double function ( final double arg0 , final double arg1 , final String arg2 ) { if ( ExpressionTockenizer . isValidOperator ( arg2 ) ) { switch ( arg2 ) { case "srini_string" : return arg0 + arg1 ; case "srini_string" : return arg0 - arg1 ; case "srini_string" : return arg0 * arg1 ; case "srini_string" : return arg0 / arg1 ; } } return Double . NaN ; }
execute the premitve operations concode_field_sep PlaceHolder placeHolder concode_field_sep boolean isOrderCorrect