text: public override ValueEval Evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg1, ValueEval arg2){ValueEval veText1;try{veText1 = OperandResolver.GetSingleValue(arg1, srcRowIndex, srcColumnIndex);}catch (EvaluationException e){return e.GetErrorEval();}String strText1 = OperandResolver.CoerceValueToString(veText1);Double number1 = OperandResolver.ParseDouble(strText1);if (double.IsNaN(number1)){return ErrorEval.VALUE_INVALID;}ValueEval veText2;try{veText2 = OperandResolver.GetSingleValue(arg2, srcRowIndex, srcColumnIndex);}catch (EvaluationException e){return e.GetErrorEval();}String strText2 = OperandResolver.CoerceValueToString(veText2);Double number2 = OperandResolver.ParseDouble(strText2);if (double.IsNaN(number2)){return ErrorEval.VALUE_INVALID;}int result = NumberComparer.Compare(number1, number2);return result == 0 ? ONE : ZERO;}