Class Edge

src/LNLib/Algorithm/Voronoi.cpp:225–225

	for (i = 0; i < ELhashsize; i += 1) ELhash[i] = (struct Halfedge*)NULL;
	ELleftend = HEcreate((struct Edge*)NULL, 0);
	ELrightend = HEcreate((struct Edge*)NULL, 0);
	ELleftend->ELleft = (struct Halfedge*)NULL;
	ELleftend->ELright = ELrightend;