log function
Log calculates the natural logarithm of every array element.
For further details, please see: https://docs.opencv.org/master/d2/de8/group__core__array.html#ga937ecdce4679a77168730830a955bea7
Implementation
Mat log(InputArray src, {OutputArray? dst}) {
dst ??= Mat.empty();
cvRun(() => cffi.Mat_Log(src.ref, dst!.ref));
return dst;
}