#include <stdio.h>
#include <float.h>

int main(int argc, char *argv[]) {

  float f = 4.0;
  double d = 5.0;

  printf("5.0 = %lf\n\n", (f+d)-f);

  f = FLT_MAX;
  d = 1.0;

  printf("(f+d)-f =? d\n");
  printf("(\n%f \n+ %lf\n) \n- \n%f \n= %lf\n\n", f, d, f, (f+d)-f );
  printf(" ?= %lf\n", d);
  
  return 0;
}