initial import of NetBSD tree

1 files changed, 64 insertions, 0 deletions

diff --git a/gnu/usr.bin/gas/bignum.h b/gnu/usr.bin/gas/bignum.h
new file mode 100644
index 00000000000..374ceb0f81b
--- /dev/null
+++ b/gnu/usr.bin/gas/bignum.h
@@ -0,0 +1,64 @@
+/* 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/*
+ * $Id: bignum.h,v 1.1 1995/10/18 08:38:57 deraadt Exp $
+ */
+
+/***********************************************************************\
+ *									*
+ *	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 */
+#if __STDC__ == 1
+
+int bignum_copy(LITTLENUM_TYPE *in, int in_length,
+		LITTLENUM_TYPE *out, int out_length);
+
+#else
+
+int bignum_copy();
+
+#endif /* __STDC__ */
+
+
+/* end of bignum.h */