old-cross-binutils/gas/bignum.h
nobody 3a69b3aca6 This commit was manufactured by cvs2svn to create branch 'binutils'.
Cherrypick from master 1991-04-04 18:19:53 UTC K. Richard Pixley <rich@cygnus> 'Initial revision':
    gas/COPYING
    gas/ChangeLog
    gas/Makefile.in
    gas/README
    gas/app.c
    gas/as.c
    gas/as.h
    gas/atof-generic.c
    gas/bignum-copy.c
    gas/bignum.h
    gas/cond.c
    gas/config/atof-ieee.c
    gas/config/atof-vax.c
    gas/config/obj-aout.c
    gas/config/obj-aout.h
    gas/config/obj-bout.c
    gas/config/obj-bout.h
    gas/config/obj-coff.c
    gas/config/obj-coff.h
    gas/config/tc-a29k.c
    gas/config/tc-a29k.h
    gas/config/tc-generic.c
    gas/config/tc-generic.h
    gas/config/tc-i386.c
    gas/config/tc-i386.h
    gas/config/tc-i860.c
    gas/config/tc-i860.h
    gas/config/tc-i960.c
    gas/config/tc-i960.h
    gas/config/tc-m68851.h
    gas/config/tc-m68k.c
    gas/config/tc-m68k.h
    gas/config/tc-ns32k.c
    gas/config/tc-ns32k.h
    gas/config/tc-sparc.c
    gas/config/tc-sparc.h
    gas/config/tc-vax.c
    gas/config/tc-vax.h
    gas/config/te-generic.h
    gas/config/te-ic960.h
    gas/config/te-sun3.h
    gas/config/vax-inst.h
    gas/configure
    gas/configure.in
    gas/debug.c
    gas/expr.c
    gas/expr.h
    gas/flonum-copy.c
    gas/flonum-mult.c
    gas/flonum.h
    gas/frags.c
    gas/frags.h
    gas/hash.c
    gas/hash.h
    gas/input-file.c
    gas/input-file.h
    gas/input-scrub.c
    gas/messages.c
    gas/obj.h
    gas/output-file.c
    gas/output-file.h
    gas/read.c
    gas/read.h
    gas/struc-symbol.h
    gas/subsegs.c
    gas/subsegs.h
    gas/symbols.c
    gas/symbols.h
    gas/tc.h
    gas/write.c
    gas/write.h
    ld/ld.h
    ld/ldexp.c
    ld/ldfile.c
    ld/ldfile.h
    ld/ldlang.h
    ld/ldlex.h
    ld/ldmain.h
    ld/ldmisc.h
    ld/ldwrite.h
Cherrypick from master 1991-03-21 21:29:06 UTC David Henkel-Wallace <gumby@cygnus> 'Initial revision':
    ld/ldexp.h
    ld/ldgram.y
    ld/ldlang.c
    ld/ldlex.l
    ld/ldmain.c
    ld/ldmisc.c
    ld/ldwrite.c
Cherrypick from master 1991-01-17 15:34:55 UTC Roland Pesch <pesch@cygnus> 'Initial revision':
    gas/doc/as.texinfo
1991-04-04 18:19:54 +00:00

47 lines
1.8 KiB
C

/* bignum.h-arbitrary precision integers
Copyright (C) 1987 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, 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! */
/* end: bignum.h */