code: def _raveled_index_for_transformed(self, param):
          
          ravi = self._raveled_index_for(param)
          if self._has_fixes():
              fixes = self._fixes_
              ### Transformed indices, handling the offsets of previous fixes
              transformed = (np.r_[:self.size] - (~fixes).cumsum())
              return transformed[ravi[fixes[ravi]]]
          else:
              return ravi
docs: get the raveled index for a param for the transformed parameter array
          (optimizer array).
  
          that is an int array, containing the indexes for the flattened
          param inside this parameterized logic.
  
          !Warning! be sure to call this method on the highest parent of a hierarchy,
          as it uses the fixes to do its work. If you do not know
          what you are doing, do not use this method, it will have
          unexpected returns!