Bruce Who£¬ÄãºÃ

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Carambo £¬ qutr at tjub.com.cn 
2005-5-16 
----- ÊÕµ½ÒÔÏÂÀ´ÐÅÄÚÈÝ ----- 
·¢¼þÈË: Bruce Who 
ÊÕ¼þÈË: python-chinese at lists.python.cn,python-cn-google 
ʱ  ¼ä: 2005-05-16, 10:22:46
Ö÷  Ìâ: Re: [python-chinese] -25.5 % 2.25



  1.5ºÍ-0.74¶¼ÊÇÕýÈ·µÄ½á¹û£¬ÒòΪÇóÓàÊýµÄ½á¹û²»ÊÇΨһµÄ£¬¿´ÄãÔõôȡÁË¡£

======= 2005-05-16 09:00:21 „¢ÀÚ wrote: =======

>-25.5 % 2.25ÔÚpython2.4Ͻá¹ûÊÇ1.5
>µ«¼ÆËãÆ÷Ëã³öÀ´µÄÈ´ÊÇ-0.75
>ÓÃjava¼ÆËã³öÀ´Ò²ÊÇ-0.75
>²»µÃÒªÁ죬Íû¸÷λָ½Ì£¬²»Ê¤¸Ð¼¤£¡ 
>
>_______________________________________________
>python-chinese list
>python-chinese at lists.python.cn
>http://python.cn/mailman/listinfo/python-chinese
>.

= = = = = = = = = = = = = = = = = = = =
      
Best regards,

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡Bruce Who
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2005-05-16

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结果是唯一

但 +25.5 和 -25.5 是两个数，所以结果不同。


在 Mon, 16 May 2005 10:28:11 +0800，<"Carambo"<qutr at tjub.com.cn>> 写道:

> Bruce Who，你好
>
> 为什么求余的结果不是唯一的？请指教！！！
>
> Carambo ， qutr at tjub.com.cn
> 2005-5-16
> ----- 收到以下来信内容 -----
> 发件人: Bruce Who
> 收件人: python-chinese at lists.python.cn,python-cn-google
> 时  间: 2005-05-16, 10:22:46
> 主  题: Re: [python-chinese] -25.5 % 2.25
>
>
>
>   1.5和-0.74都是正确的结果，因为求余数的结果不是唯一的，看你怎么取了。
>
> ======= 2005-05-16 09:00:21 劉磊 wrote: =======
>
>> -25.5 % 2.25在python2.4下结果是1.5
>> 但计算器算出来的却是-0.75
>> 用java计算出来也是-0.75
>> 不得要领，望各位指教，不胜感激！
>>
>> _______________________________________________
>> python-chinese list
>> python-chinese at lists.python.cn
>> http://python.cn/mailman/listinfo/python-chinese
>> .
>
> = = = = = = = = = = = = = = = = = = = =
> Best regards,
>
> 　　　　　　　　Bruce Who
> 　　　　　　　　　　2005-05-16
>
> _______________________________________________
> python-chinese list
> python-chinese at lists.python.cn
> http://python.cn/mailman/listinfo/python-chinese



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