1 /* $NetBSD: __aeabi_dcmpun.c,v 1.1 2013/04/16 10:37:39 matt Exp $ */ 2 3 /* 4 * Written by Richard Earnshaw, 2003. This file is in the Public Domain. 5 */ 6 7 #include "softfloat-for-gcc.h" 8 #include "milieu.h" 9 #include "softfloat.h" 10 11 #include <sys/cdefs.h> 12 #if defined(LIBC_SCCS) && !defined(lint) 13 __RCSID("$NetBSD: __aeabi_dcmpun.c,v 1.1 2013/04/16 10:37:39 matt Exp $"); 14 #endif /* LIBC_SCCS and not lint */ 15 16 int __aeabi_dcmpun(float64, float64); 17 18 int __aeabi_dcmpun(float64 a,float64 b)19__aeabi_dcmpun(float64 a, float64 b) 20 { 21 /* 22 * The comparison is unordered if either input is a NaN. 23 * Test for this by comparing each operand with itself. 24 * We must perform both comparisons to correctly check for 25 * signalling NaNs. 26 */ 27 return !float64_eq(a, a) || !float64_eq(b, b); 28 } 29