loggamma           64 missing/lgamma_r.c         return LOG_PI - log(s) - loggamma(1 - x);
loggamma           67 missing/lgamma_r.c     return loggamma(x);
loggamma           88 missing/tgamma.c         return sign * PI / (sin(PI * f) * exp(loggamma(1 - x)));
loggamma           90 missing/tgamma.c     return exp(loggamma(x));