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e7b8c7bc RM |
1 | /* Software floating-point emulation. |
2 | Convert a 64bit unsigned integer to IEEE double | |
568035b7 | 3 | Copyright (C) 1997-2013 Free Software Foundation, Inc. |
e7b8c7bc RM |
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 | |
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. | |
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 | ||
e7b8c7bc RM |
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 | |
25 | Lesser General Public License for more details. | |
26 | ||
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/>. */ | |
e7b8c7bc RM |
30 | |
31 | #include "soft-fp.h" | |
32 | #include "double.h" | |
33 | ||
1e145589 JM |
34 | DFtype |
35 | __floatundidf(UDItype i) | |
e7b8c7bc RM |
36 | { |
37 | FP_DECL_EX; | |
38 | FP_DECL_D(A); | |
fe0b1e85 | 39 | DFtype a; |
e7b8c7bc | 40 | |
98998e9f | 41 | FP_INIT_ROUNDMODE; |
fe0b1e85 RM |
42 | FP_FROM_INT_D(A, i, DI_BITS, UDItype); |
43 | FP_PACK_RAW_D(a, A); | |
e7b8c7bc RM |
44 | FP_HANDLE_EXCEPTIONS; |
45 | ||
46 | return a; | |
47 | } |