Esempio n. 1
0
        private void DoSingleEvaluationWithPresidence(char ops)
        {
            int    position = operationList.IndexOf(ops);
            double num1     = numberList[position];
            double num2     = numberList[position + 1];
            double result   = CalculatorUtility.Evaluate('/', num1, num2);

            //remove numbers in position
            numberList.RemoveAt(position);
            operationList.RemoveAt(position);
            //put results back in

            numberList[position] = result;
        }
Esempio n. 2
0
        private double DoEvaluation()
        {
            if (numberList.Count >= 2)
            {
                //the idea is to evaluate 2 numbers at a time
                double num1    = numberList[0];
                double num2    = numberList[1];
                char   ops     = operationList[0];
                double results = CalculatorUtility.Evaluate(ops, num1, num2);

                //1st 2 numbers are evaluate.
                //now we remove the first item
                operationList.RemoveAt(0);
                numberList.RemoveAt(0);

                //now we put result into the first location
                numberList[0] = results;

                //And then we repeat again
            }

            if (numberList.Count == 0)
            {
                return(0);
            }
            if (numberList.Count == 1)
            {
                return(numberList[0]);
            }
            else
            {
                // we do a nested loop, to evaluate the next pair of numbers
                //return DoEvaluation();

                return(DoEvaluation());
            }
        }