Example #1
0
void OddEvenSort(SortArray& A)
{
    bool sorted = false;

    while (!sorted)
    {
        sorted = true;

        for (size_t i = 1; i < A.size()-1; i += 2)
        {
            if(A[i] > A[i+1])
            {
                A.swap(i, i+1);
                sorted = false;
            }
        }

        for (size_t i = 0; i < A.size()-1; i += 2)
        {
            if(A[i] > A[i+1])
            {
                A.swap(i, i+1);
                sorted = false;
            }
        }
    }
}
Example #2
0
void SelectionSort(SortArray& A)
{
    volatile ssize_t jMin = 0;
    A.watch(&jMin, 3);

    for (size_t i = 0; i < A.size()-1; ++i)
    {
        jMin = i;

        for (size_t j = i+1; j < A.size(); ++j)
        {
            if (A[j] < A[jMin]) {
                A.mark_swap(j, jMin);
                jMin = j;
            }
        }

        A.swap(i, jMin);

        // mark the last good element
        if (i > 0) A.unmark(i-1);
        A.mark(i);
    }
    A.unwatch_all();
}
Example #3
0
void CombSort(SortArray& A)
{
    const double shrink = 1.3;

    bool swapped = false;
    size_t gap = A.size();

    while ((gap > 1) || swapped)
    {
        if (gap > 1) {
            gap = (size_t)((float)gap / shrink);
        }

        swapped = false;

        for (size_t i = 0; gap + i < A.size(); ++i)
        {
            if (A[i] > A[i + gap])
            {
                A.swap(i, i+gap);
                swapped = true;
            }
        }
    }
}
Example #4
0
void BubbleSort(SortArray& A)
{
    for (size_t i = 0; i < A.size()-1; ++i)
    {
        for (size_t j = 0; j < A.size()-1 - i; ++j)
        {
            if (A[j] > A[j + 1])
            {
                A.swap(j, j+1);
            }
        }
    }
}
Example #5
0
void CocktailShakerSort(SortArray& A)
{
    size_t lo = 0, hi = A.size()-1, mov = lo;

    while (lo < hi)
    {
        for (size_t i = hi; i > lo; --i)
        {
            if (A[i-1] > A[i])
            {
                A.swap(i-1, i);
                mov = i;
            }
        }

        lo = mov;

        for (size_t i = lo; i < hi; ++i)
        {
            if (A[i] > A[i+1])
            {
                A.swap(i, i+1);
                mov = i;
            }
        }

        hi = mov;
    }
}
Example #6
0
// swaps every time (keeps all values visible)
void BinaryInsertionSort(SortArray& A)
{
    for (size_t i = 1; i < A.size(); ++i)
    {
        value_type key = A[i];
        A.mark(i);

        int lo = 0, hi = i;
        while (lo < hi) {
            int mid = (lo + hi) / 2;
            if (key <= A[mid])
                hi = mid;
            else
                lo = mid + 1;
        }

        // item has to go into position lo

        ssize_t j = i - 1;
        while (j >= lo)
        {
            A.swap(j, j+1);
            j--;
        }

        A.unmark(i);
    }
}
Example #7
0
void GnomeSort(SortArray& A)
{
    for (size_t i = 1; i < A.size(); )
    {
        if (A[i] >= A[i-1])
        {
            ++i;
        }
        else
        {
            A.swap(i, i-1);
            if (i > 1) --i;
        }
    }
}
Example #8
0
// swaps every time (keeps all values visible)
void InsertionSort(SortArray& A)
{
    for (size_t i = 1; i < A.size(); ++i)
    {
        value_type key = A[i];
        A.mark(i);

        ssize_t j = i - 1;
        while (j >= 0 && A[j] > key)
        {
            A.swap(j, j+1);
            j--;
        }

        A.unmark(i);
    }
}
Example #9
0
// with extra item on stack
void InsertionSort2(SortArray& A)
{
    for (size_t i = 1; i < A.size(); ++i)
    {
        value_type tmp, key = A[i];
        A.mark(i);

        ssize_t j = i - 1;
        while (j >= 0 && (tmp = A[j]) > key)
        {
            A.set(j + 1, tmp);
            j--;
        }
        A.set(j + 1, key);

        A.unmark(i);
    }
}
Example #10
0
void ShellSort(SortArray& A)
{
    size_t incs[16] = { 1391376, 463792, 198768, 86961, 33936,
                        13776, 4592, 1968, 861, 336,
                        112, 48, 21, 7, 3, 1 };

    for (size_t k = 0; k < 16; k++)
    {
        for (size_t h = incs[k], i = h; i < A.size(); i++)
        {
            value_type v = A[i];
            size_t j = i;

            while (j >= h && A[j-h] > v)
            {
                A.set(j, A[j-h]);
                j -= h;
            }

            A.set(j, v);
        }
    }
}
Example #11
0
void QuickSortTernaryLL(SortArray& A)
{
    return QuickSortTernaryLL(A, 0, A.size());
}
Example #12
0
void QuickSortTernaryLR(SortArray& A)
{
    return QuickSortTernaryLR(A, 0, A.size()-1);
}
Example #13
0
void MergeSort(SortArray& A)
{
    return MergeSort(A, 0, A.size());
}