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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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