logAsync 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
Future<Mat> logAsync(InputArray src) async =>
cvRunAsync((callback) => ccore.core_Log_Async(src.ref, callback), matCompleter);