cbrt
double cbrt(double);
#define cbrt(x) __tg_simple(x, cbrt)
PROTO_NORMAL(cbrt);
DEF_STD(cbrt);
LDBL_MAYBE_UNUSED_CLONE(cbrt);
{"cbrt", cbrt, &NAN, &NAN, 0},
{"cbrt", cbrt, &ZERO, &ZERO, 0},
{"cbrt", cbrt, &MZERO, &MZERO, 0},
{"cbrt", cbrt, &INF, &INF, 0},
{"cbrt", cbrt, &MINF, &MINF, 0},
double cbrt (double);