Math.pow Test

From nobody@FreeBSD.org Mon Sep 9 07:30:59 2002 Return-Path: Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B178F37B400 for ; Mon, 9 Sep 2002 07:30:59 -0700 (PDT) Received: from www.freebsd.org (www.FreeBSD.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 54F6143E86 for ; Mon, 9 Sep 2002 07:30:59 -0700 (PDT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.12.4/8.12.4) with ESMTP id g89EUwOT085471 for ; Mon, 9 Sep 2002 07:30:58 -0700 (PDT) (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.12.4/8.12.4/Submit) id g89EUwBA085470; Mon, 9 Sep 2002 07:30:58 -0700 (PDT) Message-Id: <200209091430.g89EUwBA085470@www.freebsd.org> Date: Mon, 9 Sep 2002 07:30:58 -0700 (PDT) From: Vassili Kokits To: freebsd-gnats-submit@FreeBSD.org Subject: jdk: Math.pow function from appletviewer X-Send-Pr-Version: www-1.0 >Number: 42595 >Category: java >Synopsis: java/jdk13: Math.pow function from appletviewer >Confidential: no >Severity: non-critical >Priority: low >Responsible: glewis >State: closed >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Sep 09 07:40:01 PDT 2002 >Closed-Date: Mon May 05 23:02:55 PDT 2003 >Last-Modified: Mon May 05 23:02:55 PDT 2003 >Originator: Vassili Kokits >Release: FreeBSD 4.6-STABLE #0: Thu Aug 1 14:19:38 CEST 2002 >Organization: Fernuni Hagen >Environment: FreeBSD host 4.6-STABLE FreeBSD 4.6-STABLE #0: Thu Aug 1 14:19:38 CEST 2002 root@host:/usr/obj/usr/src/sys/KERNEL46 i386 >Description: File pow.java: public class pow extends java.applet.Applet { public void init() { body(); } public static void main(String[] arg) { body(); } public static void body() { for (int a = -6; a < 6; a += 2) for (int b = -6; b <= 8; b += 2) { double fun = Math.pow((double)a, (double)b); System.out.println("a = " + (double)a + " , b = " + (double)b + " , Math.pow(a, b) = " + fun); } }} File pow.html Math.pow Test

I have jdk-1.3.1p7 Java Development Kit 1.3 compiling of the pow.java: /usr/local/jdk1.3.1/bin/javac pow.java -> OK 1. start with java: /usr/local/jdk1.3.1/bin/java pow a = -6.0 , b = -6.0 , Math.pow(a, b) = 2.143347050754458E-5 a = -6.0 , b = -4.0 , Math.pow(a, b) = 7.716049382716049E-4 a = -6.0 , b = -2.0 , Math.pow(a, b) = 0.027777777777777776 a = -6.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = -6.0 , b = 2.0 , Math.pow(a, b) = 36.0 a = -6.0 , b = 4.0 , Math.pow(a, b) = 1296.0 a = -6.0 , b = 6.0 , Math.pow(a, b) = 46656.0 a = -6.0 , b = 8.0 , Math.pow(a, b) = 1679616.0 a = -4.0 , b = -6.0 , Math.pow(a, b) = 2.44140625E-4 a = -4.0 , b = -4.0 , Math.pow(a, b) = 0.00390625 a = -4.0 , b = -2.0 , Math.pow(a, b) = 0.0625 a = -4.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = -4.0 , b = 2.0 , Math.pow(a, b) = 16.0 a = -4.0 , b = 4.0 , Math.pow(a, b) = 256.0 a = -4.0 , b = 6.0 , Math.pow(a, b) = 4096.0 a = -4.0 , b = 8.0 , Math.pow(a, b) = 65536.0 a = -2.0 , b = -6.0 , Math.pow(a, b) = 0.015625 a = -2.0 , b = -4.0 , Math.pow(a, b) = 0.0625 a = -2.0 , b = -2.0 , Math.pow(a, b) = 0.25 a = -2.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = -2.0 , b = 2.0 , Math.pow(a, b) = 4.0 a = -2.0 , b = 4.0 , Math.pow(a, b) = 16.0 a = -2.0 , b = 6.0 , Math.pow(a, b) = 64.0 a = -2.0 , b = 8.0 , Math.pow(a, b) = 256.0 a = 0.0 , b = -6.0 , Math.pow(a, b) = Infinity a = 0.0 , b = -4.0 , Math.pow(a, b) = Infinity a = 0.0 , b = -2.0 , Math.pow(a, b) = Infinity a = 0.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = 0.0 , b = 2.0 , Math.pow(a, b) = 0.0 a = 0.0 , b = 4.0 , Math.pow(a, b) = 0.0 a = 0.0 , b = 6.0 , Math.pow(a, b) = 0.0 a = 0.0 , b = 8.0 , Math.pow(a, b) = 0.0 a = 2.0 , b = -6.0 , Math.pow(a, b) = 0.015625 a = 2.0 , b = -4.0 , Math.pow(a, b) = 0.0625 a = 2.0 , b = -2.0 , Math.pow(a, b) = 0.25 a = 2.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = 2.0 , b = 2.0 , Math.pow(a, b) = 4.0 a = 2.0 , b = 4.0 , Math.pow(a, b) = 16.0 a = 2.0 , b = 6.0 , Math.pow(a, b) = 64.0 a = 2.0 , b = 8.0 , Math.pow(a, b) = 256.0 a = 4.0 , b = -6.0 , Math.pow(a, b) = 2.44140625E-4 a = 4.0 , b = -4.0 , Math.pow(a, b) = 0.00390625 a = 4.0 , b = -2.0 , Math.pow(a, b) = 0.0625 a = 4.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = 4.0 , b = 2.0 , Math.pow(a, b) = 16.0 a = 4.0 , b = 4.0 , Math.pow(a, b) = 256.0 a = 4.0 , b = 6.0 , Math.pow(a, b) = 4096.0 a = 4.0 , b = 8.0 , Math.pow(a, b) = 65536.0 OK! 2. start with appletviewer /usr/local/jdk1.3.1/bin/appletviewer pow.html a = -6.0 , b = -6.0 , Math.pow(a, b) = 2.143347050754458E-5 a = -6.0 , b = -4.0 , Math.pow(a, b) = 7.716049382716049E-4 a = -6.0 , b = -2.0 , Math.pow(a, b) = 0.027777777777777776 a = -6.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = -6.0 , b = 2.0 , Math.pow(a, b) = 36.0 a = -6.0 , b = 4.0 , Math.pow(a, b) = 1296.0 a = -6.0 , b = 6.0 , Math.pow(a, b) = 46656.0 a = -6.0 , b = 8.0 , Math.pow(a, b) = 1679616.0 a = -4.0 , b = -6.0 , Math.pow(a, b) = 2.44140625E-4 a = -4.0 , b = -4.0 , Math.pow(a, b) = 0.00390625 a = -4.0 , b = -2.0 , Math.pow(a, b) = 0.0625 a = -4.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = -4.0 , b = 2.0 , Math.pow(a, b) = 16.0 a = -4.0 , b = 4.0 , Math.pow(a, b) = 256.0 a = -4.0 , b = 6.0 , Math.pow(a, b) = 4096.0 a = -4.0 , b = 8.0 , Math.pow(a, b) = 65536.0 a = -2.0 , b = -6.0 , Math.pow(a, b) = 0.015625 a = -2.0 , b = -4.0 , Math.pow(a, b) = 0.0625 a = -2.0 , b = -2.0 , Math.pow(a, b) = 0.25 a = -2.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = -2.0 , b = 2.0 , Math.pow(a, b) = 4.0 a = -2.0 , b = 4.0 , Math.pow(a, b) = 16.0 a = -2.0 , b = 6.0 , Math.pow(a, b) = 64.0 a = -2.0 , b = 8.0 , Math.pow(a, b) = 256.0 a = 0.0 , b = -6.0 , Math.pow(a, b) = Infinity a = 0.0 , b = -4.0 , Math.pow(a, b) = Infinity a = 0.0 , b = -2.0 , Math.pow(a, b) = Infinity a = 0.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = 0.0 , b = 2.0 , Math.pow(a, b) = 0.0 a = 0.0 , b = 4.0 , Math.pow(a, b) = 0.0 a = 0.0 , b = 6.0 , Math.pow(a, b) = 0.0 a = 0.0 , b = 8.0 , Math.pow(a, b) = 0.0 a = 2.0 , b = -6.0 , Math.pow(a, b) = 0.0 a = 2.0 , b = -4.0 , Math.pow(a, b) = 0.0 a = 2.0 , b = -2.0 , Math.pow(a, b) = 0.0 a = 2.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = 2.0 , b = 2.0 , Math.pow(a, b) = 4.0 a = 2.0 , b = 4.0 , Math.pow(a, b) = 0.0 a = 2.0 , b = 6.0 , Math.pow(a, b) = 0.0 a = 2.0 , b = 8.0 , Math.pow(a, b) = 0.0 a = 4.0 , b = -6.0 , Math.pow(a, b) = 0.0 a = 4.0 , b = -4.0 , Math.pow(a, b) = 0.0 a = 4.0 , b = -2.0 , Math.pow(a, b) = 0.0 a = 4.0 , b = 0.0 , Math.pow(a, b) = 1.0 a = 4.0 , b = 2.0 , Math.pow(a, b) = 16.0 a = 4.0 , b = 4.0 , Math.pow(a, b) = 0.0 a = 4.0 , b = 6.0 , Math.pow(a, b) = 0.0 a = 4.0 , b = 8.0 , Math.pow(a, b) = 0.0 STOP!!!! Function Math.pow(a, b) not working under appletviewer with a > 0 && b > 0 (b != 2), but working under browser or as application. But I need appletviewer for debuggung of the applets. >How-To-Repeat: >Fix: Using of linux-sun-jdk-1.3.1 - Sun Java Development Kit 1.3 for Linux ... Any idea for jdk-1.3.1p7 (p6, p5 ...)? >Release-Note: >Audit-Trail: Responsible-Changed-From-To: freebsd-java->glewis Responsible-Changed-By: znerd Responsible-Changed-When: Fri Oct 11 16:07:19 PDT 2002 Responsible-Changed-Why: Over to MAINTAINER. http://www.freebsd.org/cgi/query-pr.cgi?pr=42595 State-Changed-From-To: open->closed State-Changed-By: glewis State-Changed-When: Mon May 5 23:01:53 PDT 2003 State-Changed-Why: Fixed by the recently committed patch for the pow() function in fdlibm (patch-e_pow.c). http://www.freebsd.org/cgi/query-pr.cgi?pr=42595 >Unformatted: