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1 | /* Software floating-point emulation. |
2 | Return -a | |
0ecb606c | 3 | Copyright (C) 1997,1999,2006 Free Software Foundation, Inc. |
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4 | This file is part of the GNU C Library. |
5 | Contributed by Richard Henderson (rth@cygnus.com) and | |
6 | Jakub Jelinek (jj@ultra.linux.cz). | |
7 | ||
8 | The GNU C Library is free software; you can redistribute it and/or | |
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9 | modify it under the terms of the GNU Lesser General Public |
10 | License as published by the Free Software Foundation; either | |
11 | version 2.1 of the License, or (at your option) any later version. | |
d876f532 | 12 | |
0ecb606c JJ |
13 | In addition to the permissions in the GNU Lesser General Public |
14 | License, the Free Software Foundation gives you unlimited | |
15 | permission to link the compiled version of this file into | |
16 | combinations with other programs, and to distribute those | |
17 | combinations without any restriction coming from the use of this | |
18 | file. (The Lesser General Public License restrictions do apply in | |
19 | other respects; for example, they cover modification of the file, | |
20 | and distribution when not linked into a combine executable.) | |
21 | ||
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22 | The GNU C Library is distributed in the hope that it will be useful, |
23 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 25 | Lesser General Public License for more details. |
d876f532 | 26 | |
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27 | You should have received a copy of the GNU Lesser General Public |
28 | License along with the GNU C Library; if not, write to the Free | |
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29 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, |
30 | MA 02110-1301, USA. */ | |
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31 | |
32 | #include "soft-fp.h" | |
33 | #include "single.h" | |
34 | ||
0ecb606c | 35 | SFtype __negsf2(SFtype a) |
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36 | { |
37 | FP_DECL_EX; | |
38 | FP_DECL_S(A); FP_DECL_S(R); | |
0ecb606c | 39 | SFtype r; |
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40 | |
41 | FP_UNPACK_S(A, a); | |
42 | FP_NEG_S(R, A); | |
43 | FP_PACK_S(r, R); | |
44 | FP_CLEAR_EXCEPTIONS; | |
45 | FP_HANDLE_EXCEPTIONS; | |
46 | ||
47 | return r; | |
48 | } |