Lines Matching refs:xi_1
462 double a00 = 0, xi_1, yi_1; in icvContourArea() local
469 xi_1 = ((CvPoint*)(reader.ptr))->x; in icvContourArea()
474 xi_1 = ((CvPoint2D32f*)(reader.ptr))->x; in icvContourArea()
495 dxy = xi_1 * yi - xi * yi_1; in icvContourArea()
497 xi_1 = xi; in icvContourArea()
567 double xi, yi, xi_1, yi_1, x0, y0, dxy, sk, sk1, t; in icvContourSecArea() local
588 a00 = x0 = y0 = xi_1 = yi_1 = 0; in icvContourSecArea()
618 xi_1 = (double) pt.x; in icvContourSecArea()
620 x0 = xi_1; in icvContourSecArea()
636 dxy = xi_1 * yi - xi * yi_1; in icvContourSecArea()
656 du = xi - xi_1; in icvContourSecArea()
660 t = ((yi_1 - pt_s.y) * du + dv * (pt_s.x - xi_1)) / in icvContourSecArea()
663 t = (xi_1 - pt_s.x) / dx; in icvContourSecArea()
668 dxy = xi_1 * y_s - x_s * yi_1; in icvContourSecArea()
687 dxy = xi_1 * yi - xi * yi_1; in icvContourSecArea()
690 xi_1 = xi; in icvContourSecArea()
699 dxy = xi_1 * yi - xi * yi_1; in icvContourSecArea()