pow function
Pow raises every array element to a power.
For further details, please see: https://docs.opencv.org/master/d2/de8/group__core__array.html#gaf0d056b5bd1dc92500d6f6cf6bac41ef
Implementation
Mat pow(InputArray src, double power, {OutputArray? dst}) {
dst ??= Mat.empty();
cvRun(() => cffi.Mat_Pow(src.ref, power, dst!.ref));
return dst;
}