@Override
  public Double product11(Double arg1, Double arg2) {
    if (arg1 == null || arg2 == null) {
      return Double.NaN;
    } else {
      return arg1 * arg2;
    }
  }
@ Override public Double product11 ( Double arg1 , Double arg2 ) { if ( arg1 == null || arg2 == null ) { return Double . NaN ; } else { return arg1 * arg2 ; } }
/*
(non-Javadoc)

@see mtas.codec.util.DataCollector.MtasDataOperations#product11(java.lang.
Number, java.lang.Number)