Lines Matching +refs:sign +refs:log
114 int sign = u.i>>63; in tgamma() local
127 if (sign) in tgamma()
136 if (sign) { in tgamma()
146 absx = sign ? -x : x; in tgamma()
174 double __lgamma_r(double x, int *sign)
178 *sign = 1;
198 *sign = 1 - 2*!!signbit(x);
199 return -log(absx);
205 *sign = 1 - 2*!!signbit(x);
206 return log(fabs(x));
211 r = (absx-0.5)*(log(absx+gmhalf)-1) + (log(S(absx)) - (gmhalf+0.5));
215 *sign = 2*!!signbit(x) - 1;
216 r = log(pi/(fabs(x)*absx)) - r;