_heap.h File Reference

#include <stl/_heap.c>

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Functions
template<class _RandomAccessIterator >
_STLP_BEGIN_NAMESPACE void	push_heap (_RandomAccessIterator __first, _RandomAccessIterator __last)
template<class _RandomAccessIterator , class _Compare >
void	push_heap (_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
template<class _RandomAccessIterator , class _Distance , class _Tp >
void	__adjust_heap (_RandomAccessIterator __first, _Distance __holeIndex, _Distance __len, _Tp __val)
template<class _RandomAccessIterator , class _Tp , class _Distance >
void	__pop_heap (_RandomAccessIterator __first, _RandomAccessIterator __last, _RandomAccessIterator __result, _Tp __val, _Distance *)
template<class _RandomAccessIterator >
void	pop_heap (_RandomAccessIterator __first, _RandomAccessIterator __last)
template<class _RandomAccessIterator , class _Distance , class _Tp , class _Compare >
void	__adjust_heap (_RandomAccessIterator __first, _Distance __holeIndex, _Distance __len, _Tp __val, _Compare __comp)
template<class _RandomAccessIterator , class _Tp , class _Compare , class _Distance >
void	__pop_heap (_RandomAccessIterator __first, _RandomAccessIterator __last, _RandomAccessIterator __result, _Tp __val, _Compare __comp, _Distance *)
template<class _RandomAccessIterator , class _Compare >
void	pop_heap (_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
template<class _RandomAccessIterator >
void	make_heap (_RandomAccessIterator __first, _RandomAccessIterator __last)
template<class _RandomAccessIterator , class _Compare >
void	make_heap (_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
template<class _RandomAccessIterator >
_STLP_INLINE_LOOP void	sort_heap (_RandomAccessIterator __first, _RandomAccessIterator __last)
template<class _RandomAccessIterator , class _Compare >
_STLP_INLINE_LOOP void	sort_heap (_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)

Function Documentation

__adjust_heap() [1/2]

template<class _RandomAccessIterator , class _Distance , class _Tp >

void __adjust_heap	(	_RandomAccessIterator	__first,
		_Distance	__holeIndex,
		_Distance	__len,
		_Tp	__val
	)

Definition at line 111 of file _heap.c.

                                          {
  _Distance __topIndex = __holeIndex;
  _Distance __secondChild = 2 * __holeIndex + 2;
  while (__secondChild < __len) {
    if (*(__first + __secondChild) < *(__first + (__secondChild - 1)))
      __secondChild--;
    *(__first + __holeIndex) = *(__first + __secondChild);
    __holeIndex = __secondChild;
    __secondChild = 2 * (__secondChild + 1);
  }
  if (__secondChild == __len) {
    *(__first + __holeIndex) = *(__first + (__secondChild - 1));
    __holeIndex = __secondChild - 1;
  }
  __push_heap(__first, __holeIndex, __topIndex, __val);
}

Referenced by __make_heap(), __partial_sort_copy(), and __pop_heap().

__adjust_heap() [2/2]

template<class _RandomAccessIterator , class _Distance , class _Tp , class _Compare >

void __adjust_heap	(	_RandomAccessIterator	__first,
		_Distance	__holeIndex,
		_Distance	__len,
		_Tp	__val,
		_Compare	__comp
	)

Definition at line 146 of file _heap.c.

{
  _Distance __topIndex = __holeIndex;
  _Distance __secondChild = 2 * __holeIndex + 2;
  while (__secondChild < __len) {
    if (__comp(*(__first + __secondChild), *(__first + (__secondChild - 1)))) {
      _STLP_VERBOSE_ASSERT(!__comp(*(__first + (__secondChild - 1)), *(__first + __secondChild)),
                           _StlMsg_INVALID_STRICT_WEAK_PREDICATE)
      __secondChild--;
    }
    *(__first + __holeIndex) = *(__first + __secondChild);
    __holeIndex = __secondChild;
    __secondChild = 2 * (__secondChild + 1);
  }
  if (__secondChild == __len) {
    *(__first + __holeIndex) = *(__first + (__secondChild - 1));
    __holeIndex = __secondChild - 1;
  }
  __push_heap(__first, __holeIndex, __topIndex, __val, __comp);
}

__pop_heap() [1/2]

template<class _RandomAccessIterator , class _Tp , class _Compare , class _Distance >

void __pop_heap ( _RandomAccessIterator  __first, _RandomAccessIterator  __last, _RandomAccessIterator  __result, _Tp  __val, _Compare  __comp, _Distance *    )

inline

Definition at line 74 of file _heap.h.

{
  *__result = *__first;
  __adjust_heap(__first, _Distance(0), _Distance(__last - __first),
                __val, __comp);
}

__pop_heap() [2/2]

template<class _RandomAccessIterator , class _Tp , class _Distance >

void __pop_heap ( _RandomAccessIterator  __first, _RandomAccessIterator  __last, _RandomAccessIterator  __result, _Tp  __val, _Distance *    )

inline

Definition at line 54 of file _heap.h.

{
  *__result = *__first;
  __adjust_heap(__first, _Distance(0), _Distance(__last - __first), __val);
}

Referenced by __partial_sort(), and __pop_heap_aux().

make_heap() [1/2]

template<class _RandomAccessIterator >

void make_heap	(	_RandomAccessIterator	__first,
		_RandomAccessIterator	__last
	)

Definition at line 206 of file _heap.c.

{
  __make_heap(__first, __last,
              _STLP_VALUE_TYPE(__first, _RandomAccessIterator), _STLP_DISTANCE_TYPE(__first, _RandomAccessIterator));
}

Referenced by __partial_sort(), __partial_sort_copy(), HeapTest::mkheap0(), HeapTest::mkheap1(), HeapTest::pheap1(), HeapTest::pheap2(), and priority_queue< _Tp, _Sequence, _Compare >::priority_queue().

make_heap() [2/2]

template<class _RandomAccessIterator , class _Compare >

void make_heap	(	_RandomAccessIterator	__first,
		_RandomAccessIterator	__last,
		_Compare	__comp
	)

Definition at line 233 of file _heap.c.

{
  __make_heap(__first, __last, __comp,
              _STLP_VALUE_TYPE(__first, _RandomAccessIterator), _STLP_DISTANCE_TYPE(__first, _RandomAccessIterator));
}

pop_heap() [1/2]

template<class _RandomAccessIterator >

void pop_heap	(	_RandomAccessIterator	__first,
		_RandomAccessIterator	__last
	)

Definition at line 138 of file _heap.c.

                                      {
  __pop_heap_aux(__first, __last, _STLP_VALUE_TYPE(__first, _RandomAccessIterator));
}

Referenced by HeapTest::mkheap0(), HeapTest::mkheap1(), priority_queue< _Tp, _Sequence, _Compare >::pop(), and sort_heap().

pop_heap() [2/2]

template<class _RandomAccessIterator , class _Compare >

void pop_heap	(	_RandomAccessIterator	__first,
		_RandomAccessIterator	__last,
		_Compare	__comp
	)

Definition at line 181 of file _heap.c.

{
    __pop_heap_aux(__first, __last, _STLP_VALUE_TYPE(__first, _RandomAccessIterator), __comp);
}

push_heap() [1/2]

template<class _RandomAccessIterator >

_STLP_BEGIN_NAMESPACE void push_heap	(	_RandomAccessIterator	__first,
		_RandomAccessIterator	__last
	)

Definition at line 65 of file _heap.c.

{
  __push_heap_aux(__first, __last,
                  _STLP_DISTANCE_TYPE(__first, _RandomAccessIterator), _STLP_VALUE_TYPE(__first, _RandomAccessIterator));
}

Referenced by HeapTest::pheap1(), HeapTest::pheap2(), and priority_queue< _Tp, _Sequence, _Compare >::push().

push_heap() [2/2]

template<class _RandomAccessIterator , class _Compare >

void push_heap	(	_RandomAccessIterator	__first,
		_RandomAccessIterator	__last,
		_Compare	__comp
	)

Definition at line 102 of file _heap.c.

{
  __push_heap_aux(__first, __last, __comp,
                  _STLP_DISTANCE_TYPE(__first, _RandomAccessIterator), _STLP_VALUE_TYPE(__first, _RandomAccessIterator));
}

sort_heap() [1/2]

template<class _RandomAccessIterator >

_STLP_INLINE_LOOP void sort_heap	(	_RandomAccessIterator	__first,
		_RandomAccessIterator	__last
	)

Definition at line 99 of file _heap.h.

{
  while (__last - __first > 1)
    pop_heap(__first, __last--);
}

Referenced by __partial_sort(), __partial_sort_copy(), HeapTest::pheap1(), and HeapTest::pheap2().

sort_heap() [2/2]

template<class _RandomAccessIterator , class _Compare >

_STLP_INLINE_LOOP void sort_heap	(	_RandomAccessIterator	__first,
		_RandomAccessIterator	__last,
		_Compare	__comp
	)

Definition at line 108 of file _heap.h.

{
  while (__last - __first > 1)
    pop_heap(__first, __last--, __comp);
}