1 #include "libm.h" 2 3 #if (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384 __signbitl(long double x)4int __signbitl(long double x) 5 { 6 union ldshape u = {x}; 7 return u.i.se >> 15; 8 } 9 #elif LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 __signbitl(long double x)10int __signbitl(long double x) 11 { 12 return __signbit(x); 13 } 14 #endif 15