Chris@102: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@102: 
Chris@102: // Copyright (c) 2013 Barend Gehrels, Amsterdam, the Netherlands.
Chris@102: // Copyright (c) 2013 Bruno Lalande, Paris, France.
Chris@102: // Copyright (c) 2013 Mateusz Loskot, London, UK.
Chris@102: // Copyright (c) 2013 Adam Wulkiewicz, Lodz, Poland.
Chris@102: 
Chris@102: // Use, modification and distribution is subject to the Boost Software License,
Chris@102: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@102: // http://www.boost.org/LICENSE_1_0.txt)
Chris@102: 
Chris@102: #ifndef BOOST_GEOMETRY_POLICIES_ROBUSTNESS_NO_RESCALE_POLICY_HPP
Chris@102: #define BOOST_GEOMETRY_POLICIES_ROBUSTNESS_NO_RESCALE_POLICY_HPP
Chris@102: 
Chris@102: #include <stddef.h>
Chris@102: 
Chris@102: #include <boost/geometry/core/coordinate_type.hpp>
Chris@102: #include <boost/geometry/policies/robustness/robust_point_type.hpp>
Chris@102: #include <boost/geometry/policies/robustness/segment_ratio.hpp>
Chris@102: #include <boost/geometry/policies/robustness/segment_ratio_type.hpp>
Chris@102: 
Chris@102: namespace boost { namespace geometry
Chris@102: {
Chris@102: 
Chris@102: #ifndef DOXYGEN_NO_DETAIL
Chris@102: namespace detail
Chris@102: {
Chris@102: 
Chris@102: // Probably this will be moved out of namespace detail
Chris@102: struct no_rescale_policy
Chris@102: {
Chris@102:     static bool const enabled = false;
Chris@102: 
Chris@102:     // We don't rescale but return the reference of the input
Chris@102:     template <std::size_t Dimension, typename Value>
Chris@102:     inline Value const& apply(Value const& value) const
Chris@102:     {
Chris@102:         return value;
Chris@102:     }
Chris@102: };
Chris@102: 
Chris@102: } // namespace detail
Chris@102: #endif
Chris@102: 
Chris@102: 
Chris@102: // Implement meta-functions for this policy
Chris@102: template <typename Point>
Chris@102: struct robust_point_type<Point, detail::no_rescale_policy>
Chris@102: {
Chris@102:     // The point itself
Chris@102:     typedef Point type;
Chris@102: };
Chris@102: 
Chris@102: template <typename Point>
Chris@102: struct segment_ratio_type<Point, detail::no_rescale_policy>
Chris@102: {
Chris@102:     // Define a segment_ratio defined on coordinate type, e.g.
Chris@102:     // int/int or float/float
Chris@102:     typedef typename geometry::coordinate_type<Point>::type coordinate_type;
Chris@102:     typedef segment_ratio<coordinate_type> type;
Chris@102: };
Chris@102: 
Chris@102: 
Chris@102: }} // namespace boost::geometry
Chris@102: 
Chris@102: #endif // BOOST_GEOMETRY_POLICIES_ROBUSTNESS_NO_RESCALE_POLICY_HPP