xref: /openbsd/lib/libc/softfloat/negdf2.c (revision 00b6e344)
1 /*	$OpenBSD: negdf2.c,v 1.4 2019/11/10 22:23:29 guenther Exp $	*/
2 /* $NetBSD: negdf2.c,v 1.1 2000/06/06 08:15:07 bjh21 Exp $ */
3 
4 /*
5  * Written by Ben Harris, 2000.  This file is in the Public Domain.
6  */
7 
8 #include "softfloat-for-gcc.h"
9 #include "milieu.h"
10 #include <softfloat.h>
11 
12 float64 __negdf2(float64) __dso_protected;
13 
14 float64
__negdf2(float64 a)15 __negdf2(float64 a)
16 {
17 
18 	/* libgcc1.c says -a */
19 	return a ^ FLOAT64_MANGLE(0x8000000000000000ULL);
20 }
21