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f5bc1778 DJ |
1 | /* Temporary library support for decimal floating point. |
2 | Copyright (C) 2005, 2006 Free Software Foundation, Inc. | |
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 | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | In addition to the permissions in the GNU General Public License, | |
12 | the Free Software Foundation gives you unlimited permission to link | |
13 | the compiled version of this file into combinations with other | |
14 | programs, and to distribute those combinations without any | |
15 | restriction coming from the use of this file. (The General Public | |
16 | License restrictions do apply in other respects; for example, they | |
17 | cover modification of the file, and distribution when not linked | |
18 | into a combine executable.) | |
19 | ||
20 | GCC is distributed in the hope that it will be useful, but WITHOUT | |
21 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
22 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
23 | License for more details. | |
24 | ||
25 | You should have received a copy of the GNU General Public License | |
26 | along with GCC; see the file COPYING. If not, write to the Free | |
27 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA | |
28 | 02110-1301, USA. */ | |
29 | ||
30 | #include "config.h" | |
31 | #include "decContext.h" | |
32 | #include "decimal128.h" | |
33 | #include "decimal64.h" | |
34 | #include "decimal32.h" | |
35 | ||
36 | void __host_to_ieee_32 (_Decimal32, decimal32 *); | |
37 | void __host_to_ieee_64 (_Decimal64, decimal64 *); | |
38 | void __host_to_ieee_128 (_Decimal128, decimal128 *); | |
39 | ||
40 | extern int isinfd32 (_Decimal32); | |
41 | extern int isinfd64 (_Decimal64); | |
42 | extern int isinfd128 (_Decimal128); | |
43 | uint32_t __dec_byte_swap (uint32_t); | |
44 | ||
45 | int | |
46 | isinfd32 (_Decimal32 arg) | |
47 | { | |
48 | decNumber dn; | |
49 | decimal32 d32; | |
50 | ||
51 | __host_to_ieee_32 (arg, &d32); | |
52 | decimal32ToNumber (&d32, &dn); | |
53 | return (decNumberIsInfinite (&dn)); | |
54 | } | |
55 | ||
56 | int | |
57 | isinfd64 (_Decimal64 arg) | |
58 | { | |
59 | decNumber dn; | |
60 | decimal64 d64; | |
61 | ||
62 | __host_to_ieee_64 (arg, &d64); | |
63 | decimal64ToNumber (&d64, &dn); | |
64 | return (decNumberIsInfinite (&dn)); | |
65 | } | |
66 | ||
67 | int | |
68 | isinfd128 (_Decimal128 arg) | |
69 | { | |
70 | decNumber dn; | |
71 | decimal128 d128; | |
72 | ||
73 | __host_to_ieee_128 (arg, &d128); | |
74 | decimal128ToNumber (&d128, &dn); | |
75 | return (decNumberIsInfinite (&dn)); | |
76 | } |