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66ak arm 数学运算(如sqrt, ceil, floor等)编译不通过

最近在调试66ak的arm,自己的工程中存在大量的sqrt, ceil, floor等运算,在编译过程中报错,显示为:

undefined reference to 'sqrt'

诸如此类。

我怀疑是没有添加类似于c66x的math.h库,但是对于66ak的arm,该类型的库存在于什么地方?或者是其他的什么问题导致了编译报错?

请各位大神指教。