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42 lines
992 B
42 lines
992 B
// Copyright (c) 2009 John Maddock |
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// Use, modification and distribution are subject to the |
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// Boost Software License, Version 1.0. (See accompanying file |
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_MATH_ICONV_HPP |
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#define BOOST_MATH_ICONV_HPP |
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#ifdef _MSC_VER |
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#pragma once |
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#endif |
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#include <boost/math/special_functions/round.hpp> |
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#include <boost/type_traits/is_convertible.hpp> |
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namespace boost { namespace math { namespace detail{ |
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template <class T, class Policy> |
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inline int iconv_imp(T v, Policy const&, mpl::true_ const&) |
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{ |
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return static_cast<int>(v); |
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} |
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template <class T, class Policy> |
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inline int iconv_imp(T v, Policy const& pol, mpl::false_ const&) |
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{ |
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BOOST_MATH_STD_USING |
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return iround(v); |
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} |
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template <class T, class Policy> |
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inline int iconv(T v, Policy const& pol) |
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{ |
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typedef typename boost::is_convertible<T, int>::type tag_type; |
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return iconv_imp(v, pol, tag_type()); |
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} |
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}}} // namespaces |
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#endif // BOOST_MATH_ICONV_HPP |
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