mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 06:05:58 -06:00
556 lines
18 KiB
C++
556 lines
18 KiB
C++
template <class I, class Less>
|
|
void FinalSort__(I begin, I end, const Less& less)
|
|
{
|
|
if(begin == end)
|
|
return;
|
|
I last = end;
|
|
--last;
|
|
while(!(begin == last)) {
|
|
I best = last;
|
|
I next = last;
|
|
I ptr = last;
|
|
for(;;) {
|
|
if(less(*best, *--ptr)) { // best holds, scan for better candidate
|
|
do
|
|
if(ptr == begin) { // best is the final minimum
|
|
IterSwap(begin, best);
|
|
++begin;
|
|
goto NEXT_ITEM;
|
|
}
|
|
while(less(*best, *--ptr));
|
|
if(ptr == begin) { // begin is the final minimum, best is 2nd least
|
|
IterSwap(++begin, best);
|
|
++begin;
|
|
break;
|
|
}
|
|
next = ptr; // mark position after new best as the new end of sorted array
|
|
++next; // it will hold only if all subseqent iterations define new best (descending order)
|
|
}
|
|
else
|
|
if(ptr == begin) { // begin is the final minimum
|
|
begin = next; // and everything is sorted up to next
|
|
break;
|
|
}
|
|
best = ptr;
|
|
}
|
|
NEXT_ITEM:
|
|
;
|
|
}
|
|
}
|
|
|
|
template <class T, class Less>
|
|
void FinalSort__(T& c, const Less& less)
|
|
{
|
|
FinalSort__(c.begin(), c.end(), less);
|
|
}
|
|
|
|
template <class T>
|
|
void FinalSort__(T& c)
|
|
{
|
|
typedef ValueTypeOf<T> VT;
|
|
FinalSort__(c.begin(), c.end(), std::less<VT>());
|
|
}
|
|
|
|
template <class I, class Less>
|
|
force_inline
|
|
void OrderIter2__(I a, I b, const Less& less)
|
|
{
|
|
if(less(*b, *a))
|
|
IterSwap(a, b);
|
|
}
|
|
|
|
dword Random(dword n);
|
|
|
|
template <class I, class Less>
|
|
void Sort__(I l, I h, const Less& less)
|
|
{
|
|
for(;;) {
|
|
int count = int(h - l);
|
|
if(count < 2)
|
|
return;
|
|
if(count < 8) { // Final optimized SelectSort
|
|
FinalSort__(l, h, less);
|
|
return;
|
|
}
|
|
int pass = 4;
|
|
for(;;) {
|
|
I middle = l + (count >> 1); // get the middle element
|
|
OrderIter2__(l, middle, less); // sort l, middle, h-1 to find median of 3
|
|
OrderIter2__(middle, h - 1, less);
|
|
OrderIter2__(l, middle, less); // median is now in middle
|
|
IterSwap(l + 1, middle); // move median pivot to l + 1
|
|
I ii = l + 1;
|
|
for(I i = l + 2; i != h - 1; ++i) // do partitioning; already l <= pivot <= h - 1
|
|
if(less(*i, *(l + 1)))
|
|
IterSwap(++ii, i);
|
|
IterSwap(ii, l + 1); // put pivot back in between partitions
|
|
I iih = ii;
|
|
while(iih + 1 != h && !less(*ii, *(iih + 1))) // Find middle range of elements equal to pivot
|
|
++iih;
|
|
if(pass > 5 || min(ii - l, h - iih) > (max(ii - l, h - iih) >> pass)) { // partition sizes ok or we have done max attempts
|
|
if(ii - l < h - iih - 1) { // recurse on smaller partition, tail on larger
|
|
Sort__(l, ii, less);
|
|
l = iih + 1;
|
|
}
|
|
else {
|
|
Sort__(iih + 1, h, less);
|
|
h = ii;
|
|
}
|
|
break;
|
|
}
|
|
IterSwap(l, l + (int)Random(count)); // try some other random elements for median pivot
|
|
IterSwap(middle, l + (int)Random(count));
|
|
IterSwap(h - 1, l + (int)Random(count));
|
|
pass++;
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class Range, class Less>
|
|
void Sort(Range&& c, const Less& less)
|
|
{
|
|
Sort__(c.begin(), c.end(), less);
|
|
}
|
|
|
|
template <class Range>
|
|
void Sort(Range&& c)
|
|
{
|
|
Sort__(c.begin(), c.end(), std::less<ValueTypeOf<Range>>());
|
|
}
|
|
|
|
template <class T>
|
|
struct StableSortItem__ {
|
|
const T& value;
|
|
int index;
|
|
|
|
StableSortItem__(const T& value, int index) : value(value), index(index) {}
|
|
};
|
|
|
|
template <class II, class T>
|
|
struct StableSortIterator__ {
|
|
II ii;
|
|
int *vi;
|
|
|
|
typedef StableSortIterator__<II, T> Iter;
|
|
|
|
Iter& operator ++ () { ++ii; ++vi; return *this; }
|
|
Iter& operator -- () { --ii; --vi; return *this; }
|
|
Iter operator + (int i) const { return Iter(ii + i, vi + i); }
|
|
Iter operator - (int i) const { return Iter(ii - i, vi - i); }
|
|
int operator - (Iter b) const { return (int)(ii - b.ii); }
|
|
bool operator == (Iter b) const { return ii == b.ii; }
|
|
bool operator != (Iter b) const { return ii != b.ii; }
|
|
bool operator < (Iter b) const { return ii < b.ii; }
|
|
|
|
StableSortItem__<T> operator*() const { return StableSortItem__<T>(*ii, *vi); }
|
|
|
|
friend void IterSwap(Iter a, Iter b) { IterSwap(a.ii, b.ii); IterSwap(a.vi, b.vi); }
|
|
|
|
StableSortIterator__(II ii, int *vi) : ii(ii), vi(vi) {}
|
|
};
|
|
|
|
template <class T, class Less>
|
|
struct StableSortLess__ {
|
|
const Less& less;
|
|
|
|
bool operator()(const StableSortItem__<T>& a, const StableSortItem__<T>& b) const {
|
|
if(less(a.value, b.value)) return true;
|
|
return less(b.value, a.value) ? false : a.index < b.index;
|
|
}
|
|
|
|
StableSortLess__(const Less& less) : less(less) {}
|
|
};
|
|
|
|
template <class Range, class Less>
|
|
void StableSort(Range&& r, const Less& less)
|
|
{
|
|
auto begin = r.begin();
|
|
auto end = r.end();
|
|
typedef ValueTypeOf<Range> VT;
|
|
typedef decltype(begin) I;
|
|
int count = (int)(uintptr_t)(end - begin);
|
|
Buffer<int> h(count);
|
|
for(int i = 0; i < count; i++)
|
|
h[i] = i;
|
|
Sort__(StableSortIterator__<I, VT>(begin, ~h), StableSortIterator__<I, VT>(end, ~h + count),
|
|
StableSortLess__<VT, Less>(less));
|
|
}
|
|
|
|
template <class Range>
|
|
void StableSort(Range&& r)
|
|
{
|
|
StableSort(r, std::less<ValueTypeOf<Range>>());
|
|
}
|
|
|
|
template <class II, class VI, class K>
|
|
struct IndexSortIterator__
|
|
{
|
|
typedef IndexSortIterator__<II, VI, K> Iter;
|
|
|
|
IndexSortIterator__(II ii, VI vi) : ii(ii), vi(vi) {}
|
|
|
|
Iter& operator ++ () { ++ii; ++vi; return *this; }
|
|
Iter& operator -- () { --ii; --vi; return *this; }
|
|
const K& operator * () const { return *ii; }
|
|
Iter operator + (int i) const { return Iter(ii + i, vi + i); }
|
|
Iter operator - (int i) const { return Iter(ii - i, vi - i); }
|
|
int operator - (Iter b) const { return (int)(ii - b.ii); }
|
|
bool operator == (Iter b) const { return ii == b.ii; }
|
|
bool operator != (Iter b) const { return ii != b.ii; }
|
|
bool operator < (Iter b) const { return ii < b.ii; }
|
|
friend void IterSwap (Iter a, Iter b) { IterSwap(a.ii, b.ii); IterSwap(a.vi, b.vi); }
|
|
|
|
II ii;
|
|
VI vi;
|
|
};
|
|
|
|
template <class MasterRange, class Range2, class Less>
|
|
void IndexSort(MasterRange&& r, Range2&& r2, const Less& less)
|
|
{
|
|
ASSERT(r.GetCount() == r2.GetCount());
|
|
typedef decltype(r.begin()) I;
|
|
typedef decltype(r2.begin()) I2;
|
|
typedef ValueTypeOf<MasterRange> VT;
|
|
if(r.GetCount() == 0)
|
|
return;
|
|
Sort__(IndexSortIterator__<I, I2, VT>(r.begin(), r2.begin()),
|
|
IndexSortIterator__<I, I2, VT>(r.end(), r2.end()),
|
|
less);
|
|
}
|
|
|
|
template <class MasterRange, class Range2>
|
|
void IndexSort(MasterRange&& r, Range2&& r2)
|
|
{
|
|
IndexSort(r, r2, std::less<ValueTypeOf<MasterRange>>());
|
|
}
|
|
|
|
template <class MasterRange, class Range2, class Less>
|
|
void StableIndexSort(MasterRange&& r, Range2&& r2, const Less& less)
|
|
{
|
|
ASSERT(r.GetCount() == r2.GetCount());
|
|
typedef decltype(r.begin()) I;
|
|
typedef decltype(r2.begin()) I2;
|
|
typedef ValueTypeOf<MasterRange> VT;
|
|
if(r.GetCount() == 0)
|
|
return;
|
|
StableSort(SubRange(IndexSortIterator__<I, I2, VT>(r.begin(), r2.begin()),
|
|
IndexSortIterator__<I, I2, VT>(r.end(), r2.end())).Write(),
|
|
less);
|
|
}
|
|
|
|
template <class MasterRange, class Range2>
|
|
void StableIndexSort(MasterRange&& r, Range2&& r2)
|
|
{
|
|
StableIndexSort(r, r2, std::less<ValueTypeOf<MasterRange>>());
|
|
}
|
|
|
|
template <class II, class VI, class WI, class K>
|
|
struct IndexSort2Iterator__
|
|
{
|
|
typedef IndexSort2Iterator__<II, VI, WI, K> Iter;
|
|
|
|
IndexSort2Iterator__(II ii, VI vi, WI wi) : ii(ii), vi(vi), wi(wi) {}
|
|
|
|
Iter& operator ++ () { ++ii; ++vi; ++wi; return *this; }
|
|
Iter& operator -- () { --ii; --vi; --wi; return *this; }
|
|
const K& operator * () const { return *ii; }
|
|
Iter operator + (int i) const { return Iter(ii + i, vi + i, wi + i); }
|
|
Iter operator - (int i) const { return Iter(ii - i, vi - i, wi - i); }
|
|
int operator - (Iter b) const { return (int)(ii - b.ii); }
|
|
bool operator == (Iter b) const { return ii == b.ii; }
|
|
bool operator != (Iter b) const { return ii != b.ii; }
|
|
bool operator < (Iter b) const { return ii < b.ii; }
|
|
friend void IterSwap (Iter a, Iter b) { IterSwap(a.ii, b.ii); IterSwap(a.vi, b.vi); IterSwap(a.wi, b.wi); }
|
|
|
|
II ii;
|
|
VI vi;
|
|
WI wi;
|
|
};
|
|
|
|
template <class MasterRange, class Range2, class Range3, class Less>
|
|
void IndexSort2(MasterRange&& r, Range2&& r2, Range3&& r3, const Less& less)
|
|
{
|
|
ASSERT(r.GetCount() == r2.GetCount());
|
|
ASSERT(r.GetCount() == r3.GetCount());
|
|
if(r.GetCount() == 0)
|
|
return;
|
|
typedef decltype(r.begin()) I;
|
|
typedef decltype(r2.begin()) I2;
|
|
typedef decltype(r3.begin()) I3;
|
|
typedef ValueTypeOf<MasterRange> VT;
|
|
Sort__(IndexSort2Iterator__<I, I2, I3, VT>(r.begin(), r2.begin(), r3.begin()),
|
|
IndexSort2Iterator__<I, I2, I3, VT>(r.end(), r2.end(), r3.end()),
|
|
less);
|
|
}
|
|
|
|
template <class MasterRange, class Range2, class Range3>
|
|
void IndexSort2(MasterRange&& r, Range2&& r2, Range3&& r3)
|
|
{
|
|
IndexSort2(r, r2, r3, std::less<ValueTypeOf<MasterRange>>());
|
|
}
|
|
|
|
template <class MasterRange, class Range2, class Range3, class Less>
|
|
void StableIndexSort2(MasterRange&& r, Range2&& r2, Range3&& r3, const Less& less)
|
|
{
|
|
ASSERT(r.GetCount() == r2.GetCount());
|
|
ASSERT(r.GetCount() == r3.GetCount());
|
|
if(r.GetCount() == 0)
|
|
return;
|
|
typedef decltype(r.begin()) I;
|
|
typedef decltype(r2.begin()) I2;
|
|
typedef decltype(r3.begin()) I3;
|
|
typedef ValueTypeOf<MasterRange> VT;
|
|
StableSort(SubRange(IndexSort2Iterator__<I, I2, I3, VT>(r.begin(), r2.begin(), r3.begin()),
|
|
IndexSort2Iterator__<I, I2, I3, VT>(r.end(), r2.end(), r3.end())).Write(),
|
|
less);
|
|
}
|
|
|
|
template <class MasterRange, class Range2, class Range3>
|
|
void StableIndexSort2(MasterRange&& r, Range2&& r2, Range3&& r3)
|
|
{
|
|
StableIndexSort2(r, r2, r3, std::less<ValueTypeOf<MasterRange>>());
|
|
}
|
|
|
|
template <class II, class VI, class WI, class XI, class K>
|
|
struct IndexSort3Iterator__
|
|
{
|
|
typedef IndexSort3Iterator__<II, VI, WI, XI, K> Iter;
|
|
|
|
IndexSort3Iterator__(II ii, VI vi, WI wi, XI xi) : ii(ii), vi(vi), wi(wi), xi(xi) {}
|
|
|
|
Iter& operator ++ () { ++ii; ++vi; ++wi; ++xi; return *this; }
|
|
Iter& operator -- () { --ii; --vi; --wi; --xi; return *this; }
|
|
const K& operator * () const { return *ii; }
|
|
Iter operator + (int i) const { return Iter(ii + i, vi + i, wi + i, xi + i); }
|
|
Iter operator - (int i) const { return Iter(ii - i, vi - i, wi - i, xi - i); }
|
|
int operator - (Iter b) const { return (int)(ii - b.ii); }
|
|
bool operator == (Iter b) const { return ii == b.ii; }
|
|
bool operator != (Iter b) const { return ii != b.ii; }
|
|
bool operator < (Iter b) const { return ii < b.ii; }
|
|
friend void IterSwap (Iter a, Iter b) { IterSwap(a.ii, b.ii); IterSwap(a.vi, b.vi); IterSwap(a.wi, b.wi); IterSwap(a.xi, b.xi); }
|
|
|
|
II ii;
|
|
VI vi;
|
|
WI wi;
|
|
XI xi;
|
|
};
|
|
|
|
template <class MasterRange, class Range2, class Range3, class Range4, class Less>
|
|
void IndexSort3(MasterRange&& r, Range2&& r2, Range3&& r3, Range4&& r4, const Less& less)
|
|
{
|
|
ASSERT(r.GetCount() == r2.GetCount());
|
|
ASSERT(r.GetCount() == r3.GetCount());
|
|
ASSERT(r.GetCount() == r4.GetCount());
|
|
if(r.GetCount() == 0)
|
|
return;
|
|
typedef decltype(r.begin()) I;
|
|
typedef decltype(r2.begin()) I2;
|
|
typedef decltype(r3.begin()) I3;
|
|
typedef decltype(r4.begin()) I4;
|
|
typedef ValueTypeOf<MasterRange> VT;
|
|
Sort__(IndexSort3Iterator__<I, I2, I3, I4, VT>(r.begin(), r2.begin(), r3.begin(), r4.begin()),
|
|
IndexSort3Iterator__<I, I2, I3, I4, VT>(r.end(), r2.end(), r3.end(), r4.end()),
|
|
less);
|
|
}
|
|
|
|
template <class MasterRange, class Range2, class Range3, class Range4>
|
|
void IndexSort3(MasterRange&& r, Range2&& r2, Range3&& r3, Range4&& r4)
|
|
{
|
|
IndexSort3(r, r2, r3, r4, std::less<ValueTypeOf<MasterRange>>());
|
|
}
|
|
|
|
template <class MasterRange, class Range2, class Range3, class Range4, class Less>
|
|
void StableIndexSort3(MasterRange&& r, Range2&& r2, Range3&& r3, Range4&& r4, const Less& less)
|
|
{
|
|
ASSERT(r.GetCount() == r2.GetCount());
|
|
ASSERT(r.GetCount() == r3.GetCount());
|
|
ASSERT(r.GetCount() == r4.GetCount());
|
|
if(r.GetCount() == 0)
|
|
return;
|
|
typedef decltype(r.begin()) I;
|
|
typedef decltype(r2.begin()) I2;
|
|
typedef decltype(r3.begin()) I3;
|
|
typedef decltype(r4.begin()) I4;
|
|
typedef ValueTypeOf<MasterRange> VT;
|
|
StableSort(SubRange(IndexSort3Iterator__<I, I2, I3, I4, VT>(r.begin(), r2.begin(), r3.begin(), r4.begin()),
|
|
IndexSort3Iterator__<I, I2, I3, I4, VT>(r.end(), r2.end(), r3.end(), r4.end())).Write(),
|
|
less);
|
|
}
|
|
|
|
template <class MasterRange, class Range2, class Range3, class Range4>
|
|
void StableIndexSort3(MasterRange&& r, Range2&& r2, Range3&& r3, Range4&& r4)
|
|
{
|
|
StableIndexSort3(r, r2, r3, r4, std::less<ValueTypeOf<MasterRange>>());
|
|
}
|
|
|
|
template <class I, class V>
|
|
struct SortOrderIterator__ : PostfixOps< SortOrderIterator__<I, V> >
|
|
{
|
|
typedef SortOrderIterator__<I, V> Iter;
|
|
|
|
SortOrderIterator__(int *ii, I vi) : ii(ii), vi(vi) {}
|
|
|
|
Iter& operator ++ () { ++ii; return *this; }
|
|
Iter& operator -- () { --ii; return *this; }
|
|
const V& operator * () const { return *(vi + *ii); }
|
|
Iter operator + (int i) const { return Iter(ii + i, vi); }
|
|
Iter operator - (int i) const { return Iter(ii - i, vi); }
|
|
int operator - (Iter b) const { return int(ii - b.ii); }
|
|
bool operator == (Iter b) const { return ii == b.ii; }
|
|
bool operator != (Iter b) const { return ii != b.ii; }
|
|
bool operator < (Iter b) const { return ii < b.ii; }
|
|
friend void IterSwap (Iter a, Iter b) { IterSwap(a.ii, b.ii); }
|
|
|
|
int *ii;
|
|
I vi;
|
|
};
|
|
|
|
template <class Range, class Less>
|
|
Vector<int> GetSortOrder(const Range& r, const Less& less)
|
|
{
|
|
auto begin = r.begin();
|
|
Vector<int> index;
|
|
index.SetCount(r.GetCount());
|
|
for(int i = index.GetCount(); --i >= 0; index[i] = i)
|
|
;
|
|
typedef SortOrderIterator__<decltype(begin), ValueTypeOf<Range>> It;
|
|
Sort__(It(index.begin(), begin), It(index.end(), begin), less);
|
|
return index;
|
|
}
|
|
|
|
template <class Range>
|
|
Vector<int> GetSortOrder(const Range& r)
|
|
{
|
|
return GetSortOrder(r, std::less<ValueTypeOf<Range>>());
|
|
}
|
|
|
|
template <class I, class T>
|
|
struct StableSortOrderIterator__ : PostfixOps< StableSortOrderIterator__<I, T> >
|
|
{
|
|
typedef StableSortOrderIterator__<I, T> Iter;
|
|
|
|
StableSortOrderIterator__(int *ii, I vi) : ii(ii), vi(vi) {}
|
|
|
|
Iter& operator ++ () { ++ii; return *this; }
|
|
Iter& operator -- () { --ii; return *this; }
|
|
Iter operator + (int i) const { return Iter(ii + i, vi); }
|
|
Iter operator - (int i) const { return Iter(ii - i, vi); }
|
|
int operator - (Iter b) const { return int(ii - b.ii); }
|
|
bool operator == (Iter b) const { return ii == b.ii; }
|
|
bool operator != (Iter b) const { return ii != b.ii; }
|
|
bool operator < (Iter b) const { return ii < b.ii; }
|
|
friend void IterSwap (Iter a, Iter b) { IterSwap(a.ii, b.ii); }
|
|
|
|
StableSortItem__<T> operator*() const { return StableSortItem__<T>(*(vi + *ii), *ii); }
|
|
|
|
int *ii;
|
|
I vi;
|
|
};
|
|
|
|
template <class Range, class Less>
|
|
Vector<int> GetStableSortOrder(const Range& r, const Less& less)
|
|
{
|
|
Vector<int> index;
|
|
index.SetCount(r.GetCount());
|
|
for(int i = index.GetCount(); --i >= 0; index[i] = i)
|
|
;
|
|
auto begin = r.begin();
|
|
typedef ValueTypeOf<Range> VT;
|
|
typedef StableSortOrderIterator__<decltype(begin), VT> It;
|
|
Sort__(It(index.begin(), begin), It(index.end(), begin), StableSortLess__<VT, Less>(less));
|
|
return index;
|
|
}
|
|
|
|
template <class Range>
|
|
Vector<int> GetStableSortOrder(const Range& r)
|
|
{
|
|
return GetStableSortOrder(r, std::less<ValueTypeOf<Range>>());
|
|
}
|
|
|
|
template <class Map, class Less>
|
|
void SortByKey(Map& map, const Less& less)
|
|
{
|
|
typename Map::KeyContainer k = map.PickKeys();
|
|
typename Map::ValueContainer v = map.PickValues();
|
|
IndexSort(k, v, less);
|
|
map = Map(pick(k), pick(v));
|
|
}
|
|
|
|
template <class Map>
|
|
void SortByKey(Map& map)
|
|
{
|
|
SortByKey(map, std::less<typename Map::KeyType>());
|
|
}
|
|
|
|
template <class Map, class Less>
|
|
void SortByValue(Map& map, const Less& less)
|
|
{
|
|
typename Map::KeyContainer k = map.PickKeys();
|
|
typename Map::ValueContainer v = map.PickValues();
|
|
IndexSort(v, k, less);
|
|
map = Map(pick(k), pick(v));
|
|
}
|
|
|
|
template <class Map>
|
|
void SortByValue(Map& map)
|
|
{
|
|
SortByValue(map, std::less<ValueTypeOf<Map>>());
|
|
}
|
|
|
|
template <class Map, class Less>
|
|
void StableSortByKey(Map& map, const Less& less)
|
|
{
|
|
typename Map::KeyContainer k = map.PickKeys();
|
|
typename Map::ValueContainer v = map.PickValues();
|
|
StableIndexSort(k, v, less);
|
|
map = Map(pick(k), pick(v));
|
|
}
|
|
|
|
template <class Map>
|
|
void StableSortByKey(Map& map)
|
|
{
|
|
StableSortByKey(map, std::less<typename Map::KeyType>());
|
|
}
|
|
|
|
template <class Map, class Less>
|
|
void StableSortByValue(Map& map, const Less& less)
|
|
{
|
|
typename Map::KeyContainer k = map.PickKeys();
|
|
typename Map::ValueContainer v = map.PickValues();
|
|
StableIndexSort(v, k, less);
|
|
map = Map(pick(k), pick(v));
|
|
}
|
|
|
|
template <class Map>
|
|
void StableSortByValue(Map& map)
|
|
{
|
|
StableSortByValue(map, std::less<ValueTypeOf<Map>>());
|
|
}
|
|
|
|
template <class Index, class Less>
|
|
void SortIndex(Index& index, const Less& less)
|
|
{
|
|
typename Index::ValueContainer k = index.PickKeys();
|
|
Sort(k, less);
|
|
index = Index(pick(k));
|
|
}
|
|
|
|
template <class Index>
|
|
void SortIndex(Index& index)
|
|
{
|
|
SortIndex(index, std::less<ValueTypeOf<Index>>());
|
|
}
|
|
|
|
template <class Index, class Less>
|
|
void StableSortIndex(Index& index, const Less& less)
|
|
{
|
|
typename Index::ValueContainer k = index.PickKeys();
|
|
StableSort(k, less);
|
|
index = Index(pick(k));
|
|
}
|
|
|
|
template <class Index>
|
|
void StableSortIndex(Index& index)
|
|
{
|
|
StableSortIndex(index, std::less<ValueTypeOf<Index>>());
|
|
}
|