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43 lines
997 B
C++
43 lines
997 B
C++
// 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, pol);
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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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