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最好的方法:根据编译器自动确定PI的值.pi=asin(1)*2

Posted by tq at 2005-08-11 11:38:22 on Problem 2546
In Reply To:10位有时也不保险 Posted by:sunmoonstar_love at 2005-08-10 23:04:42

Followed by:

同样不安全。。。 (0) sunmoonstar_love 2005-08-11 11:40:07
- sunmoonstar_love 还有什么好方法吗？ (0) radish 2005-08-11 23:52:12
  - 直接打一个进去就好了嘛，20个小数怎么都够了 (0) frkstyc 2005-08-11 23:59:50
    - 你相信吗?有时候精度太高也会错.真的还是要用我说的那个方法. (0) tq 2005-08-12 00:02:29
      - 这个跟你没法说清楚，总之我那么样做就没错过 (0) frkstyc 2005-08-12 00:04:06
      - Re:你相信吗?有时候精度太高也会错.真的还是要用我说的那个方法. (48) 00liuqing 2007-04-21 14:49:50

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