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Diffstat (limited to 'boost/math/special_functions/detail/iconv.hpp')
-rw-r--r-- | boost/math/special_functions/detail/iconv.hpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/boost/math/special_functions/detail/iconv.hpp b/boost/math/special_functions/detail/iconv.hpp new file mode 100644 index 0000000000..8916eaed1d --- /dev/null +++ b/boost/math/special_functions/detail/iconv.hpp @@ -0,0 +1,42 @@ +// Copyright (c) 2009 John Maddock +// 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) + +#ifndef BOOST_MATH_ICONV_HPP +#define BOOST_MATH_ICONV_HPP + +#ifdef _MSC_VER +#pragma once +#endif + +#include <boost/math/special_functions/round.hpp> +#include <boost/type_traits/is_convertible.hpp> + +namespace boost { namespace math { namespace detail{ + +template <class T, class Policy> +inline int iconv_imp(T v, Policy const&, mpl::true_ const&) +{ + return static_cast<int>(v); +} + +template <class T, class Policy> +inline int iconv_imp(T v, Policy const& pol, mpl::false_ const&) +{ + BOOST_MATH_STD_USING + return iround(v); +} + +template <class T, class Policy> +inline int iconv(T v, Policy const& pol) +{ + typedef typename boost::is_convertible<T, int>::type tag_type; + return iconv_imp(v, pol, tag_type()); +} + + +}}} // namespaces + +#endif // BOOST_MATH_ICONV_HPP + |