Searched refs:d_eta (Results 1 – 1 of 1) sorted by relevance
536 double d_eta = (max_eta - min_eta) / n; in num_beziers_needed() local537 if (d_eta <= 0.5 * M_PI) { in num_beziers_needed()543 eta_b += d_eta; in num_beziers_needed()559 double d_eta, eta_b, cos_eta_b, in arc_to_beziers() local582 d_eta = (arc->eta2 - arc->eta1) / n; in arc_to_beziers()608 t = tan(0.5 * d_eta); in arc_to_beziers()609 alpha = sin(d_eta) * (sqrt(4 + 3 * t * t) - 1) / 3; in arc_to_beziers()618 eta_b += d_eta; in arc_to_beziers()