#include <jni.h>
#include <stdio.h>
#include "A3.h"

// NOTE: No need to memorize this file
// The contents of this file can be referenced from A3.h which is the generated header file
// Refer explanation for more info: https://git.kska.io/sppu-te-comp-content/SystemsProgrammingAndOperatingSystem/src/branch/main/Codes/Group%20A/Assignment-A3/EXPLANATION.md

JNIEXPORT jint JNICALL Java_A3_add(JNIEnv *env, jobject obj, jint a, jint b) { // Function for addition
    jint result = a + b;
    printf("\n%d + %d = %d\n", a, b, result);
    return result; // Return the result
}

JNIEXPORT jint JNICALL Java_A3_sub(JNIEnv *env, jobject obj, jint a, jint b) { // Function for subtraction
    jint result = a - b;
    printf("\n%d - %d = %d\n", a, b, result);
    return result; // Return the result
}

JNIEXPORT jint JNICALL Java_A3_mul(JNIEnv *env, jobject obj, jint a, jint b) { // Function for multiplication
    jint result = a * b;
    printf("\n%d * %d = %d\n", a, b, result);
    return result; // Return the result
}

JNIEXPORT jint JNICALL Java_A3_div(JNIEnv *env, jobject obj, jint a, jint b) {  // Function for division
    if (b == 0) {
        printf("Error: Division by zero.\n");
        return 0; // Return 0 or handle error appropriately
    }
    jint result = a / b;
    printf("\n%d / %d = %d\n", a, b, result);
    return result; // Return the result
}