/*
 * Simple test driver for MPI library
 *
 * Test 2: Basic addition and subtraction test
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>

#include "mpi.h"

int
main(int argc, char *argv[])
{
    mp_int a, b, c;

    if (argc < 3) {
        fprintf(stderr, "Usage: %s <a> <b>\n", argv[0]);
        return 1;
    }

    printf("Test 2: Basic addition and subtraction\n\n");

    mp_init(&a);
    mp_init(&b);

    mp_read_radix(&a, argv[1], 10);
    mp_read_radix(&b, argv[2], 10);
    printf("a = ");
    mp_print(&a, stdout);
    fputc('\n', stdout);
    printf("b = ");
    mp_print(&b, stdout);
    fputc('\n', stdout);

    mp_init(&c);
    printf("c = a + b\n");

    mp_add(&a, &b, &c);
    printf("c = ");
    mp_print(&c, stdout);
    fputc('\n', stdout);

    printf("c = a - b\n");

    mp_sub(&a, &b, &c);
    printf("c = ");
    mp_print(&c, stdout);
    fputc('\n', stdout);

    mp_clear(&c);
    mp_clear(&b);
    mp_clear(&a);

    return 0;
}