Cross Reference: /inkscape/src/2geom/line.cpp

Lines Matching defs:r1

331 OptCrossing intersection_impl(Ray const& r1, Line const& l2, unsigned int i)
336         intersection_impl(r1.vector(), r1.origin(),
349     if (are_near(r1.origin(), l2)) {
457 OptCrossing intersection(Ray const& r1, Ray const& r2)
460     detail::intersection_impl( r1.vector(), r1.origin(),
477     if ( are_near(r1.origin(), r2) || are_near(r2.origin(), r1) )
479         if ( are_near(r1.origin(), r2.origin())
480              && !are_near(r1.vector(), r2.vector()) )