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Diffstat (limited to 'boost/geometry/util/select_calculation_type.hpp')
-rw-r--r-- | boost/geometry/util/select_calculation_type.hpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/boost/geometry/util/select_calculation_type.hpp b/boost/geometry/util/select_calculation_type.hpp index 4946c45e84..0e3faf229b 100644 --- a/boost/geometry/util/select_calculation_type.hpp +++ b/boost/geometry/util/select_calculation_type.hpp @@ -4,6 +4,11 @@ // 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. @@ -50,6 +55,28 @@ struct select_calculation_type >::type type; }; +// alternative version supporting more than 2 Geometries + +template <typename CalculationType, + typename Geometry1, + typename Geometry2 = void, + typename Geometry3 = void> +struct select_calculation_type_alt +{ + typedef typename + boost::mpl::if_ + < + boost::is_void<CalculationType>, + typename select_coordinate_type + < + Geometry1, + Geometry2, + Geometry3 + >::type, + CalculationType + >::type type; +}; + }} // namespace boost::geometry |