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Release calc version 2.11.1
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43
prime.c
43
prime.c
@@ -1,27 +1,34 @@
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/*
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* Copyright (c) 1995 by Landon Curt Noll. All Rights Reserved.
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* prime - quickly determine if a small number is prime
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright, this permission notice and text
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* this comment, and the disclaimer below appear in all of the following:
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* Copyright (C) 1999 Landon Curt Noll
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*
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* supporting documentation
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* source copies
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* source works derived from this source
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* binaries derived from this source or from derived source
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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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* LANDON CURT NOLL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
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* EVENT SHALL LANDON CURT NOLL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
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* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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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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* chongo was here /\../\
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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: prime.c,v 29.1 1999/12/14 09:16:12 chongo Exp $
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* @(#) $Source: /usr/local/src/cmd/calc/RCS/prime.c,v $
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*
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* Under source code control: 1994/06/04 03:26:14
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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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*/
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#include "qmath.h"
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#include "prime.h"
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#include "jump.h"
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@@ -34,7 +41,7 @@
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* pr_map[i] & (1<<j) == 1 ==> i*16 + j*2 + 1 is prime
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* 0 ==> i*16 + j*2 + 1 is not prime
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*
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* This table is useful to quickly determining if a 16 bit odd number
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* This table is useful to quickly determine if a 16 bit odd number
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* is prime. Use the prime[] array to quickly walk thru the 16 bit
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* off primes.
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*/
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