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[FreeBSD/releng/10.0.git] / lib / libc / softfloat / negtf2.c
1 /* $NetBSD: negtf2.c,v 1.1 2011/01/17 10:08:35 matt Exp $ */
2
3 /*
4  * Written by Matt Thomas, 2011.  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 __FBSDID("$FreeBSD$");
13
14 #ifdef FLOAT128
15
16 float128 __negtf2(float128);
17
18 float128
19 __negtf2(float128 a)
20 {
21
22         /* libgcc1.c says -a */
23         a.high ^= FLOAT64_MANGLE(0x8000000000000000ULL);
24         return a;
25 }
26
27 #endif /* FLOAT128 */