/// <summary>
/// Computes the average of a flow of numbers.
/// </summary>
/// <param name="flow">Input CloudFlow.</param>
/// <returns>A cloud computation that computes the average of suplied workflow.</returns>
public static Cloud <double> Average(this CloudFlow <long> flow)
{
return(flow.Select(i => (double)i).Average());
}
/// <summary>Returns the sum of the elements.</summary>
/// <param name="flow">The input CloudFlow.</param>
/// <returns>The sum of the elements.</returns>
public static Cloud <decimal> Sum(this CloudFlow <decimal?> flow)
{
return(flow.Select(value => value.GetValueOrDefault(0)).Sum());
}
