76 lines
2.2 KiB
Java
76 lines
2.2 KiB
Java
/*
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* Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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*
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* @summary converted from VM Testbase jit/misctests/Pi.
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* VM Testbase keywords: [jit, quick]
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*
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* @library /vmTestbase
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* /test/lib
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* @run driver jdk.test.lib.FileInstaller . .
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* @build jit.misctests.Pi.Pi
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* @run driver ExecDriver --java jit.misctests.Pi.Pi
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*/
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package jit.misctests.Pi;
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import java.util.Random;
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import nsk.share.TestFailure;
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class Pi{
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static double pi;
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static int imKreis=0, imQuadrat=0, i=0;
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public static void main(String args[]) {
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for(int i=0;i<=100;i++) {
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wurf(10000);
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pi=4.0*imKreis/imQuadrat;
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ausgabe();
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}
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System.out.print("\n");
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}
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static void wurf(int wieOft) {
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double x,y;
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Random zufall;
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zufall=new Random();
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for(int i=0;i<=wieOft;i++) {
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x=zufall.nextDouble();
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y=zufall.nextDouble();
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imQuadrat++;
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if(x*x+y*y<1)imKreis++;
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}
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}
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static void ausgabe() {
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System.out.print(pi);
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if ((++i % 4) == 0){
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System.out.print("\n");
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} else {
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System.out.print(" ");
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}
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}
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}
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