#include <stdio.h>

int compara(float f1, float f2);

void mostra(float f1, float f2, int res) {
  if (res == 0) {
    printf("%f\tigual a  \t%f\n", f1,f2);
  }
  else
   if (res < 0)
     printf("%f\tmenor que\t%f\n", f1,f2);
   else
     printf("%f\tmaior que\t%f\n", f1,f2);
}

int main() {
   float f1,f2;

   /* compara */

   f1 = 12345.75;
   f2 = 1.234575;
   mostra(f1, f2, compara(f1,f2));
   mostra(f2, f1, compara(f2,f1));

   f1 = -12345.75;
   f2 = -1.234575;
   mostra(f1, f2, compara(f1,f2));
   mostra(f2, f1, compara(f2,f1));

   f1 = 12345.75;
   f2 = -12345.75;
   mostra(f1, f2, compara(f1,f2));
   mostra(f2, f1, compara(f2,f1));

   f1 = 12345.75;
   f2 = 12345.75;
   mostra(f1, f2, compara(f1,f2));

   f1 = -12345.75;
   f2 = -12345.75;
   mostra(f1, f2, compara(f1,f2));

   f1 = 0.00075;
   f2 = 12345.75;
   mostra(f1, f2, compara(f1,f2));

   f1 = 0.00075;
   f2 = -12345.75;
   mostra(f1, f2, compara(f1,f2));

   f1 = 0;
   f2 = 12345.75;
   mostra(f1, f2, compara(f1,f2));

   f1 = -12345.75;
   f2 = 0;
   mostra(f1, f2, compara(f1,f2));

   return 0;
}