<?xml version="1.0" encoding="gbk"?>
<rss version="2.0">
<channel>
 <title><![CDATA[一个关于浮点数除法的疑问]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079.html]]></link>
 <description><![CDATA[Latest 50 replies of 一个关于浮点数除法的疑问]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Tue, 12 May 2026 00:13:41 +0000]]></lastBuildDate>
  <image>
 <url><![CDATA[images/rss.gif]]></url>
 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
  </image>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[IEEE 754 浮点数的尾数部分是23位，也就是23位的二进制是真正实现数值的精度的，指数可以近似理解为确定小数点位数(这么说便于理解)。1/128=0.0078125,也就在这附近了，精度不够了，所以浮点数不需要纠结最后面的小数，只要小数点前位数多，小数点后就会出现，甚至太多的话个位、十位、百位都有可能北省去]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079#2303580.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Aug 2022 03:54:54 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[浮点数近似值]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079#2303459.html]]></link>
 <author><![CDATA[rongbing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Aug 2022 00:18:06 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21] 学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079#2303453.html]]></link>
 <author><![CDATA[明月照我心]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 25 Aug 2022 00:09:12 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[中间需要转化一下。详见以下视频。更正K100应为E100。
[url]https://www.bilibili.com/video/BV1vg411r7dj?spm_id_from=333.999.0.0&amp;vd_source=fe01af24b36f4ec9d5907739c0079391[/url]
之前也看到过这个问题。网上搜索了一下。里面的内容需要批判继承
 [attachment=271425]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079#2303445.html]]></link>
 <author><![CDATA[libin520]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Aug 2022 16:31:51 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[你继续换其他数值,你会发现还有其他的数也会有误差~

这就是传说中,二进制不能用于表达任意值,通过浮点数格式,在有限范围内尽可能精确的逼近目标值~]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079#2303335.html]]></link>
 <author><![CDATA[gxtmdb82164]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Aug 2022 07:16:55 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有什么问题吗？浮点数本来就是近似数]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079#2303310.html]]></link>
 <author><![CDATA[zlcp123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Aug 2022 05:31:03 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有没可能F83其实是82.99992]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079#2303270.html]]></link>
 <author><![CDATA[菜鸟入行]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Aug 2022 03:15:50 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[帮看看分析一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079#2303266.html]]></link>
 <author><![CDATA[科技改变未来]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Aug 2022 02:52:34 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[第二个图打不开 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1741079#2303264.html]]></link>
 <author><![CDATA[pretco123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 24 Aug 2022 02:50:15 +0000]]></pubdate>
</item>
</channel></rss>