Lines Matching defs:d1
565 directedLine* d1=diagonal_vertices[kk];
567 /*check d1, and replace diagonal_vertices[kk] if necessary*/
568 if(d1 == v1) {
581 if(d1 == v2) {
596 /*check if d1 is to left of v1->prev->head:v1->head:v1->tail*/
598 v1->head(), v1->tail(), d1->head()))
602 v2->getPrev()->tail(), d1->head()));
608 /*check if d1 is to left of v2->prev->head:v2->head:v2->tail*/
610 v2->head(), v2->tail(), d1->head()))
614 v1->getPrev()->tail(), d1->head()));