Lines Matching refs:xi_1
763 double xi, yi, xi_1, yi_1, x0, y0, dxy, sk, sk1, t; in icvContourSecArea() local
780 a00 = x0 = y0 = xi_1 = yi_1 = 0; in icvContourSecArea()
807 xi_1 = (double) pt.x; in icvContourSecArea()
809 x0 = xi_1; in icvContourSecArea()
825 dxy = xi_1 * yi - xi * yi_1; in icvContourSecArea()
845 du = xi - xi_1; in icvContourSecArea()
849 t = ((yi_1 - pt_s.y) * du + dv * (pt_s.x - xi_1)) / in icvContourSecArea()
852 t = (xi_1 - pt_s.x) / dx; in icvContourSecArea()
857 dxy = xi_1 * y_s - x_s * yi_1; in icvContourSecArea()
876 dxy = xi_1 * yi - xi * yi_1; in icvContourSecArea()
879 xi_1 = xi; in icvContourSecArea()
888 dxy = xi_1 * yi - xi * yi_1; in icvContourSecArea()