Loop over matrix elements applying variable function

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In my matrix class there are too many instances of

for(size_t i = 1 ; i <= rows ; i++){
   for(size_t j = 1 ; i <= cols ;j++){
     //Do something
   }
}

Keeping in mind the DRY principle , I was wondering whether I could

matrix<T>::loopApply(T (*fn) (T)){
    for(size_t i = 1 ; i <= rows ; i++){
       for(size_t j = 1 ; i <= cols ;j++){
         _matrix[(i-1)*_rows + (j-1)] = fn(T)
       }
    }
}

So that when I want to loop over and apply something to the matrix I just have to call loopApply(fn)

Is there any way to do this ? Or is there a better approach to do this ?

Thank You.

asked 40 secs ago

nnrales

1

Loop over matrix elements applying variable function