c-test/math_functions.c

#include <stdio.h>
#include "math_functions.h"


// I forgot how to do this in C.
// https://www.geeksforgeeks.org/c-function-argument-return-values/

// Well I built a basic calculator in C.
int add(int num1, int num2){
    int sum;
    sum = num1 + num2;

    return sum;
}

int subtract(int num1, int num2) {
    int sum;
    sum = num1 - num2;

    return sum;
}

int divide(int num1, int num2) {
    int sum;
    sum = num1 / num2;

    return sum;
}

int multiply(int num1, int num2) {
    int sum;
    sum = num1 * num2;

    return sum;
}

// Uses functions I have defined in math_functions.h
void mathFunctions(){
    int a = 3, b = 2;

    // int num1 = 100, num2 = 55;
    int addSum = add(a, b);
    int subtractSum = subtract(a, b);
    int multiplySum = multiply(a, b);
    int divideSum = divide(a, b);

    printf("The sum of %d + %d = %d\n", a, b, addSum);
    printf("The sum of %d - %d = %d\n", a, b, subtractSum);
    printf("The sum of %d * %d = %d\n", a, b, multiplySum);
    printf("The sum of %d / %d = %d\n", a, b, divideSum);
}