// Boost.Geometry // Copyright (c) 2019 Barend Gehrels, 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_ALGORITHMS_DETAIL_MAKE_MAKE_HPP #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_MAKE_MAKE_HPP #include #include namespace boost { namespace geometry { #ifndef DOXYGEN_NO_DETAIL namespace detail { namespace make { template inline model::infinite_line make_infinite_line(Coordinate const& x1, Coordinate const& y1, Coordinate const& x2, Coordinate const& y2) { model::infinite_line result; result.a = y1 - y2; result.b = x2 - x1; result.c = -result.a * x1 - result.b * y1; return result; } template inline model::infinite_line make_infinite_line(Point const& a, Point const& b) { return make_infinite_line(geometry::get<0>(a), geometry::get<1>(a), geometry::get<0>(b), geometry::get<1>(b)); } template inline model::infinite_line make_infinite_line(Segment const& segment) { return make_infinite_line(geometry::get<0, 0>(segment), geometry::get<0, 1>(segment), geometry::get<1, 0>(segment), geometry::get<1, 1>(segment)); } }} // namespace detail::make #endif // DOXYGEN_NO_DETAIL }} // namespace boost::geometry #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_MAKE_MAKE_HPP