擅长:python、mysql、java
<p>这是由于浮点运算的工作原理造成的表示错误。请参见Python文档中的下一页:<a href="http://docs.python.org/tutorial/floatingpoint.html" rel="nofollow">Floating Point Arithmetic: Issues and Limitations</a>。在</p>
<p>自由贸易协定:</p>
<blockquote>
<p>Note that this is in the very nature of binary floating-point: this is not a bug in Python, and it is not a bug in your code either. You’ll see the same kind of thing in all languages that support your hardware’s floating-point arithmetic (although some languages may not display the difference by default, or in all output modes).</p>
</blockquote>
<p>有关进一步阅读,请参阅以下页面:</p>
<ul>
<li><a href="http://www.lahey.com/float.htm" rel="nofollow">The Perils of Floating Point</a></li>
<li><a href="http://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html" rel="nofollow">What Every Computer Scientist Should Know About Floating-Point Arithmetic</a></li>
</ul>