without fee, +// provided that the above copyright notice appears in all copies and +// that both the copyright notice and this permission notice appear in +// supporting documentation. No representations are made about the +// suitability of this software for any purpose. It is provided "as is" +// without express or implied warranty. + +#ifndef BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED +#define BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED + +#include "boost/mpl/bool_c.hpp" +#include "boost/mpl/aux_/void_spec.hpp" +#include "boost/mpl/aux_/lambda_support.hpp" +#include "boost/mpl/aux_/config/eti.hpp" + +namespace boost { namespace mpl { + +namespace math { + +template< + typename BOOST_MPL_AUX_VOID_SPEC_PARAM(N) + > +struct is_even + : bool_c<((N::value % 2) == 0)> +{ + BOOST_MPL_AUX_LAMBDA_SUPPORT(1,is_even,(N)) +}; + +} // namespace math + +BOOST_MPL_AUX_VOID_SPEC(1, math::is_even) + +}} // namespace boost::mpl + +#endif // BOOST_MPL_MATH_IS_EVEN_HPP_INCLUDED