1 /* $NetBSD: unorddf2.c,v 1.1 2003/05/06 08:58:19 rearnsha Exp $ */
4 * Written by Richard Earnshaw, 2003. This file is in the Public Domain.
7 #include "softfloat-for-gcc.h"
11 #include <sys/cdefs.h>
12 __FBSDID("$FreeBSD$");
14 flag __unorddf2(float64, float64);
17 __unorddf2(float64 a, float64 b)
20 * The comparison is unordered if either input is a NaN.
21 * Test for this by comparing each operand with itself.
22 * We must perform both comparisons to correctly check for
25 return 1 ^ (float64_eq(a, a) & float64_eq(b, b));