public double CalculateAverage(List <double> values, AveragingMethod averagingMethod)
{
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
switch (averagingMethod)
{
case AveragingMethod.Mean:
return(values.Sum() / values.Count);
case AveragingMethod.Median:
var sortedValues = values.OrderBy(x => x).ToList();
int n = sortedValues.Count;
if (n % 2 == 1)
{
return(sortedValues[(n - 1) / 2]);
}
return((sortedValues[sortedValues.Count / 2 - 1] + sortedValues[n / 2]) / 2);
default:
throw new ArgumentException("Invalid averagingMethod value");
}
}
public double CalculateAverageWithEnum(List <double> values, No3.AveragingMethod method)
{
CalculatorCreator calculatorCreator = new CalculatorCreator();
if (values == null)
{
throw new ArgumentNullException($"{nameof(values)} can't be null");
}
ICalculator calculator = calculatorCreator.CalculatorCreate(method);
return(calculator.Calculate(values));
}