Method PQinsert

src/LNLib/Algorithm/Voronoi.cpp:565–582

push the HalfEdge into the ordered linked list of vertices

//push the HalfEdge into the ordered linked list of vertices
void LNLib::VoronoiDiagramGenerator::PQinsert(struct Halfedge* he, struct Site* v, float offset)
{
	struct Halfedge* last, * next;

	he->vertex = v;
	ref(v);
	he->ystar = (float)(v->coord.y + offset);
	last = &PQhash[PQbucket(he)];
	while ((next = last->PQnext) != (struct Halfedge*)NULL &&
		(he->ystar > next->ystar ||
			(he->ystar == next->ystar && v->coord.x > next->vertex->coord.x)))
	{
		last = next;
	};
	he->PQnext = last->PQnext;
	last->PQnext = he;
	PQcount += 1;
}

//remove the HalfEdge from the list of vertices 
void LNLib::VoronoiDiagramGenerator::PQdelete(struct Halfedge* he)