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Article #12650Re: ���,�����ô��true?
From: �������
Date: Fri, 23 Jul 2004 03:05
Date: Fri, 23 Jul 2004 03:05
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2368 bytes
a2/b2=Double.NAGATIVE_INFINITY c2/d2=Double.POSITIVE_INFINITY �������ڲ�֪��ϵͳ��ô�������������ֵġ� �� �� arson.bbs@bbs.sjtu.edu.cn (ż�����ϵġ�) �Ĵ������ᵽ: �� : double a2 = 1.0, b2 = -0; : float c2 = 1.0f, d2 = 0.0f; : System.out.println(((a2/b2)==(c2/d2))); //why this "true"?? : float��infinity ��long��infinity һ���ô? ���Ա�ô? ���� �������෴�� : ô��true?????? -- [1m [46;36m�q�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�r[40m [0;37m [m [1m [46;36m�U [0;40;37m-[46;37m [40m�r[46;37m [1;36m�U[40m [0;37m [m [1m [46;36m�U [32m����ģ�������ģ� [0;40;37m�t[1;46;36m��[0;40;37m-[1;46;36m���s [33m��ס�ģ������� [36m�U[40m [0;37m [m [1m [46;36m�U [32m������ģ������ˣ� [0;40;37m-[46;37m [40m�r[46;37m [1;33m����ģ���ס�� [36m�U[40m [0;37m [m [1m [46;36m�U [0;40;37m�t[1;46;36m��[0;40;37m-[1;46;36m���s �U[40m [0;37m [m [1m [46;36m�t�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�T�s[40m [0;37m [m [m[1;37m�� ��Դ:���㽭��ѧ���ɰٴ�վ bbs.zju.edu.cn��[FROM: mifeng][m
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X-Google-Thread: f6cb0,6200089850d6651 X-Google-Attributes: gidf6cb0,public X-Google-Language: Chinese,GB Path: arc1-ca.pugleaf.net!g2news1.google.com!news1.google.com!news.glorb.com!news.moat.net!ctu-peer!news.nctu.edu.tw!netnews.csie.nctu.edu.tw!maily.cic.tsinghua.edu.cn!netnews.sdu.edu.cn!ZJU From: mifeng.bbs@bbs.zju.edu.cn (�������) Newsgroups: cn.bbs.comp.lang.java Subject: Re: ���,�����ô��true? Date: 23 Jul 2004 03:05:07 GMT Organization: �㽭��ѧ���ɰٴ�վ Message-ID: <4DL1Bi$ACJ@bbs.zju.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: Java/M.1090550588.A