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70 lines
1.7 KiB
Plaintext
70 lines
1.7 KiB
Plaintext
NAME
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bit - whether a given binary bit is set in a value
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SYNOPSIS
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bit(x, y)
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TYPES
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x real
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y int
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return int
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DESCRIPTION
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Determine if the binary bit y is set in x. If:
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x
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int(---) mod 2 == 1
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2^y
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return 1, otherwise return 0.
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EXAMPLE
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> print bit(9,0), bit(9,1), bit(9,2), bit(9,3)
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1 0 0 1
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> print bit(9,4), bit(0,0), bit(9,-1)
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0 0 0
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> print bit(1.25, -2), bit(1.25, -1), bit(1.25, 0)
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1 0 1
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> p = pi()
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> print bit(p, 1), bit(p, -2), bit(p, -3)
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1 0 1
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LIMITS
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-2^31 < y < 2^31
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LINK LIBRARY
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BOOL qbit(NUMBER *x, long y)
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SEE ALSO
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highbit, lowbit, digit
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## Copyright (C) 1999 Landon Curt Noll
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##
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## Calc is open software; you can redistribute it and/or modify it under
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## the terms of the version 2.1 of the GNU Lesser General Public License
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## as published by the Free Software Foundation.
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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## distributed with calc under the filename COPYING-LGPL. You should have
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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##
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## @(#) $Revision: 29.1 $
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## @(#) $Id: bit,v 29.1 1999/12/14 09:15:42 chongo Exp $
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## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/bit,v $
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##
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## Under source code control: 1994/10/21 02:21:30
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## File existed as early as: 1994
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##
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## chongo <was here> /\oo/\ http://reality.sgi.com/chongo/
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## Share and enjoy! :-) http://reality.sgi.com/chongo/tech/comp/calc/
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