projects / ceph.git / blame
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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
| 2 | ||
| 3 | // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
| 4 | // Copyright (c) 2008-2012 Bruno Lalande, Paris, France. | |
| 5 | // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. | |
| 6 | ||
| 7 | // This file was modified by Oracle on 2014. | |
| 8 | // Modifications copyright (c) 2014 Oracle and/or its affiliates. | |
| 9 | ||
| 10 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
| 11 | ||
| 12 | // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library | |
| 13 | // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. | |
| 14 | ||
| 15 | // Use, modification and distribution is subject to the Boost Software License, | |
| 16 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
| 17 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 18 | ||
| 19 | #ifndef BOOST_GEOMETRY_UTIL_SELECT_COORDINATE_TYPE_HPP | |
| 20 | #define BOOST_GEOMETRY_UTIL_SELECT_COORDINATE_TYPE_HPP | |
| 21 | ||
| 22 | ||
| 23 | #include <boost/geometry/core/coordinate_type.hpp> | |
| 24 | #include <boost/geometry/util/select_most_precise.hpp> | |
| 25 | ||
| 26 | ||
| 27 | namespace boost { namespace geometry | |
| 28 | { | |
| 29 | ||
| 30 | ||
| 31 | /*! | |
| 32 | \brief Meta-function selecting the most precise coordinate type | |
| 33 | of two geometries | |
| 34 | \ingroup utility | |
| 35 | */ | |
| 36 | template <typename T1, typename T2 = void, typename T3 = void> | |
| 37 | struct select_coordinate_type | |
| 38 | { | |
| 39 | typedef typename select_most_precise | |
| 40 | < | |
| 41 | typename coordinate_type<T1>::type, | |
| 42 | typename coordinate_type<T2>::type, | |
| 43 | typename coordinate_type<T3>::type | |
| 44 | >::type type; | |
| 45 | }; | |
| 46 | ||
| 47 | template <typename T1, typename T2> | |
| 48 | struct select_coordinate_type<T1, T2, void> | |
| 49 | { | |
| 50 | typedef typename select_most_precise | |
| 51 | < | |
| 52 | typename coordinate_type<T1>::type, | |
| 53 | typename coordinate_type<T2>::type | |
| 54 | >::type type; | |
| 55 | }; | |
| 56 | ||
| 57 | template <typename T1> | |
| 58 | struct select_coordinate_type<T1, void, void> | |
| 59 | { | |
| 60 | typedef typename select_most_precise | |
| 61 | < | |
| 62 | typename coordinate_type<T1>::type | |
| 63 | >::type type; | |
| 64 | }; | |
| 65 | ||
| 66 | }} // namespace boost::geometry | |
| 67 | ||
| 68 | ||
| 69 | #endif // BOOST_GEOMETRY_UTIL_SELECT_COORDINATE_TYPE_HPP |