Lines Matching defs:dx1
114 icvIntersectLines( double x1, double dx1, double y1, double dy1,
117 double d = dx1 * dy2 - dx2 * dy1;
122 *t2 = ((x2 - x1) * dy1 - (y2 - y1) * dx1) / d;
295 double dx, dy, dx1, dy1, dx2, dy2, dist_num, dist_denom = 1;
309 dx1 = pt.x - v0.x; dy1 = pt.y - v0.y;
312 if( dx1*dx + dy1*dy <= 0 )
313 dist_num = dx1*dx1 + dy1*dy1;
318 dist_num = (dy1*dx - dx1*dy);
336 dist_num = dy1*dx - dx1*dy;
