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1 | /* Software floating-point emulation. |
2 | Return -a | |
568035b7 | 3 | Copyright (C) 1997-2013 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 | |
41bdb6e2 AJ |
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 | |
638a783c RM |
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 | |
41bdb6e2 | 27 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
28 | License along with the GNU C Library; if not, see |
29 | <http://www.gnu.org/licenses/>. */ | |
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30 | |
31 | #include "soft-fp.h" | |
32 | #include "double.h" | |
33 | ||
fe0b1e85 | 34 | DFtype __negdf2(DFtype a) |
d876f532 | 35 | { |
d876f532 | 36 | FP_DECL_D(A); FP_DECL_D(R); |
fe0b1e85 | 37 | DFtype r; |
d876f532 | 38 | |
2ae21ed2 | 39 | FP_UNPACK_RAW_D(A, a); |
d876f532 | 40 | FP_NEG_D(R, A); |
2ae21ed2 | 41 | FP_PACK_RAW_D(r, R); |
d876f532 UD |
42 | |
43 | return r; | |
44 | } |