/*

 * Copyright (c) 2019, Red Hat Inc. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import jdk.test.lib.apps.LingeredApp;

public class LingeredAppWithRecComputation extends LingeredApp {

    public static final String THREAD_NAME = "LingeredAppWithRecComputation.factorial()";

    private long factorial(int n) {

        if (n <= 1) {

                return 1;

        }

        if (n == 2) {

                return 2;

        }

        return n * factorial(n - 1);

    }

    public void testLoop() {

        long result = 0;

        long[] lastNResults = new long[20];

        int i = 0;

        int j = 0;

        while (true) {

            result = factorial(i);

            lastNResults[j] = result;

            if (i % 12 == 0) {

                    i = -1; // reset i

            }

            if (j % 19 == 0) {

                    j = -1; // reset j

            }

            i++; j++;

        }

    }

    public static void main(String args[]) {

        LingeredAppWithRecComputation app = new LingeredAppWithRecComputation();

        Thread factorial = new Thread(() -> {

            app.testLoop();

        });

        factorial.setName(THREAD_NAME);

        factorial.start();

        LingeredApp.main(args);

    }

 }