lib/libc/i386/gen/signbitl.c
int
__signbitl(long double x)
{
	union ieee_ext_u u;

	u.extu_ld = x;

	return (u.extu_ext.ext_sign == 1);
}
/*
 * 7.12.3.6 signbit - determine whether the sign of an argument is negative
 *          IEEE 754 compatible 80-bit extended-precision Intel 386 version
 */
7.12.3.6 signbit - determine whether the sign of an argument is negative
IEEE 754 compatible 80-bit extended-precision Intel 386 version
7 . 12 . 3 . 6 signbit - determine whether the sign of an argument is negative IEEE 754 compatible 80 - bit extended - precision Intel 386 version
int
__signbitl(long double x)
{
	union ieee_ext_u u;
	u.extu_ld = x;
	return (u.extu_ext.ext_sign == 1);
}
int __signbitl ( long double x ) { union ieee_ext_u u ; u . extu_ld = x ; return ( u . extu_ext . ext_sign == 1 ) ; }
7.12.3.6 signbit - determine whether the sign of an argument is negative
          IEEE 754 compatible 80-bit extended-precision Intel 386 version
7 . 12 . 3 . 6 signbit - determine whether the sign of an argument is negative IEEE 754 compatible 80 - bit extended - precision Intel 386 version