static void Main(string[] args)
{
var Arr = SortHelp.ArrayGenerate(3000, 1, 10000);
String[] methodList = { "select", "bubble", "insert", "shell" };
foreach (String name in methodList)
{
BenchMark <int> benchMark = new BenchMark <int>(name);
benchMark.OneBench(100, Arr);
benchMark.showData();
}
}
public static void InsertSort <T>(T[] arr) where T : IComparable
{
int num = arr.Length;
for (int i = 1; i < num; i++)
{
for (int j = i; j > 0 && SortHelp.less <T>(arr[j], arr[j - 1]); j--)
{
SortHelp.exch <T>(arr, j, j - 1);
}
}
}
public static void BubbleSort <T>(T[] arr) where T : IComparable
{
for (int i = 0; i < arr.Length; i++)
{
for (int j = 0; j < arr.Length - 1 - i; j++)
{
if (SortHelp.less <T>(arr[j + 1], arr[j]))
{
SortHelp.exch <T>(arr, j, j + 1);
}
}
}
}
public static void SelectSort <T>(T[] arr) where T : IComparable
{
int num = arr.Length;
for (int i = 0; i < num; i++)
{
int min = i;
for (int j = i + 1; j < num; j++)
{
if (SortHelp.less <T>(arr[j], arr[min]))
{
min = j;
}
}
SortHelp.exch <T>(arr, i, min);
}
}
public static void ShellSort <T>(T[] arr) where T : IComparable
{
int num = arr.Length;
int h = 1;
while (h < num / 3)
{
h = h * 3 + 1;
}
while (h >= 1)
{
for (int i = h; i < num; i++)
{
for (int j = i; j >= h && SortHelp.less <T>(arr[j], arr[j - h]); j -= h)
{
SortHelp.exch <T>(arr, j, j - h);
}
}
h = h / 3;
}
}
public void OneBench(int num, T[] oriArr)
{
T[] curArr;
Stopwatch sw = new Stopwatch();
benchInfo.totalTimes = num;
benchInfo.succedTimes = 0;
for (int i = 0; i < num; i++)
{
curArr = oriArr.Clone() as T[];
sw.Start();
sortedMethod(curArr);
sw.Stop();
if (SortHelp.isSorted(curArr))
{
benchInfo.succedTimes += 1;
}
}
TimeSpan time = sw.Elapsed;
benchInfo.averageMiliSeconds = time.TotalMilliseconds / num;
}
