}
// -------------------------------------------
-Float_t AliMUONMathieson::IntXY(Int_t idDE, AliMUONGeometrySegmentation* segmentation)
+Float_t AliMUONMathieson::IntXY(Int_t idDE, AliMUONGeometrySegmentation* segmentation) const
{
/// Calculate charge on current pad according to Mathieson distribution
/// using Detection elt