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authorNiklas Hallqvist <niklas@cvs.openbsd.org>1996-01-08 11:10:27 +0000
committerNiklas Hallqvist <niklas@cvs.openbsd.org>1996-01-08 11:10:27 +0000
commit8b46c09925a80623c289e346c12921bc09fd1678 (patch)
tree01507d0da339cc7e5e6f5d16dfa625f94910b091 /gnu/usr.bin/binutils/gas/bignum.h
parent5d56227f9458a53138642c1b4488b4a30f85f334 (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.h52
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
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+++ b/gnu/usr.bin/binutils/gas/bignum.h
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+/* 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 */