2 nextprime - nearest prime greater than specified number
11 return positive integer or err
14 If n is an integer less than 2^32, nextprime(n) returns the
15 first prime greater than n.
17 If n >= 2^32 or n is fractional, nextprime(n, err) returns the value
20 Other cases cause a runtime error.
23 ; print nextprime(10), nextprime(100), nextprime(1e6)
26 ; print nextprime(3/2,-99), nextprime(2^32-1,-99), nextprime(2^32,-99)
33 FULL znprime(ZVALUE z)
36 factor, isprime, lfactor, nextcand, prevcand, prevprime,
39 ## Copyright (C) 1999-2006 Landon Curt Noll
41 ## Calc is open software; you can redistribute it and/or modify it under
42 ## the terms of the version 2.1 of the GNU Lesser General Public License
43 ## as published by the Free Software Foundation.
45 ## Calc is distributed in the hope that it will be useful, but WITHOUT
46 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
47 ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
48 ## Public License for more details.
50 ## A copy of version 2.1 of the GNU Lesser General Public License is
51 ## distributed with calc under the filename COPYING-LGPL. You should have
52 ## received a copy with calc; if not, write to Free Software Foundation, Inc.
53 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
55 ## @(#) $Revision: 30.1 $
56 ## @(#) $Id: nextprime,v 30.1 2007/03/16 11:10:42 chongo Exp $
57 ## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/nextprime,v $
59 ## Under source code control: 1995/12/18 12:34:57
60 ## File existed as early as: 1995
62 ## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
63 ## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/