| 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 | } |