Lines Matching defs:xi
93 double xi, yi, xi2, yi2, xi_1, yi_1, xi_12, yi_12, dxy, xii_1, yii_1;
119 xi = ((CvPoint*)(reader.ptr))->x;
124 xi = ((CvPoint2D32f*)(reader.ptr))->x;
129 xi2 = xi * xi;
131 dxy = xi_1 * yi - xi * yi_1;
132 xii_1 = xi_1 + xi;
139 a11 += dxy * (xi_1 * (yii_1 + yi_1) + xi * (yii_1 + yi));
144 dxy * (xi_12 * (3 * yi_1 + yi) + 2 * xi * xi_1 * yii_1 +
147 dxy * (yi_12 * (3 * xi_1 + xi) + 2 * yi * yi_1 * xii_1 +
148 yi2 * (xi_1 + 3 * xi));
150 xi_1 = xi;