src/math/__signbitl.c


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#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;
}
#endif