53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// This file was modified by Oracle on 2020.
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// Modifications copyright (c) 2020 Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_UTIL_PROMOTE_FLOATING_POINT_HPP
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#define BOOST_GEOMETRY_UTIL_PROMOTE_FLOATING_POINT_HPP
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#include <type_traits>
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namespace boost { namespace geometry
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{
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/*!
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\brief Meta-function converting, if necessary, to "a floating point" type
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\details
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- if input type is integer, type is double
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- else type is input type
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\ingroup utility
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*/
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template <typename T, typename PromoteIntegerTo = double>
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struct promote_floating_point
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{
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typedef std::conditional_t
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<
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std::is_integral<T>::value,
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PromoteIntegerTo,
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T
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> type;
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};
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_UTIL_PROMOTE_FLOATING_POINT_HPP
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