This adds requirements to TriangulationTraits2 concept : Less_x_2 and Less_y_2 predicates. Also fixes a few bugs in RT2 (hidden points were sometimes forgotten in degenerate dimensions.)
This adds requirements to TriangulationTraits2 concept : Less_x_2 and Less_y_2 predicates. Also fixes a few bugs in RT2 (hidden points were sometimes forgotten in degenerate dimensions.)