/*
  Program to illustrate that you can't add accurately in floating point. 

  Written by:  Dan Stearns
  Date:        fall 2000
  Notes:
    The use of double doesn't solve the problem.
*/

#include <stdio.h>

main () {
  float a = 0.0;
  float b = 1.00;
  int counter = 0;

  /* add 100 pennies */
  for (counter=1; counter <= 100; counter++) {
    a = a + .01;
  }

  /* check if the sum of 100 pennies == one dollar */
  if ( a == b) 
    printf ("%s\n", "equal");
  else 
    printf("%s\n", "not equal");

  printf ("%f\n",a);

}