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atan2+-asin 划分区间，计算沿每个区间的中线的结果消灭0回复 （不知道为啥，一直以为atan2是【0，2*pi),WA得好辛苦还以为是精度问题， 不知道为啥想起来man了以下，才发现[-pi,pi]....) Followed by: Post your reply here: |
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