/// <summary>
 /// Returns the position of the current <see cref="Int16" /> within the specified range, expressed as a percentage where zero
 /// is equal to the lower boundary and one is equal to the upper boundary.
 /// </summary>
 /// <param name="target">
 /// The current <see cref="Int16" />.
 /// </param>
 /// <param name="lowerBoundary">
 /// The inclusive lower boundary of the range to evaluate.
 /// </param>
 /// <param name="upperBoundary">
 /// The inclusive upper boundary of the range to evaluate.
 /// </param>
 /// <returns>
 /// The position of the current <see cref="Int16" /> within the specified range.
 /// </returns>
 /// <exception cref="ArgumentOutOfRangeException">
 /// The current value is less than <paramref name="lowerBoundary" /> -or- the current value is greater than
 /// <paramref name="upperBoundary" /> -or- <paramref name="lowerBoundary" /> is greater than
 /// <paramref name="upperBoundary" /> -or- <paramref name="upperBoundary" /> is equal to <paramref name="lowerBoundary" />.
 /// </exception>
 public static Double PositionInRange(this Int16 target, Int16 lowerBoundary, Int16 upperBoundary)
 {
     target        = target.RejectIf().IsLessThan(lowerBoundary, nameof(lowerBoundary)).OrIf().IsGreaterThan(upperBoundary, nameof(upperBoundary));
     lowerBoundary = lowerBoundary.RejectIf().IsGreaterThan(upperBoundary, nameof(lowerBoundary));
     upperBoundary = upperBoundary.RejectIf().IsEqualToValue(lowerBoundary, nameof(upperBoundary));
     return(Convert.ToDouble(target - lowerBoundary) / Convert.ToDouble(upperBoundary - lowerBoundary));
 }