mirror of
https://github.com/lcn2/calc.git
synced 2025-08-16 01:03:29 +03:00
db77e29a23
Converted all ASCII tabs to ASCII spaces using a 8 character tab stop, for all files, except for all Makefiles (plus rpm.mk). The `git diff -w` reports no changes.
66 lines
1.7 KiB
Plaintext
66 lines
1.7 KiB
Plaintext
NAME
|
|
bit - whether a given binary bit is set in a value
|
|
|
|
SYNOPSIS
|
|
bit(x, y)
|
|
|
|
TYPES
|
|
x real
|
|
y int
|
|
|
|
return int
|
|
|
|
DESCRIPTION
|
|
Determine if the binary bit y is set in x. If:
|
|
|
|
x
|
|
int(---) mod 2 == 1
|
|
2^y
|
|
|
|
return 1, otherwise return 0.
|
|
|
|
EXAMPLE
|
|
; print bit(9,0), bit(9,1), bit(9,2), bit(9,3)
|
|
1 0 0 1
|
|
|
|
; print bit(9,4), bit(0,0), bit(9,-1)
|
|
0 0 0
|
|
|
|
; print bit(1.25, -2), bit(1.25, -1), bit(1.25, 0)
|
|
1 0 1
|
|
|
|
; p = pi()
|
|
; print bit(p, 1), bit(p, -2), bit(p, -3)
|
|
1 0 1
|
|
|
|
LIMITS
|
|
-2^31 < y < 2^31
|
|
|
|
LINK LIBRARY
|
|
BOOL qbit(NUMBER *x, long y)
|
|
|
|
SEE ALSO
|
|
highbit, lowbit, digit
|
|
|
|
## Copyright (C) 1999 Landon Curt Noll
|
|
##
|
|
## Calc is open software; you can redistribute it and/or modify it under
|
|
## the terms of the version 2.1 of the GNU Lesser General Public License
|
|
## as published by the Free Software Foundation.
|
|
##
|
|
## Calc 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 Lesser General
|
|
## Public License for more details.
|
|
##
|
|
## A copy of version 2.1 of the GNU Lesser General Public License is
|
|
## distributed with calc under the filename COPYING-LGPL. You should have
|
|
## received a copy with calc; if not, write to Free Software Foundation, Inc.
|
|
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
##
|
|
## Under source code control: 1994/10/21 02:21:30
|
|
## File existed as early as: 1994
|
|
##
|
|
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
|
|
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
|