Lines Matching defs:ds
97 double ds = 1. / n;
98 double ds2 = ds * ds;
99 double ds3 = ds2 * ds;
100 double k0 = ks[0] * ds;
101 double k1 = ks[1] * ds;
102 double k2 = ks[2] * ds;
103 double k3 = ks[3] * ds;
105 double s = .5 * ds - .5;
118 km1 = k1 * ds;
122 km1 = ((.5 * k3 * s + k2) * s + k1) * ds;
437 s += ds;
442 xy[0] = x * (1./24 * ds);
443 xy[1] = y * (1./24 * ds);
445 xy[0] = x * ds;
446 xy[1] = y * ds;