public void RadixSort_Stress_Test()
{
int[] randomNumbers;
int nodeCount = 1000 * 1000;
var rnd = new Random();
randomNumbers = Enumerable.Range(1, nodeCount)
.OrderBy(x => rnd.Next())
.ToArray();
var timer = new Stopwatch();
timer.Start();
var result = RadixSort.Sort(randomNumbers);
timer.Stop();
Debug.WriteLine($"sorted {nodeCount} integers using radix sort in {timer.ElapsedMilliseconds} milliseconds.");
for (int i = 1; i <= nodeCount; i++)
{
Assert.AreEqual(i, result[i - 1]);
}
}
SortingResult PerformRadixSort(float[] input)
{
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
if (sort == null)
{
sort = new RadixSort();
sort.SetupBuffers(input.Length, radixSortShader);
}
sort.Sort(input);
sort.GetData(input);
stopWatch.Stop();
bool isSorted = RadixDemoUtilities.SortingCheck(input);
return(new SortingResult()
{
sortingName = "Radix Sort",
averageTimeTaken = stopWatch.ElapsedMilliseconds,
isCorrectlySorted = isSorted,
message = isSorted ? "" : "Wrongly sorted at: " + input.Length
});
}
public void SortingTest()
{
Action <int[]>[] actions = new Action <int[]>[]
{
BubbleSort.Sort,
data => BucketSort.Sort(data, SortingTests.MaxValue),
data => CountingSort.Sort(data, SortingTests.MaxValue),
HeapSort.Sort,
InsertionSort.Sort,
MergeSort.Sort,
QuickSort.Sort,
data => RadixSort.Sort(data, SortingTests.MaxValue),
};
for (int i = 0; i < 10; i++)
{
for (int j = 0; j < 100; j++)
{
int[] data = ArrayUtilities.CreateRandomArray(j, 0, SortingTests.MaxValue);
int[][] results = new int[actions.Length][];
for (int k = 0; k < actions.Length; k++)
{
results[k] = new int[data.Length];
Array.Copy(data, results[k], data.Length);
actions[k](results[k]);
Assert.IsTrue(ArrayUtilities.AreEqual(results[k], results[0]));
}
}
}
}
public void InsertionSort_Test()
{
// Arrange
var collectionInsertion = new Collection <int>();
var collectionMerge = new Collection <int>();
var collectionHeap = new Collection <int>();
var collectionRadix = new Collection <int>();
Random random = new Random();
// Act
for (int i = 0; i < 1000; i++)
{
var number = random.Next(0, 10000);
collectionInsertion.Add(number);
collectionMerge.Add(number);
collectionHeap.Add(number);
collectionRadix.Add(number);
}
InsertionSort <int> .Sort(collectionInsertion);
collectionMerge = MergeSort <int> .Sort(collectionMerge);
HeapSort <int> .Sort(collectionHeap);
RadixSort.Sort(collectionRadix);
// Assert
for (int i = 0; i < collectionInsertion.Count; i++)
{
Assert.AreEqual(collectionInsertion[i], collectionMerge[i]);
Assert.AreEqual(collectionHeap[i], collectionMerge[i]);
Assert.AreEqual(collectionRadix[i], collectionHeap[i]);
}
}
public void RadixSortLargeRandomArrayTest()
{
int[] arr =
{
8586, 4916, 5843, 4589, 4331, 9177, -6992, 8780, 8948, -4101, -8390, 8900, 3165, -5036, 5136, -420,
3868, 9700, 3924, -3041, -4483, -8856, -3565, -4697, 1812, 2103, -8455, 8361, -2569, 8488, 6245, 6304,
-8980, -3969, -422, 1273, -6731, -2400, 4409, -9780, -2776, -533, 7970, 9449, 1908, -5483, -8328, 4147,
4112, -4641, 1730, -9490, 7088, -5676, -5217, 7442, -1519, 540, -7224, -7772, 7631, -5354, 1349, -9540,
-347, -4694, 7880, -2866, 5385, -6138, -3690, -3733, -4710, 3704, 9734, 6050, -6827, -3015, 3394, -2706,
430, -2602, -5751, -7929, -3243, 5735, 9215, 6695, -8753, 2135, -7208, 2729, -5177, 2181, -7412, -7423,
8118, 7510, -205, -3399
};
int[] expected =
{
-9780, -9540, -9490, -8980, -8856, -8753, -8455, -8390, -8328, -7929, -7772, -7423, -7412, -7224, -7208,
-6992, -6827, -6731, -6138, -5751, -5676, -5483, -5354, -5217, -5177, -5036, -4710, -4697, -4694, -4641,
-4483, -4101, -3969, -3733, -3690, -3565, -3399, -3243, -3041, -3015, -2866, -2776, -2706, -2602, -2569,
-2400, -1519, -533, -422, -420, -347, -205, 430, 540, 1273, 1349, 1730, 1812, 1908, 2103, 2135, 2181,
2729, 3165, 3394, 3704, 3868, 3924, 4112, 4147, 4331, 4409, 4589, 4916, 5136, 5385, 5735, 5843, 6050,
6245, 6304, 6695, 7088, 7442, 7510, 7631, 7880, 7970, 8118, 8361, 8488, 8586, 8780, 8900, 8948, 9177,
9215, 9449, 9700, 9734
};
var sort = new RadixSort();
var result = sort.Sort(arr);
Assert.AreEqual(expected, result);
}
public static void Main()
{
var input = Console.ReadLine().Split().Select(int.Parse).ToArray();
RadixSort.Sort(input);
Console.WriteLine(string.Join(" ", input));
}
private static void RadixSortTest()
{
var unsortedList = _testRunner.InitArray();
var radixSort = new RadixSort();
var sortedList = radixSort.Sort(unsortedList);
Debug.Assert(_testRunner.Verify(sortedList));
}
static void Main(string[] args)
{
int[] arr = new int[] { 5, 2, 3, 8, 1, 2, 15, 23, 55, 66, 22, 15, 45 };
arr.Write();
RadixSort.Sort(arr);
arr.Write();
Console.ReadLine();
}
public void Sort()
{
int[] arr = new int[] { 170, 45, 75, 90, 802, 24, 2, 66 };
int[] resultArr = new int[] { 2, 24, 45, 66, 75, 90, 170, 802 };
RadixSort radixSort = new RadixSort();
radixSort.Sort(arr);
Assert.Equal(resultArr, arr);
}
public void RadixSort_Smoke_Test()
{
var result = RadixSort.Sort(TestArray);
for (int i = 0; i < TestArray.Length; i++)
{
Assert.AreEqual(i, result[i]);
}
}
public void RadixSort_Descending_Smoke_Test()
{
var result = RadixSort.Sort(testArray, SortDirection.Descending);
for (int i = 0; i < testArray.Length; i++)
{
Assert.AreEqual(testArray.Length - i - 1, result[i]);
}
}
private void RadixSortImplementation()
{
int len = 8;
int range = len * len;
int[] input = new int[len];
int[] output = new int[len];
Console.WriteLine("Radix Sort: ");
RadixSort s = new RadixSort();
input = Utility.GetInputData(len, range);
Utility.PrintAll("Input: ", input);
output = s.Sort(input, range, SortOrderType.Asc);
Utility.PrintAll("Output: ", input);
output = s.Sort(input, range, SortOrderType.Desc);
Utility.PrintAll("Output: ", input);
}
public void SortWithEmptyArray()
{
int[] arr = new int[] {};
int[] resultArr = new int[] {};
RadixSort radixSort = new RadixSort();
radixSort.Sort(arr);
Assert.Equal(resultArr, arr);
}
public void RadixSortSimpleArrayTest()
{
int[] expected = { 10, 14, 22, 1000, 1500, 2000, 2001, 2002, 2003 };
int[] arr = { 22, 1500, 2001, 2002, 1000, 2000, 2003, 10, 14 };
var sort = new RadixSort();
var result = sort.Sort(arr);
Assert.AreEqual(expected, result);
}
public void TestRadixSort()
{
var result = new int[_size];
Array.Copy(_unsorted, result, _size);
RadixSort.Sort(result, RadixSort.RadixSortType.Lsd);
for (int i = 0; i < result.Length; i++)
{
Assert.AreEqual(_sorted[i], result[i]);
}
}
public void WhenWeGiveArray_ThenItIsSorted()
{
int[] array = { 2, 4, 1, 5, 6, 8, 3, 9, 7 };
RadixSort.Sort(array);
int i = 1;
foreach (int v in array)
{
Assert.AreEqual(i, v);
i++;
}
}
public void RadixSortTest()
{
int[] result = CreateResultArray();
RadixSort sort = new RadixSort(result);
result = sort.Sort();
for (int i = 0; i < array.Length; i++)
{
Assert.AreEqual(expected[i], result[i]);
}
}
public void Test(int[] data)
{
// Arrange
int[] data2 = new int[data.Length];
Array.Copy(data, data2, data.Length);
Array.Sort(data2);
var sorter = new RadixSort();
// Act
sorter.Sort(data);
// Assert
CollectionAssert.AreEqual(data, data2);
}
public void RadixSortMSDTest()
{
// arrange
var radixSort = new RadixSort <int>(Items);
// act
radixSort.Sort(false);
// assert
for (int i = 0; i < Items.Count; i++)
{
Assert.AreEqual(Sorted[i], radixSort.Items[i]);
}
}
public void RadixSort_Ascending_Stress_Test()
{
var rnd = new Random();
var nodeCount = 1000;
var randomNumbers = Enumerable.Range(1, nodeCount)
.OrderBy(x => rnd.Next())
.ToList();
var result = RadixSort.Sort(randomNumbers.ToArray());
for (int i = 1; i <= nodeCount; i++)
{
Assert.AreEqual(i, result[i - 1]);
}
}
public void RadixSort_Descending_Stress_Test()
{
var rnd = new Random();
var nodeCount = 1000;
var randomNumbers = Enumerable.Range(1, nodeCount)
.OrderBy(x => rnd.Next())
.ToList();
var result = RadixSort.Sort(randomNumbers.ToArray(), SortDirection.Descending);
for (int i = 0; i < nodeCount; i++)
{
Assert.AreEqual(randomNumbers.Count - i, result[i]);
}
}
public static void RadixSortTest()
{
int[] array = { 64, 8, 216, 512, 27, 729, 0, 1, 343, 125 };
int[] array2 = { 278, 109, 63, 930, 589, 184, 505, 269, 8, 83 };
int[] array3 = array.Union(array2).ToArray();
int[] result = null;
int m = 3;
RadixSort sort = new RadixSort();
result = sort.Sort(array3, m);
foreach (int num in result)
{
System.Console.Write(num + " ");
}
}
public void TestSortingShortsGeneric()
{
var shorts = new List <short> {
3, 5, 1, 8, 2
};
var radixSort = new RadixSort <short>(new Calculator <short>());
shorts = radixSort.Sort(shorts);
var expected = new List <short> {
1, 2, 3, 5, 8
};
Assert.AreEqual(expected.Count, shorts.Count);
CollectionAssert.AreEqual(expected, shorts);
}
public void TestSortingBytesGeneric()
{
var bytes = new List <byte> {
3, 5, 1, 8, 2
};
var radixSort = new RadixSort <byte>(new Calculator <byte>());
bytes = radixSort.Sort(bytes);
var expected = new List <byte> {
1, 2, 3, 5, 8
};
Assert.AreEqual(expected.Count, bytes.Count);
CollectionAssert.AreEqual(expected, bytes);
}
public void TestSortingULongsGeneric()
{
var ulongs = new List <ulong> {
3, 5, 1, 8, 2
};
var radixSort = new RadixSort <ulong>(new Calculator <ulong>());
ulongs = radixSort.Sort(ulongs);
var expected = new List <ulong> {
1, 2, 3, 5, 8
};
Assert.AreEqual(expected.Count, ulongs.Count);
CollectionAssert.AreEqual(expected, ulongs);
}
public void TestSortingCharsGeneric()
{
// TODO: Not yet implemented behaviour for non-integral type sorting
var chars = new List <char> {
'h', 'q', 'a', 'y', 'n'
};
var radixSort = new RadixSort <char>(new Calculator <char>());
chars = radixSort.Sort(chars);
var expected = new List <char> {
'a', 'h', 'n', 'q', 'y'
};
Assert.AreEqual(expected.Count, chars.Count);
CollectionAssert.AreEqual(expected, chars);
}
public void TestSortingDecimalsGeneric()
{
// TODO: Not yet implemented behaviour for non-integral type sorting
var decimals = new List <decimal> {
3, 5, 1, 8, 2
};
var radixSort = new RadixSort <decimal>(new Calculator <decimal>());
decimals = radixSort.Sort(decimals);
var expected = new List <decimal> {
1, 2, 3, 5, 8
};
Assert.AreEqual(expected.Count, decimals.Count);
CollectionAssert.AreEqual(expected, decimals);
}
public void TestSortingFloatsGeneric()
{
// TODO: Not yet implemented behaviour for non-integral type sorting
var floats = new List <float> {
3, 5, 1, 8, 2
};
var radixSort = new RadixSort <float>(new Calculator <float>());
floats = radixSort.Sort(floats);
var expected = new List <float> {
1, 2, 3, 5, 8
};
Assert.AreEqual(expected.Count, floats.Count);
CollectionAssert.AreEqual(expected, floats);
}
public void TestSortingIntsNonGeneric()
{
var ints = new List <int> {
3, 5, 1, 8, 2
};
ints = RadixSort.Sort(ints);
var expected = new List <int> {
1, 2, 3, 5, 8
};
Assert.AreEqual(expected.Count, ints.Count);
for (int i = 0; i < ints.Count; i++)
{
Assert.AreEqual(expected[i], ints[i]);
}
}
public void RadixSort_Test()
{
// Arrange
var collection = new Collection <int>();
Random random = new Random();
// Act
for (int i = 0; i < 1000; i++)
{
collection.Add(random.Next(0, 10000));
}
RadixSort.Sort(collection);
// Assert
int prevElement = -10001;
foreach (var element in collection)
{
Assert.IsTrue(element >= prevElement);
prevElement = element;
}
}
