/* Figure 3.7  Square Root Program */
/*
 * Performs three square root computations
 */

#include <stdio.h> /* definitions of printf, scanf */
#include <math.h>  /* definition of sqrt */

int
main(void)
{
      double first, second,   /* input - two data values         */
             first_sqrt,      /* output - square root of first   */
             second_sqrt,     /* output - square root of second  */
             sum_sqrt;        /* output - square root of sum     */

      /* Get first number and display its square root.  */
      printf("Enter the first number> ");
      scanf("%lf", &first);
      first_sqrt = sqrt(first);
      printf("The square root of the first number is %.4f\n", first_sqrt);

       /* Get second number and display its square root. */
      printf("Enter the second number> ");
      scanf("%lf", &second);
      second_sqrt = sqrt(second);
      printf("The square root of the second number is %.4f\n", second_sqrt);

      /* Display the square root of the sum of the two numbers. */
      sum_sqrt = sqrt(first + second);
      printf("The square root of the sum of the two numbers is %.4f\n",
             sum_sqrt);

      return (0);
}

/*
Enter the first number> 9.0
The square root of the first number is 3.00
Enter the second number> 16.0
The square root of the second number is 4.00
The square root of the sum of the two numbers is 5.00
*/