#include <stdio.h>

/* Test out using shifting to multiply and divide */
/* Using full 32 bit numbers */

int main(int argc, char **argv) {
  int i,x,result;

  /* Make sure there are3 command line arguments 
    (the program name is one, we also want a number) */
  if (argc !=2) {
    printf("Error - you have to specify a number\n");
    exit(1);
  }

  x = atoi(argv[1]);		/* convert first argument to an int */

  /* try shifting left */
  for (i=0;i<8;i++) {
    result = x << i;
    printf("%d << %d = %d\n", x,i,result);
  }

  /* try shifting right */
  for (i=0;i<8;i++) {
    result = x >> i;
    printf("%d >> %d = %d\n", x,i,result);
  }

  return(0);
}