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很好~ 为什么ASin ACos之类 #1

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GITHUB243884919 opened this issue Feb 17, 2019 · 0 comments
Open

很好~ 为什么ASin ACos之类 #1

GITHUB243884919 opened this issue Feb 17, 2019 · 0 comments

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@GITHUB243884919
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hi，这是我最近看的几个FixPoint中代码最健壮，三角函数精度也是很高。但是很有个疑问，想请教。为什么ASin ACos之类的函数？这种比较常用，比如常用两个单位向量的夹角是先通过的dot求值，再取这个值得ACos求得。
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