| 1 | /* Decimal floating point support functions for GNU compiler. |
|---|
| 2 | Copyright (C) 2005-2023 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 under |
|---|
| 7 | the terms of the GNU General Public License as published by the Free |
|---|
| 8 | Software Foundation; either version 3, or (at your option) any later |
|---|
| 9 | version. |
|---|
| 10 | |
|---|
| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
|---|
| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|---|
| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|---|
| 14 | for more details. |
|---|
| 15 | |
|---|
| 16 | You should have received a copy of the GNU General Public License |
|---|
| 17 | along with GCC; see the file COPYING3. If not see |
|---|
| 18 | <http://www.gnu.org/licenses/>. */ |
|---|
| 19 | |
|---|
| 20 | #ifndef GCC_DFP_H |
|---|
| 21 | #define GCC_DFP_H |
|---|
| 22 | |
|---|
| 23 | /* Encode REAL_VALUE_TYPEs into 32/64/128-bit IEEE 754 encoded values. */ |
|---|
| 24 | void encode_decimal32 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *); |
|---|
| 25 | void encode_decimal64 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *); |
|---|
| 26 | void decode_decimal128 (const struct real_format *, REAL_VALUE_TYPE *, const long *); |
|---|
| 27 | |
|---|
| 28 | /* Decode 32/64/128-bit IEEE 754 encoded values into REAL_VALUE_TYPEs. */ |
|---|
| 29 | void decode_decimal32 (const struct real_format *, REAL_VALUE_TYPE *, const long *); |
|---|
| 30 | void decode_decimal64 (const struct real_format *, REAL_VALUE_TYPE *, const long *); |
|---|
| 31 | void encode_decimal128 (const struct real_format *fmt, long *, const REAL_VALUE_TYPE *); |
|---|
| 32 | |
|---|
| 33 | /* Arithmetic and conversion functions. */ |
|---|
| 34 | int decimal_do_compare (const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *, int); |
|---|
| 35 | void decimal_real_from_string (REAL_VALUE_TYPE *, const char *); |
|---|
| 36 | void decimal_round_for_format (const struct real_format *, REAL_VALUE_TYPE *); |
|---|
| 37 | void decimal_real_convert (REAL_VALUE_TYPE *, const real_format *, |
|---|
| 38 | const REAL_VALUE_TYPE *); |
|---|
| 39 | void decimal_real_to_decimal (char *, const REAL_VALUE_TYPE *, size_t, size_t, int); |
|---|
| 40 | void decimal_do_fix_trunc (REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *); |
|---|
| 41 | void decimal_real_maxval (REAL_VALUE_TYPE *, int, machine_mode); |
|---|
| 42 | wide_int decimal_real_to_integer (const REAL_VALUE_TYPE *, bool *, int); |
|---|
| 43 | HOST_WIDE_INT decimal_real_to_integer (const REAL_VALUE_TYPE *); |
|---|
| 44 | |
|---|
| 45 | #ifdef TREE_CODE |
|---|
| 46 | bool decimal_real_arithmetic (REAL_VALUE_TYPE *, enum tree_code, const REAL_VALUE_TYPE *, |
|---|
| 47 | const REAL_VALUE_TYPE *); |
|---|
| 48 | #endif |
|---|
| 49 | |
|---|
| 50 | #endif /* GCC_DFP_H */ |
|---|
| 51 | |
|---|
