public static string ComputeResults(string input)
{
try
{
if (!IsInputValid(input))
{
return("ERROR");
}
double[] arguments = GetArguments(input);
string operatorSymbol = GetSingleOperatorSymbol(input);
BinaryOperator <double> binaryOperator = BinaryOperatorFactory.Create(operatorSymbol);
double operationResult = binaryOperator.Operate(arguments[0], arguments[1]);
string resultString = operationResult.ToString();
return(resultString.Substring(0, System.Math.Min(resultString.Length, 10)));
}
catch (System.Exception e)
{
string s = e.ToString();
return("EXCEPTION");
}
}