private static int FindMinElementIndex <T>(T[] arr, int startIndex, int endIndex)
where T : IComparable <T>
{
Debug.Assert(0 <= startIndex && startIndex < arr.Length, "Starting index was out of the array boundaries.");
Debug.Assert(0 <= endIndex && endIndex < arr.Length, "End index was out of the array boundaries.");
Debug.Assert(startIndex <= endIndex, "Starting index was larger than end index");
int minElementIndex = startIndex;
for (int i = startIndex + 1; i <= endIndex; i++)
{
if (arr[i].CompareTo(arr[minElementIndex]) < 0)
{
minElementIndex = i;
}
}
Debug.Assert(AssertionUtilities.IsMinElementIn(arr[minElementIndex], arr, startIndex, endIndex), "The result of find minimal element index was not the minimal element index");
return(minElementIndex);
}
