diff options
author | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1996-01-08 11:10:27 +0000 |
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committer | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1996-01-08 11:10:27 +0000 |
commit | 8b46c09925a80623c289e346c12921bc09fd1678 (patch) | |
tree | 01507d0da339cc7e5e6f5d16dfa625f94910b091 /gnu/usr.bin/binutils/gas/bignum.h | |
parent | 5d56227f9458a53138642c1b4488b4a30f85f334 (diff) |
Initial GNU binutils 2.6 import
Diffstat (limited to 'gnu/usr.bin/binutils/gas/bignum.h')
-rw-r--r-- | gnu/usr.bin/binutils/gas/bignum.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gas/bignum.h b/gnu/usr.bin/binutils/gas/bignum.h new file mode 100644 index 00000000000..e3b2f167998 --- /dev/null +++ b/gnu/usr.bin/binutils/gas/bignum.h @@ -0,0 +1,52 @@ +/* bignum.h-arbitrary precision integers + Copyright (C) 1987, 1992 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 2, 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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; + +/* JF truncated this to get around a problem with GCC */ +#define LOG_TO_BASE_2_OF_10 (3.3219280948873623478703194294893901758651) +/* WARNING: I haven't checked that the trailing digits are correct! */ + +/* lengths are in sizeof(littlenum)s */ + +int bignum_copy PARAMS ((LITTLENUM_TYPE * in, int in_length, + LITTLENUM_TYPE * out, int out_length)); + +/* end of bignum.h */ |