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primes.h revision 1.1 
      1  1.1  cgd /*
      2  1.1  cgd  * Copyright (c) 1989 The Regents of the University of California.
      3  1.1  cgd  * All rights reserved.
      4  1.1  cgd  *
      5  1.1  cgd  * This code is derived from software contributed to Berkeley by
      6  1.1  cgd  * Landon Curt Noll.
      7  1.1  cgd  *
      8  1.1  cgd  * Redistribution and use in source and binary forms, with or without
      9  1.1  cgd  * modification, are permitted provided that the following conditions
     10  1.1  cgd  * are met:
     11  1.1  cgd  * 1. Redistributions of source code must retain the above copyright
     12  1.1  cgd  *    notice, this list of conditions and the following disclaimer.
     13  1.1  cgd  * 2. Redistributions in binary form must reproduce the above copyright
     14  1.1  cgd  *    notice, this list of conditions and the following disclaimer in the
     15  1.1  cgd  *    documentation and/or other materials provided with the distribution.
     16  1.1  cgd  * 3. All advertising materials mentioning features or use of this software
     17  1.1  cgd  *    must display the following acknowledgement:
     18  1.1  cgd  *	This product includes software developed by the University of
     19  1.1  cgd  *	California, Berkeley and its contributors.
     20  1.1  cgd  * 4. Neither the name of the University nor the names of its contributors
     21  1.1  cgd  *    may be used to endorse or promote products derived from this software
     22  1.1  cgd  *    without specific prior written permission.
     23  1.1  cgd  *
     24  1.1  cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  1.1  cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  1.1  cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  1.1  cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  1.1  cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  1.1  cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  1.1  cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  1.1  cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  1.1  cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  1.1  cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  1.1  cgd  * SUCH DAMAGE.
     35  1.1  cgd  *
     36  1.1  cgd  *	@(#)primes.h	5.2 (Berkeley) 6/1/90
     37  1.1  cgd  */
     38  1.1  cgd 
     39  1.1  cgd /*
     40  1.1  cgd  * primes - generate a table of primes between two values
     41  1.1  cgd  *
     42  1.1  cgd  * By: Landon Curt Noll   chongo (at) toad.com,   ...!{sun,tolsoft}!hoptoad!chongo
     43  1.1  cgd  *
     44  1.1  cgd  *   chongo <for a good prime call: 391581 * 2^216193 - 1> /\oo/\
     45  1.1  cgd  */
     46  1.1  cgd 
     47  1.1  cgd /* ubig is the type that holds a large unsigned value */
     48  1.1  cgd typedef unsigned long ubig;           /* must be >=32 bit unsigned value */
     49  1.1  cgd 
     50  1.1  cgd /*
     51  1.1  cgd  * sieve parameters
     52  1.1  cgd  */
     53  1.1  cgd #define BIG ((ubig)0xffffffff)        /* highest value we will sieve */
     54  1.1  cgd #define SEMIBIG ((ubig)0x7fffffff)    /* highest signed value */
     55  1.1  cgd #define NEG_SEMIBIG ((ubig)0x80000000) /* lowest signed value */
     56  1.1  cgd #define TABSIZE 256*1024 /* bytes in sieve table (must be > 3*5*7*11) */
     57