cosmopolitan/libc/math/__signbitl.c

15 lines
297 B
C
Raw Normal View History

2020-06-15 14:18:57 +00:00
#include "libc/math/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