intal_client_sample.c

//A sample client for intal.h

//Expected output for this client:
/*
First intal: 4999
Second intal: 2001
Two intals after increment and decrement:
5000
2000
Max of two intals: 5000
Sum: 7000
Diff: 3000
Product: 10000000
Quotient: 2
5000 ^ 2: 25000000
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "intal.h"

int main(int argc, char const *argv[]) {
	char str1[100] = "4999";
	char str2[100] = "2001";
	char str3[100] = "PESU";
	char *str4;
	void *intal1;
	void *intal2;
	void *intal3;
	void *sum;
	void *diff;
	void *product;
	void *quotient;
	void *quotient2;
	void *exp;

	intal1 = intal_create(str1); //4999
	intal2 = intal_create(str2); //2001
	strcpy(str3, "PESU");
	intal3 = intal_create(str3);//0

	str4 = intal2str(intal1);
	printf("First intal: %s\n", str4); //4999
	free(str4);
	str4 = intal2str(intal2);
	printf("Second intal: %s\n", str4); //2001
	free(str4);
	str4 = intal2str(intal3);
	printf("Third intal: %s\n", intal2str(intal3)); //0
	free(str4);

	intal1 = intal_increment(intal1); //5000
	intal2 = intal_decrement(intal2); //2000
	intal3 = intal_decrement(intal3); //0

	printf("Intals after increment and decrement:\n");
	str4 = intal2str(intal1);
	printf("%s\n", str4); //5000
	free(str4);
	str4 = intal2str(intal2);
	printf("%s\n", str4); //2000
	free(str4);
	str4 = intal2str(intal3);
	printf("%s\n", str4); //0
	free(str4);

	printf("Max of two intals: %s\n", //5000
		(intal_compare(intal1, intal2) > 0) ? intal2str(intal1) : intal2str(intal2));

	sum = intal_add(intal1, intal2); //7000
	printf("Sum: %s\n", intal2str(sum));

	diff = intal_diff(intal1, intal2); //3000
	printf("Diff: %s\n", intal2str(diff));

	product = intal_multiply(intal1, intal2); //10000000
	printf("Product: %s\n", intal2str(product));

	quotient = intal_divide(intal1, intal2); //2
	printf("Quotient: %s\n", intal2str(quotient));

	exp = intal_pow(intal1, quotient); //5000^2 = 25000000
	printf("%s ^ %s: %s\n", intal2str(intal1), intal2str(quotient), intal2str(exp));

	quotient2 = intal_divide(intal1, intal3); // divide-by-zero, so NaN
	if(!quotient2) printf("Divide-by-zero\n");

	//Make sure you destroy all the intals created.
	intal_destroy(sum);
	intal_destroy(diff);
	intal_destroy(product);
	intal_destroy(quotient);
	intal_destroy(quotient2);
	intal_destroy(exp);
	intal_destroy(intal1);	
	intal_destroy(intal2);
	return 0;
}