Lines Matching defs:xy
48 double x = 0, y = 0, x2 = 0, y2 = 0, xy = 0, w = 0;
64 xy += points[i].x * points[i].y;
76 xy += weights[i] * points[i].x * points[i].y;
85 xy /= w;
89 dxy = xy - x * y;
107 float x2 = 0, y2 = 0, z2 = 0, xy = 0, yz = 0, xz = 0;
127 xy += x * y * w;
147 xy += x * y;
160 xy /= w0;
171 dxy = xy - x0 * y0;
