Lines Matching refs:plower
406 bool plower, phigher;
411 plower = (p[0][Y] < bound.min());
413 if (!(plower || phigher)) // inside the fat line
433 if (clower != plower) // cross the lower bound
438 plower = clower;
459 if (clower != plower) // cross the lower bound
641 bool plower, clower;
644 plower = (p[0][Y] < 0);
664 else if (clower != plower) // cross the x axis
669 plower = clower;
679 if (clower != plower) // cross the x axis