public void registerInput(String varName,MLMatrix df) throws DMLRuntimeException {
  registerInput(varName,MLMatrix.getRDDLazily(df),df.mc);
}

public void registerInput ( String varName , MLMatrix df ) throws DMLRuntimeException { registerInput ( varName , MLMatrix . getRDDLazily ( df ) , df . mc ) ; }
experimental api . not supported in python mlcontext api .
