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// 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 2014.
// Modifications copyright (c) 2014 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_SELECT_COORDINATE_TYPE_HPP
#define BOOST_GEOMETRY_UTIL_SELECT_COORDINATE_TYPE_HPP
#include <boost/geometry/core/coordinate_type.hpp>
#include <boost/geometry/util/select_most_precise.hpp>
namespace boost { namespace geometry
{
/*!
\brief Meta-function selecting the most precise coordinate type
of two geometries
\ingroup utility
*/
template <typename T1, typename T2 = void, typename T3 = void>
struct select_coordinate_type
{
typedef typename select_most_precise
<
typename coordinate_type<T1>::type,
typename coordinate_type<T2>::type,
typename coordinate_type<T3>::type
>::type type;
};
template <typename T1, typename T2>
struct select_coordinate_type<T1, T2, void>
{
typedef typename select_most_precise
<
typename coordinate_type<T1>::type,
typename coordinate_type<T2>::type
>::type type;
};
template <typename T1>
struct select_coordinate_type<T1, void, void>
{
typedef typename select_most_precise
<
typename coordinate_type<T1>::type
>::type type;
};
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_UTIL_SELECT_COORDINATE_TYPE_HPP
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