4 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
5 long double fmaxl(long double x, long double y)
10 long double fmaxl(long double x, long double y)
16 /* handle signed zeros, see C99 Annex F.9.9.2 */
17 if (signbit(x) != signbit(y))
18 return signbit(x) ? y : x;