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author | andreas <andreas@FreeBSD.org> | 1998-04-29 21:53:01 +0000 |
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committer | andreas <andreas@FreeBSD.org> | 1998-04-29 21:53:01 +0000 |
commit | 0ec6169bea8adb8ddbf8f9ce363f6e1803f88621 (patch) | |
tree | 1529c15b522fa7bd199b5491bc88817aefc9b779 /contrib/bc/h/number.h | |
download | FreeBSD-src-0ec6169bea8adb8ddbf8f9ce363f6e1803f88621.zip FreeBSD-src-0ec6169bea8adb8ddbf8f9ce363f6e1803f88621.tar.gz |
Import GNU bc 1.04
PR: 4183
Diffstat (limited to 'contrib/bc/h/number.h')
-rw-r--r-- | contrib/bc/h/number.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/contrib/bc/h/number.h b/contrib/bc/h/number.h new file mode 100644 index 0000000..6ead2f57 --- /dev/null +++ b/contrib/bc/h/number.h @@ -0,0 +1,65 @@ +/* number.h: Arbitrary precision numbers header file. */ + +/* This file is part of GNU bc. + Copyright (C) 1991, 1992, 1993, 1994, 1997 Free Software Foundation, Inc. + + This program 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 of the License , or + (at your option) any later version. + + This program 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 this program; see the file COPYING. If not, write to + the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + + You may contact the author by: + e-mail: phil@cs.wwu.edu + us-mail: Philip A. Nelson + Computer Science Department, 9062 + Western Washington University + Bellingham, WA 98226-9062 + +*************************************************************************/ + + +typedef enum {PLUS, MINUS} sign; + +typedef struct + { + sign n_sign; + int n_len; /* The number of digits before the decimal point. */ + int n_scale; /* The number of digits after the decimal point. */ + int n_refs; /* The number of pointers to this number. */ + char n_value[1]; /* The storage. Not zero char terminated. It is + allocated with all other fields. */ + } bc_struct; + +typedef bc_struct *bc_num; + +/* The base used in storing the numbers in n_value above. + Currently this MUST be 10. */ + +#define BASE 10 + +/* Some useful macros and constants. */ + +#define CH_VAL(c) (c - '0') +#define BCD_CHAR(d) (d + '0') + +#ifdef MIN +#undef MIN +#undef MAX +#endif +#define MAX(a,b) ((a)>(b)?(a):(b)) +#define MIN(a,b) ((a)>(b)?(b):(a)) +#define ODD(a) ((a)&1) + +#ifndef TRUE +#define TRUE 1 +#define FALSE 0 +#endif |