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- /* bignum.h-arbitrary precision integers
- Copyright (C) 1987-2015 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;
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