negdf2.c revision 1.2 
1/*	$OpenBSD: negdf2.c,v 1.2 2012/12/05 23:20:01 deraadt 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
12float64 __negdf2(float64);
13
14float64
15__negdf2(float64 a)
16{
17
18	/* libgcc1.c says -a */
19	return a ^ FLOAT64_MANGLE(0x8000000000000000ULL);
20}
21