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当A和B是同一个点的时候输出什么？0？M到A、B的球面距离？

Posted by frkstyc at 2005-04-24 20:38:36 on Problem 2412
In Reply To:这个有什么trap么？不是用矢量代数很快就出来吗？郁闷…… Posted by:frkstyc at 2005-04-24 20:07:16

Followed by:

是0 (0) frkstyc 2005-04-24 20:49:30
- Re:是0 (26) scusophomore 2005-04-24 22:52:37
  - Re:是0 (371) frkstyc 2005-04-24 22:56:03
    - Re:是0 (446) scusophomore 2005-04-24 23:13:00
      - Re:是0 (129) frkstyc 2005-04-24 23:17:29
        Re:是0 (94) scusophomore 2005-04-24 23:29:44
        呵呵，终于过了 (38) frkstyc 2005-04-25 14:17:44
        Re:呵呵，终于过了 (51) scusophomore 2005-04-25 14:20:11
        其实我十分不理解用float的动机，精度不足是一方面，它比double还快不了（这个是fpu的pc决定的） (57) frkstyc 2005-04-25 14:23:07
        Re:其实我十分不理解用float的动机，精度不足是一方面，它比double还快不了（这个是fpu的pc决定的） (32) scusophomore 2005-04-25 14:25:53

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