public int[,] Sort(int[,] arrayToSort, out double sortingTimeMs)
{
// Init Stopwatch.
DateTime timeStart = DateTime.Now;
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int lengthA = arrayToSort.GetLength(0);
int lengthB = arrayToSort.GetLength(1);
int[] temporaryArray = Arr.ConvertTo1D(arrayToSort);
// Init Variables.
int maxElementPositionInRow = arrayToSort.GetLength(0) - 1;
int maxElementPositionInColumn = arrayToSort.GetLength(1) - 1; // with respect to 0.
int element2Swap = 0;
int temporaryArraySize = arrayToSort.GetLength(0) * arrayToSort.GetLength(1);
//int[] temporaryArray = new int[temporaryArraySize];
// copy 2d array to 1d accumiulator
int position = 0;
foreach (int element in arrayToSort)
{
temporaryArray[position++] = element;
}
//Selection Sorting of temporary array
for (int counter_i = 0; counter_i < temporaryArraySize; counter_i++)
{
int minElement = counter_i;
for (int counter_j = counter_i + 1; counter_j < temporaryArraySize; counter_j++)
{
if (temporaryArray[counter_j] < temporaryArray[minElement])
{
minElement = counter_j;
}
}
element2Swap = temporaryArray[counter_i];
temporaryArray[counter_i] = temporaryArray[minElement];
temporaryArray[minElement] = element2Swap;
}
//Retun 2d array
position = 0;
for (int i = 0; i <= maxElementPositionInRow; i++)
{
for (int j = 0; j <= maxElementPositionInColumn; j++)
{
arrayToSort[i, j] = temporaryArray[position++];
}
}
// Calculating delta.
TimeSpan timeDelta = DateTime.Now - timeStart;
// Returns Elapsed time in Milliseconds;
sortingTimeMs = timeDelta.TotalMilliseconds;
return(arrayToSort);
}