|
0
|
1 /* Decimal floating point support functions for GNU compiler.
|
|
|
2 Copyright (C) 2005, 2006, 2007, 2008 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 *, enum machine_mode, const REAL_VALUE_TYPE *);
|
|
|
38 void decimal_real_to_decimal (char *, const REAL_VALUE_TYPE *, size_t, size_t, int);
|
|
|
39 void decimal_do_fix_trunc (REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *);
|
|
|
40 void decimal_real_maxval (REAL_VALUE_TYPE *, int, enum machine_mode);
|
|
|
41 void decimal_real_to_integer2 (HOST_WIDE_INT *, HOST_WIDE_INT *, const REAL_VALUE_TYPE *);
|
|
|
42 HOST_WIDE_INT decimal_real_to_integer (const REAL_VALUE_TYPE *);
|
|
|
43
|
|
|
44 #ifdef TREE_CODE
|
|
|
45 bool decimal_real_arithmetic (REAL_VALUE_TYPE *, enum tree_code, const REAL_VALUE_TYPE *,
|
|
|
46 const REAL_VALUE_TYPE *);
|
|
|
47 #endif
|
|
|
48
|
|
|
49 #endif /* GCC_DFP_H */
|
