text: public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg1, ValueEval arg2) {try {Double number1 = evaluateValue(arg1, srcRowIndex, srcColumnIndex);if (number1 == null) {return ErrorEval.VALUE_INVALID;}Double number2 = evaluateValue(arg2, srcRowIndex, srcColumnIndex);if (number2 == null) {return ErrorEval.VALUE_INVALID;}return (number1.compareTo(number2) == 0) ? ONE : ZERO;} catch (EvaluationException e) {return e.getErrorEval();}}