Lines Matching defs:b1
91 double m1, b1, m2, b2;
95 * edge to a line equation of the form y = m1*x + b1. Then
101 b1 = end1Ptr[1] - m1*end1Ptr[0];
104 x = (b2 - b1)/(m1 - m2);
105 y = m1*x + b1;
520 double m1, b1, m2, b2;
525 * edge to a line equation of the form y = m1*x + b1. Then
531 b1 = pPtr[1] - m1*pPtr[0];
534 x = (b2 - b1)/(m1 - m2);
535 y = m1*x + b1;
553 lower = (m1*pointPtr[0] + b1) > pointPtr[1];