text: public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0,ValueEval arg1) {double result;try {double d0 = NumericFunction.singleOperandEvaluate(arg0, srcRowIndex, srcColumnIndex);double d1 = NumericFunction.singleOperandEvaluate(arg1, srcRowIndex, srcColumnIndex);double logE = Math.log(d0);if (Double.compare(d1, Math.E) == 0) {result = logE;} else {result = logE / Math.log(d1);}NumericFunction.checkValue(result);} catch (EvaluationException e) {return e.getErrorEval();}return new NumberEval(result);}