Article View: cn.bbs.comp.lang.java
Article #12653Re: ���,�����ô��true?
From: 98CS~��è~�����Կ�����
Date: Fri, 23 Jul 2004 03:53
Date: Fri, 23 Jul 2004 03:53
24 lines
2019 bytes
2019 bytes
jdk 1.4.2.05 ��Ķ��壺
public static final double POSITIVE_INFINITY = (1.0D / 0.0D);
public static final double NEGATIVE_INFINITY = (-1.0D / 0.0D);
�� �� mifeng.bbs@bbs.zju.edu.cn (�������) �Ĵ������ᵽ: ��
: 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??????
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X-Google-Thread: f6cb0,9acfdaa91da25daf X-Google-Attributes: gidf6cb0,public X-Google-Language: Chinese,GB Path: arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!newsfeed.media.kyoto-u.ac.jp!news.neu.edu.cn!news2.happynet.org!NanKai From: xeon.bbs@bbs.nankai.edu.cn (98CS~��è~�����Կ�����) Newsgroups: cn.bbs.comp.lang.java Subject: Re: ���,�����ô��true? Date: 23 Jul 2004 03:53:13 GMT Organization: �Ұ��Ͽ�վ Message-ID: <4DL32f$A0I@bbs.nankai.edu.cn> X-Filename: Java/M.1090554761.A Lines: 24