| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152 | // 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_HPPnamespace 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
 |