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/*
* Copyright (c) 2008, 2020, Oracle and/or its affiliates. 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.
*/
/*
* @test
* @key randomness
*
* @summary converted from VM Testbase jit/misctests/Pi.
* VM Testbase keywords: [jit, quick]
*
* @library /vmTestbase
* /test/lib
* @run main/othervm jit.misctests.Pi.Pi
*/
package jit.misctests.Pi;
import java.util.Random;
import nsk.share.TestFailure;
import jdk.test.lib.Utils;
public class Pi{
static double pi;
static int imKreis=0, imQuadrat=0, i=0;
public static void main(String args[]) {
for(int i=0;i<=100;i++) {
wurf(10000);
pi=4.0*imKreis/imQuadrat;
ausgabe();
}
System.out.print("\n");
}
static void wurf(int wieOft) {
double x,y;
Random zufall;
zufall = Utils.getRandomInstance();
for(int i=0;i<=wieOft;i++) {
x=zufall.nextDouble();
y=zufall.nextDouble();
imQuadrat++;
if(x*x+y*y<1)imKreis++;
}
}
static void ausgabe() {
System.out.print(pi);
if ((++i % 4) == 0){
System.out.print("\n");
} else {
System.out.print(" ");
}
}
}
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