/* Program to compute 0.1 + 0.1 + ... 0.1 (ten times) */

#include <stdio.h>

int main ()
{
  double one = 1.0;
  double ten = 10.0;
  double one_tenth = one / ten;
  double result = one_tenth + one_tenth + one_tenth
                + one_tenth + one_tenth + one_tenth
                + one_tenth + one_tenth + one_tenth
                + one_tenth;                
  printf ("result is %20.16lf\n", result);
  if (result == one)
    printf ("adding one_tenth ten times IS one\n");
  else
    printf ("adding one_tenth ten times IS NOT one\n");
    
  return 0;
}