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Re:#define PI acos(double(-1))

Posted by 35060616 at 2010-06-12 22:27:54 on Problem 3737
In Reply To:#define PI acos(double(-1)) Posted by:lijinwu at 2010-01-19 10:55:10

> 我这么改才过的.
> PI的精度不够啊
为啥是#define 而不是const double呢。。。

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