public static void Sort <T>(T[] a, int lo, int hi, Comparison <T> compare)
{
if (lo >= hi)
{
return;
}
if (hi - lo < 7)
{
InsertionSort.Sort(a, lo, hi, compare);
return;
}
int i = lo, lt = lo, gt = hi;
var v = a[lo];
while (i <= gt)
{
if (SortUtil.IsLessThan(a[i], v, compare))
{
SortUtil.Exchange(a, i++, lt++);
}
else if (SortUtil.IsLessThan(v, a[i], compare))
{
SortUtil.Exchange(a, i, gt--);
}
else
{
i++;
}
}
Sort(a, lo, lt - 1, compare);
Sort(a, gt + 1, hi, compare);
}
public static void Sort(int[] data, int maxValue)
{
List <int>[] buckets = new List <int> [10];
for (int i = 0; i < buckets.Length; i++)
{
buckets[i] = new List <int>();
}
foreach (int n in data)
{
buckets[10 * n / maxValue].Add(n);
}
int count = 0;
for (int i = 0; i < buckets.Length; i++)
{
int[] array = buckets[i].ToArray();
InsertionSort.Sort(array);
Array.Copy(array, 0, data, count, array.Length);
count += array.Length;
}
}