76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
/*******************************************************************************
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* The BYTE UNIX Benchmarks - Release 3
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* Module: hanoi.c SID: 3.3 5/15/91 19:30:20
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*
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*******************************************************************************
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* Bug reports, patches, comments, suggestions should be sent to:
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*
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* Ben Smith, Rick Grehan or Tom Yager
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* ben@bytepb.byte.com rick_g@bytepb.byte.com tyager@bytepb.byte.com
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*
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*******************************************************************************
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* Modification Log:
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* $Header: hanoi.c,v 3.5 87/08/06 08:11:14 kenj Exp $
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* August 28, 1990 - Modified timing routines (ty)
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* October 22, 1997 - code cleanup to remove ANSI C compiler warnings
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* Andy Kahn <kahn@zk3.dec.com>
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*
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******************************************************************************/
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char SCCSid[] = "@(#) @(#)hanoi.c:3.3 -- 5/15/91 19:30:20";
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#define other(i,j) (6-(i+j))
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#include <stdio.h>
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#include <stdlib.h>
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#include "timeit.c"
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void mov(int n, int f, int t);
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unsigned long iter = 0;
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int num[4];
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long cnt;
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void report(int sig)
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{
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fprintf(stderr,"COUNT|%ld|1|lps\n", iter);
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exit(0);
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}
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int main(int argc, char *argv[])
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{
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int disk=10, /* default number of disks */
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duration;
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if (argc < 2) {
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fprintf(stderr,"Usage: %s duration [disks]\n", argv[0]);
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exit(1);
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}
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duration = atoi(argv[1]);
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if(argc > 2) disk = atoi(argv[2]);
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num[1] = disk;
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wake_me(duration, report);
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while(1) {
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mov(disk,1,3);
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iter++;
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}
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exit(0);
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}
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void mov(int n, int f, int t)
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{
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int o;
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if(n == 1) {
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num[f]--;
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num[t]++;
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return;
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}
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o = other(f,t);
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mov(n-1,f,o);
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mov(1,f,t);
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mov(n-1,o,t);
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}
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