Lines Matching refs:xi_1
107 double xi, yi, xi2, yi2, xi_1, yi_1, xi_12, yi_12, dxy, xii_1, yii_1; in contourMoments() local
111 xi_1 = ptsi[lpt-1].x; in contourMoments()
116 xi_1 = ptsf[lpt-1].x; in contourMoments()
120 xi_12 = xi_1 * xi_1; in contourMoments()
138 dxy = xi_1 * yi - xi * yi_1; in contourMoments()
139 xii_1 = xi_1 + xi; in contourMoments()
145 a20 += dxy * (xi_1 * xii_1 + xi2); in contourMoments()
146 a11 += dxy * (xi_1 * (yii_1 + yi_1) + xi * (yii_1 + yi)); in contourMoments()
150 a21 += dxy * (xi_12 * (3 * yi_1 + yi) + 2 * xi * xi_1 * yii_1 + in contourMoments()
152 a12 += dxy * (yi_12 * (3 * xi_1 + xi) + 2 * yi * yi_1 * xii_1 + in contourMoments()
153 yi2 * (xi_1 + 3 * xi)); in contourMoments()
154 xi_1 = xi; in contourMoments()