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