// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2013 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2013 Bruno Lalande, Paris, France.
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// Copyright (c) 2013 Mateusz Loskot, London, UK.
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// Copyright (c) 2013 Adam Wulkiewicz, Lodz, Poland.
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// This file was modified by Oracle on 2020.
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// Modifications copyright (c) 2020 Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_POLICIES_ROBUSTNESS_SEGMENT_RATIO_TYPE_HPP
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#define BOOST_GEOMETRY_POLICIES_ROBUSTNESS_SEGMENT_RATIO_TYPE_HPP
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#include <type_traits>
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#include <boost/config.hpp>
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#include <boost/geometry/core/coordinate_type.hpp>
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#include <boost/geometry/policies/robustness/rescale_policy_tags.hpp>
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namespace boost { namespace geometry { namespace detail
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{
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// Temporary meta-function to access segment-ratio for a policy
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template <typename Point, typename Policy>
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struct segment_ratio_type
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{
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// Type in segment ratio is either the coordinate type, or for
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// deprecated robust point types it is a long_long type
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typedef std::conditional_t
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<
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std::is_same
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<
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typename rescale_policy_type<Policy>::type,
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no_rescale_policy_tag
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>::value,
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typename geometry::coordinate_type<Point>::type,
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boost::long_long_type
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> coordinate_type;
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// Define segment ratio based on the coordinate type
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typedef geometry::segment_ratio<coordinate_type> type;
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};
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}}} // namespace boost::geometry::deatil
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#endif // BOOST_GEOMETRY_POLICIES_ROBUSTNESS_SEGMENT_RATIO_TYPE_HPP
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