#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: unordtf2.c,v 1.2 2014/01/30 19:11:41 matt Exp $");
#endif /* LIBC_SCCS and not lint */
#ifdef FLOAT128
flag __unordtf2(float128, float128);
flag
__unordtf2(float128 a, float128 b)
{
/*
* The comparison is unordered if either input is a NaN.
* Test for this by comparing each operand with itself.
* We must perform both comparisons to correctly check for
* signalling NaNs.
*/
return 1 ^ (float128_eq(a, a) & float128_eq(b, b));
}