#include "libm.h" #if (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384 int __signbitl(long double x) { union ldshape u = {x}; return u.i.se >> 15; } #elif LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 int __signbitl(long double x) { return __signbit(x); } #endif