/// <summary>
/// Shrinks the current time span by dividing its length by the specified divisor.
/// </summary>
/// <param name="divisor">Divisor to shrink the time span by.</param>
/// <returns>Time span that is the current time span shrinked by the <paramref name="divisor"/>.</returns>
public ITimeSpan Divide(double divisor)
{
ThrowIfArgument.IsNegative(nameof(divisor), divisor, "Divisor is negative.");
return(new MathTimeSpan(TimeSpan1.Divide(divisor),
TimeSpan2.Divide(divisor),
Operation,
Mode));
}