/*
* $Id$
*
* Copyright (C) 2003-2015 JNode.org
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.test.core;
import org.jnode.util.StopWatch;
/**
* @author epr
*/
public class ArithOpt {
/**
* @param args
*/
public static void main(String[] args) {
final int cnt = (args.length > 0) ? Integer.parseInt(args[0]) : 1;
final StopWatch sw = new StopWatch();
int i = run();
for (int x = 1; x < cnt; x++) {
if (run() != i) {
throw new RuntimeException("Result differs");
}
}
sw.stop();
System.out.println("Result : " + i + " took " + sw + " for " + cnt + " loops");
}
private static int run() {
int a, b, c, d, e, f, g, h, i, j, k;
i = 0;
for (int z = 0; z < 500000; z++) {
a = 17;
b = 67;
c = 53;
d = 43;
e = a + b;
e = e + e;
d = d + c;
f = 5 * a;
g = 6 * a;
f = b + 2;
h = f + g;
i = g + f * h - 2 * f;
j = 3 * h;
k = j / 2;
i = j * k - e - d + f * c;
}
return i;
}
}