Lines Matching defs:sign
29 * with user provide pointer for the sign of Gamma(x).
72 * since G(-x) is positive, sign(G(x)) = sign(sin(pi*x)) for x<0
73 * Hence, for x<0, signgam = sign(sin(pi*x)) and
200 /* sin(pi*x) assuming x > 2^-1000, if sin(pi*x)==0 the sign is arbitrary */
227 int sign = u.i.se >> 15;
236 if (sign) {
242 if (sign) {
254 /* purge off 1 and 2 (so the sign is ok with downward rounding) */
336 if (sign)