blob: 12bd8ddfb765716c3ef2a79961f64c54c8d15309 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* bignum.h-arbitrary precision integers
Copyright (C) 1987-2020 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1301, USA. */
/***********************************************************************\
* *
* Arbitrary-precision integer arithmetic. *
* For speed, we work in groups of bits, even though this *
* complicates algorithms. *
* Each group of bits is called a 'littlenum'. *
* A bunch of littlenums representing a (possibly large) *
* integer is called a 'bignum'. *
* Bignums are >= 0. *
* *
\***********************************************************************/
#define LITTLENUM_NUMBER_OF_BITS (16)
#define LITTLENUM_RADIX (1 << LITTLENUM_NUMBER_OF_BITS)
#define LITTLENUM_MASK (0xFFFF)
#define LITTLENUM_SHIFT (1)
#define CHARS_PER_LITTLENUM (1 << LITTLENUM_SHIFT)
#ifndef BITS_PER_CHAR
#define BITS_PER_CHAR (8)
#endif
typedef unsigned short LITTLENUM_TYPE;
|
