?? xigray.c
字號:
/* Driver for routine igray */
#include <stdio.h>
#include "nr.h"
main()
{
unsigned long jp,n,ng,nmax,nmin,nni,nxor;
for (;;) {
printf("input nmin,nmax: \n");
if (scanf("%lu %lu",&nmin,&nmax) == EOF) break;
jp=(nmax-nmin)/11;
if (jp < 1) jp=1;
printf("n, Gray[n], Gray(Gray[n]), Gray[n] ^ Gray[n+1]\n");
for (n=nmin;n<=nmax;n++) {
ng=igray(n,1);
nni=igray(ng,-1);
if (nni != n) printf("WRONG ! AT %d %d %d\n",n,ng,nni);
if (!((n-nmin) % jp)) {
nxor=ng ^ igray(n+1,1);
printf("%lu %lu %lu %lu\n",n,ng,nni,nxor);
}
}
}
printf("Normal completion\n");
return 0;
}
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