/* * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Landon Curt Noll. * * %sccs.include.redist.c% */ #ifndef lint static char sccsid[] = "@(#)pattern.c 8.1 (Berkeley) 05/31/93"; #endif /* not lint */ /* * pattern - the Eratosthenes sieve on odd numbers for 3,5,7,11 and 13 * * By: Landon Curt Noll chongo@toad.com * * chongo /\oo/\ * * To avoid excessive sieves for small factors, we use the table below to * setup our sieve blocks. Each element represents a odd number starting * with 1. All non-zero elements are factors of 3, 5, 7, 11 and 13. */ char pattern[] = { 1,0,0,0,0,0,0,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0, 1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,1,0,1,0,0,0,0,0,0,1,0,1,0,0,1,1,0,0,0,0,1,1,0,0, 1,0,0,1,0,1,0,0,1,0,0,1,1,0,0,0,0,1,1,0,1,1,0,0,0,0,0,1,0,0,0,0,0,1,0,1,1,0,1, 0,0,1,1,0,0,0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0,1,0,1,0,0,0,0,0,0,1,0,1, 1,0,1,0,0,1,0,0,0,1,0,0,1,0,0,0,0,1,1,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,1,0,0,1, 1,0,0,1,0,1,0,0,0,1,0,0,0,0,1,1,0,0,0,0,1,1,0,1,1,0,1,0,0,1,0,0,0,1,0,1,1,0,1, 0,0,0,0,0,1,0,0,0,1,0,1,1,0,0,1,0,1,0,0,1,0,0,0,0,0,1,1,0,1,1,0,0,0,0,0,1,0,0, 1,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,0,0,1,1,0,1,0,0,1,1,0,0,1,0,0,1,0,1,1,0,0, 0,0,1,1,0,0,0,0,1,1,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,1,0,0,1,0,0,0,1,0,0,1,0,1, 1,0,0,1,0,1,0,0,1,0,0,0,1,0,1,1,0,0,1,0,1,0,0,0,1,0,0,1,0,1,0,0,0,1,0,1,0,0,1, 0,0,0,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,0,1,1,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,1, 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1,0,1,0,0,0,0,0,0,0,0,1,0,0,1,1,0,1,0,0,0,1,0,0,1,0,0,1,0,1,1,0,0,0,0,1,1,0,0, 1,0,1,0,0,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0,1,1,0,1,0,0,1,1,0,0,1,0,0,1,0,1,0,0,1, 0,0,1,1,0,0,0,0,0,1,0,0,1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1, 0,0,0,1,0,1,0,0,1,1,0,0,1,0,0,1,0,1,1,0,1,0,0,1,0,0,0,1,0,1,1,0,0,1,0,0,0,0,1, 1,0,0,0,0,1,0,0,1,1,0,1,0,0,1,1,0,0,0,0,1,1,0,1,0,0,1,0,0,0,1,0,0,1,0,1,1,0,0, 1,0,1,0,0,1,0,0,0,1,0,1,0,0,1,1,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,0,0,0,1,1,0,0, 1,0,0,1,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,1,1,0,0,0,0,1,1,0,0,0,0,0,1,0,1,1,0,1, 0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0,1,0,1,0,0,0,0,0,0,1,0,1, 1,0,1,1,0,0,0,0,0,1,0,0,1,0,1,0,0,1,1,0,1,0,0,1,1,0,0,0,0,0,1,0,0,1,0,1,0,0,0, 1,0,0,1,0,1,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,0,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1, 0,0,1,0,0,1,0,0,0,1,0,1,1,0,0,0,0,1,0,0,1,0,0,0,1,0,0,1,0,1,1,0,0,0,0,0,1,0,0, 1,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,1,0,0,1,1,0,0,1,0,0,1,0,1,1,0,0, 0,0,1,0,0,0,0,0,1,1,0,1,1,0,0,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,0,0,1,0,0,0,0,1, 1,0,0,1,0,1,0,0,0,0,0,0,1,0,1,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1,0,0,0,1,0,1,0,0,1, 1,0,0,1,0,0,0,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,0,0,0,1,1,0,0,0,0,0,1,0,1, 1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0,1,0,0,0,0,1,0,0,0, 1,0,1,1,0,1,0,0,1,0,0,0,0,0,0,1,0,1,0,0,1,1,0,0,0,0,1,1,0,0,1,0,0,1,0,1,1,0,1, 0,0,1,1,0,0,0,0,1,1,0,1,1,0,0,0,0,0,1,0,0,0,0,1,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1, 0,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0,1,0,1,0,0,1,0,0,0,1,0,1,1,0,0,0,0,1,0,0,0, 1,0,0,1,0,0,0,0,1,1,0,1,0,0,1,1,0,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,0, 1,0,0,0,0,1,0,0,0,0,0,1,1,0,1,1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,0,0,0,0,0,1,1,0,0, 1,0,1,1,0,0,0,0,1,0,0,1,0,0,0,0,0,1,1,0,1,1,0,1,0,0,0,1,0,0,1,0,0,0,0,1,1,0,1, 0,0,1,1,0,0,0,0,0,0,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,1,0,0,0,0,0,1,0,0,0,0,1, 1,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0,1,0,1,0,0,1, 0,0,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,1,0,0,1,0,0,0,1,0,0,1,0,1, 1,0,0,0,0,1,0,0,0,1,0,1,1,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,1,1,0,0,0,0,0,1,0,0, 1,0,1,1,0,1,0,0,1,0,0,1,1,0,0,1,0,1,0,0,0,1,0,1,0,0,1,0,0,0,1,0,0,1,0,1,1,0,1, 0,0,0,1,0,0,0,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1, 1,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,0,1,0,0,1,1,0,0,1,0,1,1,0,0,0,0,1,0,0,1, 0,0,0,1,0,1,0,0,0,1,0,0,0,0,1,0,0,0,1,0,1,1,0,1,1,0,1,0,0,0,1,0,0,0,0,1,0,0,1, 1,0,1,0,0,0,0,0,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,0,0,1,1,0,0,0,0,1,1,0,0, 0,0,1,1,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,1, 0,0,1,0,0,0,0,0,1,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0,0,1,0,0, 1,0,1,1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,0,1,0,1,0,0,1, 1,0,0,0,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,1,1,0,0,1,0,1,0,0,1,0,0,0,1,0,1,0,0,1, 1,0,1,0,0,0,0,0,0,1,0,1,0,0,1,1,0,1,0,0,1,1,0,0,1,0,0,1,0,1,0,0,0,0,0,1,1,0,0, 1,0,0,1,0,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0,1,1,0,1,0,0,1,1,0,0,1,0,0,1,0,0,0,0,1, 0,0,1,1,0,0,0,0,1,1,0,0,1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,1,0,0,0,0,0,1,0,0,1,0,1, 0,0,1,1,0,1,0,0,1,1,0,0,0,0,0,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1,1,0,0,1,0,0,0,0,1, 1,0,0,0,0,1,0,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0, 0,0,1,0,0,1,0,0,0,1,0,0,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,0,0,0,1,1,0,0, 1,0,0,1,0,0,0,0,1,0,0,1,1,0,0,1,0,1,1,0,1,1,0,0,0,0,1,0,0,0,0,0,0,1,0,1,1,0,0, 0,0,1,1,0,0,0,0,1,1,0,1,0,0,1,0,0,1,1,0,0,0,0,1,1,0,0,1,0,1,0,0,0,0,0,0,1,0,1, 1,0,1,1,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,1,0,0,1, 1,0,0,1,0,1,0,0,1,0,0,0,0,0,1,1,0,0,0,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1, 0,0,1,0,0,1,0,0,0,1,0,1,1,0,0,1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,1,0,0,0,0,0,0,0,0, 1,0,1,0,0,1,0,0,0,0,0,1,1,0,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,0,0,0,1,0,1,1,0,0, 0,0,0,1,0,0,0,0,1,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,0,0,1,0,0,1,0,0,0,1,0,0,1,0,1, 1,0,0,1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,0,0,1,0,0,0,1,0,0,1,0,0,0,0,0,1,0,1,0,0,1, 1,0,0,1,0,0,0,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,0,1,0,0,0,0,1,1,0,0,0,0,1,1,0,1, 1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,0,0,0,0,0,1,1,0,0,1,0,1,1,0,0,1,0,0,0,0,1,0,0,0, 0,0,1,1,0,1,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,1,0,1,0,0,1,1,0,0,1,0,0,0,0,1,1,0,1, 0,0,1,1,0,0,0,0,1,1,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,1,0,0,1,0,0,0,1,0,0,1,0,0, 1,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0,1,0,1,0,0,1,0,0,0,1,0,1,1,0,0,1,0,1,0,0,0, 1,0,0,1,0,1,0,0,1,1,0,1,0,0,1,0,0,0,1,0,0,1,0,1,1,0,0,0,0,1,1,0,0,1,0,1,1,0,1, 1,0,0,0,0,1,0,0,0,0,0,1,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1,1,0,1,0,0,0,0,0,1,1,0,0, 1,0,1,0,0,0,0,0,1,0,0,1,0,0,0,1,0,1,1,0,1,1,0,1,0,0,0,1,0,0,1,0,0,0,0,1,0,0,1, 0,0,1,1,0,0,0,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,1,0,0,0,0,0,1,0,0,0,0,1, 1,0,0,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,0,1,0,0,0,1,0,1,1,0,0,1,0,0,0,0,1, 0,0,0,1,0,1,0,0,1,1,0,1,0,0,0,1,0,0,0,0,1,0,0,1,1,0,1,0,0,0,1,0,0,1,0,0,1,0,1, 1,0,1,0,0,1,0,0,0,1,0,1,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,1,1,0,0,0,0,1,1,0,0, 1,0,1,1,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,1,0,0,1,0,0,0,1,0,0,1,0,1,1,0,1, 0,0,0,1,0,0,0,0,1,0,0,0,1,0,1,0,0,1,1,0,0,1,0,0,1,0,1,1,0,1,0,0,0,0,0,0,1,0,1, 1,0,1,1,0,0,0,0,1,1,0,0,0,0,1,1,0,1,1,0,1,0,0,1,1,0,0,0,0,1,1,0,0,0,0,1,0,0,0, 1,0,0,1,0,1,0,0,0,1,0,1,0,0,1,0,0,0,1,0,1,0,0,1,1,0,1,0,0,0,1,0,0,1,0,1,0,0,1, 1,0,1,0,0,1,0,0,0,1,0,0,1,0,1,0,0,1,0,0,1,1,0,0,1,0,0,1,0,1,1,0,0,0,0,1,1,0,0, 0,0,1,1,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0,0,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,1, 0,0,1,0,0,0,0,0,1,1,0,1,1,0,0,0,0,0,1,0,0,1,0,1,0,0,1,1,0,1,0,0,0,1,0,0,0,0,0, 1,0,1,1,0,1,0,0,0,1,0,0,1,0,1,1,0,1,1,0,0,0,0,1,1,0,0,0,0,1,0,0,0,1,0,1,0,0,1, 1,0,0,1,0,1,0,0,1,0,0,1,0,0,1,1,0,0,1,0,1,1,0,0,0,0,1,0,0,1,0,0,0,1,0,0,1,0,1, 1,0,1,0,0,0,0,0,0,1,0,1,0,0,1,1,0,1,0,0,1,1,0,0,1,0,0,1,0,0,1,0,0,0,0,1,1,0,0, 1,0,1,1,0,1,0,0,0,0,0,1,0,0,0,0,0,1,1,0,1,1,0,0,0,0,1,1,0,0,1,0,0,1,0,1,0,0,1, 0,0,1,1,0,0,0,0,1,1,0,0,1,0,1,0,0,0,0,0,0,1,0,1,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1, 0,0,1,1,0,1,0,0,1,1,0,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,0,0,0,0,0,0,1 }; int pattern_size = (sizeof(pattern)/sizeof(pattern[0]));