// Auto-generated variant of sort.go:siftDown
private static void siftDown_func(lessSwap data, nint lo, nint hi, nint first)
{
var root = lo;
while (true)
{
nint child = 2 * root + 1;
if (child >= hi)
{
break;
}
if (child + 1 < hi && data.Less(first + child, first + child + 1))
{
child++;
}
if (!data.Less(first + root, first + child))
{
return;
}
data.Swap(first + root, first + child);
root = child;
}
}
// Auto-generated variant of sort.go:siftDown
private static void siftDown_func(lessSwap data, long lo, long hi, long first)
{
var root = lo;
while (true)
{
long child = 2L * root + 1L;
if (child >= hi)
{
break;
}
if (child + 1L < hi && data.Less(first + child, first + child + 1L))
{
child++;
}
if (!data.Less(first + root, first + child))
{
return;
}
data.Swap(first + root, first + child);
root = child;
}
}
// Auto-generated variant of sort.go:medianOfThree
private static void medianOfThree_func(lessSwap data, nint m1, nint m0, nint m2)
{
if (data.Less(m1, m0))
{
data.Swap(m1, m0);
}
if (data.Less(m2, m1))
{
data.Swap(m2, m1);
if (data.Less(m1, m0))
{
data.Swap(m1, m0);
}
}
}
// Auto-generated variant of sort.go:insertionSort
private static void insertionSort_func(lessSwap data, nint a, nint b)
{
for (var i = a + 1; i < b; i++)
{
for (var j = i; j > a && data.Less(j, j - 1); j--)
{
data.Swap(j, j - 1);
}
}
}
// Auto-generated variant of sort.go:quickSort
private static void quickSort_func(lessSwap data, nint a, nint b, nint maxDepth)
{
while (b - a > 12)
{
if (maxDepth == 0)
{
heapSort_func(data, a, b);
return;
}
maxDepth--;
var(mlo, mhi) = doPivot_func(data, a, b);
if (mlo - a < b - mhi)
{
quickSort_func(data, a, mlo, maxDepth);
a = mhi;
}
else
{
quickSort_func(data, mhi, b, maxDepth);
b = mlo;
}
}
if (b - a > 1)
{
for (var i = a + 6; i < b; i++)
{
if (data.Less(i, i - 6))
{
data.Swap(i, i - 6);
}
}
insertionSort_func(data, a, b);
}
}
// Auto-generated variant of sort.go:symMerge
private static void symMerge_func(lessSwap data, nint a, nint m, nint b)
{
if (m - a == 1)
{
var i = m;
var j = b;
while (i < j)
{
var h = (nint)((nuint)(i + j) >> 1);
if (data.Less(h, a))
{
i = h + 1;
}
else
{
j = h;
}
}
for (var k = a; k < i - 1; k++)
{
data.Swap(k, k + 1);
}
return;
}
if (b - m == 1)
{
var i = a;
var j = m;
while (i < j)
{
var h = (nint)((nuint)(i + j) >> 1);
if (!data.Less(m, h))
{
i = h + 1;
}
else
{
j = h;
}
}
for (var k = m; k > i; k--)
{
data.Swap(k, k - 1);
}
return;
}
var mid = (nint)((nuint)(a + b) >> 1);
var n = mid + m;
nint start = default; nint r = default;
if (m > mid)
{
start = n - b;
r = mid;
}
else
{
start = a;
r = m;
}
var p = n - 1;
while (start < r)
{
var c = (nint)((nuint)(start + r) >> 1);
if (!data.Less(p - c, c))
{
start = c + 1;
}
else
{
r = c;
}
}
var end = n - start;
if (start < m && m < end)
{
rotate_func(data, start, m, end);
}
if (a < start && start < mid)
{
symMerge_func(data, a, start, mid);
}
if (mid < end && end < b)
{
symMerge_func(data, mid, end, b);
}
}
// Auto-generated variant of sort.go:doPivot
private static (nint, nint) doPivot_func(lessSwap data, nint lo, nint hi)
{
nint midlo = default;
nint midhi = default;
var m = (nint)((nuint)(lo + hi) >> 1);
if (hi - lo > 40)
{
var s = (hi - lo) / 8;
medianOfThree_func(data, lo, lo + s, lo + 2 * s);
medianOfThree_func(data, m, m - s, m + s);
medianOfThree_func(data, hi - 1, hi - 1 - s, hi - 1 - 2 * s);
}
medianOfThree_func(data, lo, m, hi - 1);
var pivot = lo;
var a = lo + 1;
var c = hi - 1;
while (a < c && data.Less(a, pivot))
{
a++;
}
var b = a;
while (true)
{
while (b < c && !data.Less(pivot, b))
{
b++;
}
while (b < c && data.Less(pivot, c - 1))
{
c--;
}
if (b >= c)
{
break;
}
data.Swap(b, c - 1);
b++;
c--;
}
var protect = hi - c < 5L;
if (!protect && hi - c < (hi - lo) / 4)
{
nint dups = 0;
if (!data.Less(pivot, hi - 1))
{
data.Swap(c, hi - 1);
c++;
dups++;
}
if (!data.Less(b - 1, pivot))
{
b--;
dups++;
}
if (!data.Less(m, pivot))
{
data.Swap(m, b - 1);
b--;
dups++;
}
protect = dups > 1;
}
if (protect)
{
while (true)
{
while (a < b && !data.Less(b - 1, pivot))
{
b--;
}
while (a < b && data.Less(a, pivot))
{
a++;
}
if (a >= b)
{
break;
}
data.Swap(a, b - 1);
a++;
b--;
}
}
data.Swap(pivot, b - 1);
return(b - 1, c);
}
// Auto-generated variant of sort.go:symMerge
private static void symMerge_func(lessSwap data, long a, long m, long b)
{
if (m - a == 1L)
{
var i = m;
var j = b;
while (i < j)
{
var h = int(uint(i + j) >> (int)(1L));
if (data.Less(h, a))
{
i = h + 1L;
}
else
{
j = h;
}
}
{
var k__prev1 = k;
for (var k = a; k < i - 1L; k++)
{
data.Swap(k, k + 1L);
}
k = k__prev1;
}
return;
}
if (b - m == 1L)
{
i = a;
j = m;
while (i < j)
{
h = int(uint(i + j) >> (int)(1L));
if (!data.Less(m, h))
{
i = h + 1L;
}
else
{
j = h;
}
}
{
var k__prev1 = k;
for (k = m; k > i; k--)
{
data.Swap(k, k - 1L);
}
k = k__prev1;
}
return;
}
var mid = int(uint(a + b) >> (int)(1L));
var n = mid + m;
long start = default; long r = default;
if (m > mid)
{
start = n - b;
r = mid;
}
else
{
start = a;
r = m;
}
var p = n - 1L;
while (start < r)
{
var c = int(uint(start + r) >> (int)(1L));
if (!data.Less(p - c, c))
{
start = c + 1L;
}
else
{
r = c;
}
}
var end = n - start;
if (start < m && m < end)
{
rotate_func(data, start, m, end);
}
if (a < start && start < mid)
{
symMerge_func(data, a, start, mid);
}
if (mid < end && end < b)
{
symMerge_func(data, mid, end, b);
}
}
// Auto-generated variant of sort.go:doPivot
private static (long, long) doPivot_func(lessSwap data, long lo, long hi)
{
long midlo = default;
long midhi = default;
var m = int(uint(lo + hi) >> (int)(1L));
if (hi - lo > 40L)
{
var s = (hi - lo) / 8L;
medianOfThree_func(data, lo, lo + s, lo + 2L * s);
medianOfThree_func(data, m, m - s, m + s);
medianOfThree_func(data, hi - 1L, hi - 1L - s, hi - 1L - 2L * s);
}
medianOfThree_func(data, lo, m, hi - 1L);
var pivot = lo;
var a = lo + 1L;
var c = hi - 1L;
while (a < c && data.Less(a, pivot))
{
a++;
}
var b = a;
while (true)
{
while (b < c && !data.Less(pivot, b))
{
b++;
}
while (b < c && data.Less(pivot, c - 1L))
{
c--;
}
if (b >= c)
{
break;
}
data.Swap(b, c - 1L);
b++;
c--;
}
var protect = hi - c < 5L;
if (!protect && hi - c < (hi - lo) / 4L)
{
long dups = 0L;
if (!data.Less(pivot, hi - 1L))
{
data.Swap(c, hi - 1L);
c++;
dups++;
}
if (!data.Less(b - 1L, pivot))
{
b--;
dups++;
}
if (!data.Less(m, pivot))
{
data.Swap(m, b - 1L);
b--;
dups++;
}
protect = dups > 1L;
}
if (protect)
{
while (true)
{
while (a < b && !data.Less(b - 1L, pivot))
{
b--;
}
while (a < b && data.Less(a, pivot))
{
a++;
}
if (a >= b)
{
break;
}
data.Swap(a, b - 1L);
a++;
b--;
}
}
data.Swap(pivot, b - 1L);
return(b - 1L, c);
}