/* Program long-loop */

#include <stdio.h>

#define inc 0.1 /* increment added each time through the loop */

int main () {

  float sum;  /* the result of our additions */
  float diff; /* difference between sum and 1.0 */

  /* printing headers */
  printf ("program successively adds 0.1, starting at 0.0 until it reaches 1.0\n\n");
  printf ("     sum   difference from 1.0\n");

  sum = 0.0;
  while (sum != 1.0) {
    diff = 1.0 -  sum;
    printf ("%10.8f   %12.8f\n", sum, diff);
    sum += inc;
  }

  printf ("program done\n");
}