Cross Reference: /xsrc/external/mit/glu/dist/src/libnurbs/nurbtess/polyDBG.cc

Lines Matching refs:tail
63   if(area(poly->head(), poly->tail(), poly->getNext()->tail()) < 0.00000)
67       if(area(temp->head(), temp->tail(), temp->getNext()->tail()) < 0.00000)
79   cur_sign = compV2InX(poly->tail(), poly->head());
81   n_changes = (compV2InX(poly->getPrev()->tail(), poly->getPrev()->head())
87       cur_sign = compV2InX(temp->tail(), temp->head());
107   if( fabs(poly->head()[0] - poly->tail()[0]) <= fabs(poly->head()[1]-poly->tail()[1]))
112   else if(poly->head()[1] == poly->tail()[1])
117       if( fabs(temp->head()[0] - temp->tail()[0]) <= fabs(temp->head()[1]-temp->tail()[1]))
122       if(temp->head()[0] == temp->tail()[0])
124       else if(temp->head()[1] == temp->tail()[1])
142       if(area(l1->head(), l1->tail(), l2->tail()) == 0) //colinear
144 	  if( (l1->tail()[0] - l1->head()[0])*(l2->tail()[0]-l2->head()[0]) +
145 	     (l1->tail()[1] - l1->head()[1])*(l2->tail()[1]-l2->head()[1]) >=0)
154       if(area(l2->head(), l2->tail(), l1->tail()) == 0) //colinear
156 	  if( (l2->tail()[0] - l2->head()[0])*(l1->tail()[0]-l1->head()[0]) +
157 	     (l2->tail()[1] - l2->head()[1])*(l1->tail()[1]-l1->head()[1]) >=0)
168 	 (l1->tail()[0] == l2->tail()[0] &&
169 	 l1->tail()[1] == l2->tail()[1]))
177       area(l1->head(), l1->tail(), l2->head())
179       area(l1->head(), l1->tail(), l2->tail())
184       area(l2->head(), l2->tail(), l1->head())
185       *area(l2->head(), l2->tail(), l1->tail())
382   if(DBG_rayIntersectEdge(v0, dx, dy, poly->getPrev()->head(), poly->head(), poly->tail()))
386     if(DBG_rayIntersectEdge(v0, dx, dy, temp->getPrev()->head(), temp->head(), temp->tail()))
465   if(polygon->head()[0] != polygon->getPrev()->tail()[0] ||
466      polygon->head()[1] != polygon->getPrev()->tail()[1])
470       if(temp->head()[0] != temp->getPrev()->tail()[0] ||
471 	 temp->head()[1] != temp->getPrev()->tail()[1])
567 	       buf[0] = interc->tail()[0];
568 	       buf[1] = interc->tail()[1];
573 		   Real u = (1-r) * interc->head()[0] + r * interc->tail()[0];
574 		   Real v = (1-r) * interc->head()[1] + r * interc->tail()[1];
575 		   interc->tail()[0] = interc->getNext()->head()[0] = u;
576 		   interc->tail()[1] = interc->getNext()->head()[1] = v;
585 		   interc->tail()[0] = interc->getNext()->head()[0] = buf[0];
586 		   interc->tail()[1] = interc->getNext()->head()[1] = buf[1];
641 	(crt->head()[0] == crt->getNext()->tail()[0] &&
642 	crt->head()[1] == crt->getNext()->tail()[1])