Lines Matching defs:dy
94 float dx, dy;
102 dy = (float)pt->y - (float)prev_pt->y;
110 dy = pt->y - prev_pt->y;
116 buffer.data.fl[j] = dx * dx + dy * dy;
169 double dy = pt.y - center.y;
170 return (double)radius*radius - dx*dx - dy*dy;
422 float t, dx, dy;
436 dy = center.y - ptfl.y;
437 t = dx*dx + dy*dy;
568 double x_s, y_s, nx, ny, dx, dy, du, dv;
658 dy = -nx;
661 (du * dy - dx * dv);
667 y_s = pt_s.y + t * dy;
