How to invert two arrays in mql4 ?

[RDfx]

I want to invert two arrays in EA. Can you suggest me any code ?

For example, I've array1[x][y] and array2[x][y]. I want to get all contents of array2 in array1 and contents of array1 in array2.

[Simon Gniadkowski]

Add array3,  use ArrayCopy() to copy from array2 -> array3  then array1 -> array2  finally array3 -> array1

[William Roeder]

The word is swap arrays. Inverting an array is a mathematical computation.

1. ArrayCopy (only if each array is exactly the same size)
   
2. switch the elements

   void swapArrayElements(double& array1[][], double& array2[][]){
      int nRows = ArrayRange(array1,0), nCols = ArrayRange(array1,1);
      for(int iRow = 0; iRow < nRows; iRow++)
         for(int iCol = 0; iCol < nCols; iCol++){
             double tmp         = array1[iRow][iCol];
             array1[iRow][iCol] = array2[iRow][iCol];
             array2[iRow][iCol] = tmp;
         }
   }

   ---

3. Avoid the problem. Just pass the arrays to a function:

   yourFunction(array1, array2);
   :
   yourFunction(array2, array1); // swapped