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f5bc1778 | 1 | /* Temporary library support for decimal floating point. |
f57a3bca | 2 | Copyright (C) 2005-2018 Free Software Foundation, Inc. |
f5bc1778 DJ |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by | |
168a2f77 | 8 | the Free Software Foundation; either version 3, or (at your option) |
f5bc1778 DJ |
9 | any later version. |
10 | ||
f5bc1778 DJ |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT |
12 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
13 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
14 | License for more details. | |
15 | ||
168a2f77 DD |
16 | Under Section 7 of GPL version 3, you are granted additional |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
f5bc1778 | 24 | |
5f5dfcbe | 25 | #include "dconfig.h" |
f5bc1778 DJ |
26 | #include "decContext.h" |
27 | #include "decimal128.h" | |
28 | #include "decimal64.h" | |
29 | #include "decimal32.h" | |
30 | ||
31 | void __host_to_ieee_32 (_Decimal32, decimal32 *); | |
32 | void __host_to_ieee_64 (_Decimal64, decimal64 *); | |
33 | void __host_to_ieee_128 (_Decimal128, decimal128 *); | |
34 | ||
35 | extern int isinfd32 (_Decimal32); | |
36 | extern int isinfd64 (_Decimal64); | |
37 | extern int isinfd128 (_Decimal128); | |
38 | uint32_t __dec_byte_swap (uint32_t); | |
39 | ||
40 | int | |
41 | isinfd32 (_Decimal32 arg) | |
42 | { | |
43 | decNumber dn; | |
44 | decimal32 d32; | |
45 | ||
46 | __host_to_ieee_32 (arg, &d32); | |
47 | decimal32ToNumber (&d32, &dn); | |
48 | return (decNumberIsInfinite (&dn)); | |
49 | } | |
50 | ||
51 | int | |
52 | isinfd64 (_Decimal64 arg) | |
53 | { | |
54 | decNumber dn; | |
55 | decimal64 d64; | |
56 | ||
57 | __host_to_ieee_64 (arg, &d64); | |
58 | decimal64ToNumber (&d64, &dn); | |
59 | return (decNumberIsInfinite (&dn)); | |
60 | } | |
61 | ||
62 | int | |
63 | isinfd128 (_Decimal128 arg) | |
64 | { | |
65 | decNumber dn; | |
66 | decimal128 d128; | |
67 | ||
68 | __host_to_ieee_128 (arg, &d128); | |
69 | decimal128ToNumber (&d128, &dn); | |
70 | return (decNumberIsInfinite (&dn)); | |
71 | } |