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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

43 lines
1.6 KiB
C

/* bignum.h-arbitrary precision integers
Copyright (C) 1987-2024 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;