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f5bc1778 1/* Temporary library support for decimal floating point.
f57a3bca 2 Copyright (C) 2005-2018 Free Software Foundation, Inc.
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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)
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9 any later version.
10
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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
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16Under Section 7 of GPL version 3, you are granted additional
17permissions described in the GCC Runtime Library Exception, version
183.1, as published by the Free Software Foundation.
19
20You should have received a copy of the GNU General Public License and
21a copy of the GCC Runtime Library Exception along with this program;
22see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23<http://www.gnu.org/licenses/>. */
f5bc1778 24
5f5dfcbe 25#include "dconfig.h"
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26#include "decContext.h"
27#include "decimal128.h"
28#include "decimal64.h"
29#include "decimal32.h"
30
31void __host_to_ieee_32 (_Decimal32, decimal32 *);
32void __host_to_ieee_64 (_Decimal64, decimal64 *);
33void __host_to_ieee_128 (_Decimal128, decimal128 *);
34
35extern int isinfd32 (_Decimal32);
36extern int isinfd64 (_Decimal64);
37extern int isinfd128 (_Decimal128);
38uint32_t __dec_byte_swap (uint32_t);
39
40int
41isinfd32 (_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
51int
52isinfd64 (_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
62int
63isinfd128 (_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}