Added thirdparty: boost library

thirdparty/include/boost/geometry/geometries/infinite_line.hpp

@@ -0,0 +1,52 @@
+// Boost.Geometry
+
+// Copyright (c) 2018-2019 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_GEOMETRIES_INFINITE_LINE_HPP
+#define BOOST_GEOMETRY_GEOMETRIES_INFINITE_LINE_HPP
+
+
+namespace boost { namespace geometry
+{
+
+namespace model
+{
+
+//--------------------------------------------------------------------------
+// Structure containing an infinite line.
+// It is written using "General Form", a*x + b*y + c == 0
+// Might be conceptized later. Therefore operations are implemented outside
+// the structure itself.
+template <typename Type = double>
+struct infinite_line
+{
+    using type = Type;
+
+    infinite_line()
+        : a(0)
+        , b(0)
+        , c(0)
+        , normalized(false)
+    {}
+
+    // Horizontal: a == 0, for example y-3=0, y==3
+    // Vertical: b == 0, for example x-2=0, x==2
+    // Through origin: c == 0
+    Type a;
+    Type b;
+    Type c;
+    bool normalized;
+};
+
+
+} // namespace model
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_GEOMETRIES_INFINITE_LINE_HPP