/*------------------------------------------------------------------*/
/* testmymath.c (Version 4)                                         */
/*------------------------------------------------------------------*/

#include "mymath.h"
#include <stdio.h>
#include <stdlib.h>

int main(void)

/* Read two positive integers from stdin, compute the greatest
   common divisor and least common multiple of the two numbers,
   and write those two values to stdout. */

{
   int i1; 
   int i2;
   int iGcd;
   int iLcm;
   int iScanfReturn;

   printf("Enter the first positive integer:\n");
   iScanfReturn = scanf("%d", &i1);
   if ((iScanfReturn != 1) || (i1 <= 0))
   {
      fprintf(stderr, "Error: Not a positive number.\n");
      exit(EXIT_FAILURE);
   }

   printf("Enter the second positive integer:\n");
   iScanfReturn = scanf("%d", &i2);
   if ((iScanfReturn != 1) || (i2 <= 0))
   {
      fprintf(stderr, "Error: Not a positive number.\n");
      exit(EXIT_FAILURE);
   }

   iGcd = MyMath_gcd(i1, i2);
   iLcm = MyMath_lcm(i1, i2);

   printf("The greatest common divisor of %d and %d is %d.\n",
      i1, i2, iGcd);
   printf("The least common multiple of %d and %d is %d.\n",
      i1, i2, iLcm);

   return 0;
}