log              2781 ext/socket/socket.c     backlog = NUM2INT(log);
log               325 math.c         # define log(x) ((x) < 0.0 ? nan("") : log(x))
log               349 math.c             d = log(d0);
log               352 math.c         	d /= log(RFLOAT_VALUE(base));
log                46 missing/acosh.c     return log(x);
log                63 missing/acosh.c 	z = log(z + z);
log                66 missing/acosh.c 	z = log(z + sqrt(z * z + 1));
log                81 missing/acosh.c     z = log(z > 1 ? -1 : (1 + z) / (1 - z)) / 2;
log                35 missing/erf.c      result = term = exp(a * log(x) - x - loggamma_a) / a;
log                54 missing/erf.c      w = exp(a * log(x) - x - loggamma_a);
log                46 missing/lgamma_r.c                 + 0.5 * LOG_2PI - log(v) - x + (x - 0.5) * log(x);
log                64 missing/lgamma_r.c         return LOG_PI - log(s) - loggamma(1 - x);
log                69 missing/tgamma.c                 + 0.5 * LOG_2PI - log(v) - x + (x - 0.5) * log(x);
log              1512 rational.c         ml = (long)(log(DBL_MAX) / log(2.0) - 1);