Function Example

/*  File:  CleanFunctionExample.c

  By:  Christopher Manloloyo  

*/

/*  This Program is a function variation of Variables.c   */

#include<stdio.h>

float print_then_add(int x, float y);

int main()

{  

    // declare variables

    int i_am_an_integer;

    char i_am_a_char;

    float i_am_a_float;

    double i_am_a_double;

    float sum;

    // initialize variables

    i_am_an_integer = 11;

    i_am_a_char = 'c';

    i_am_a_float = 1.23;

    i_am_a_double = 1.23;

    // use variables

    printf("This is an integer: %i \n", i_am_an_integer);

    printf("This is an char: %c \n", i_am_a_char);

    printf("This is an float: %2.3f \n", i_am_a_float);

    printf("This is an double: %f \n", i_am_a_double);

    //Function Call

    sum = print_then_add(i_am_an_integer, i_am_a_float);

    /* 

    sum = print_then_add(i_am_an_integer, (float)i_am_an_integer + print_then_add((int)i_am_a_float, i_am_a_float));

    */

     printf("The sum of the integer and float is: %3.5f \n", sum);

}

float print_then_add(int x, float y)

{      

    //float sumOfNum;

     // print the values for x and y

     printf("The value of x in the function is : %i \n", x);

     printf("The value of y in the function is : %f\n", y);

      // Return  The Sum

     return (x+y);

    // Alternatively, we could write the code in comments below.

    //sumOfNum = x+y;

    //return sumOfNum;

}