NAME

       std::priority_queue< _Tp, _Sequence, _Compare > -

SYNOPSIS

   Public Types
       typedef _Sequence::const_reference const_reference
       typedef _Sequence container_type
       typedef _Sequence::reference reference
       typedef _Sequence::size_type size_type
       typedef _Sequence::value_type value_type

   Public Member Functions
       priority_queue (const _Compare &__x, const _Sequence &__s)
       priority_queue (const _Compare &__x=_Compare(), _Sequence &&__s=_Sequence())
       template<typename _InputIterator > priority_queue (_InputIterator __first, _InputIterator
           __last, const _Compare &__x, const _Sequence &__s)
       template<typename _InputIterator > priority_queue (_InputIterator __first, _InputIterator
           __last, const _Compare &__x=_Compare(), _Sequence &&__s=_Sequence())
       template<typename... _Args> void emplace (_Args &&...__args)
       bool empty () const
       void pop ()
       void push (const value_type &__x)
       void push (value_type &&__x)
       size_type size () const
       void swap (priority_queue &__pq) noexcept(noexcept(swap(c, __pq.c))&&noexcept(swap(comp,
           __pq.comp)))
       const_reference top () const

   Protected Attributes
       _Sequence c
       _Compare comp

Detailed Description

   template<typename _Tp, typename _Sequence = vector<_Tp>, typename _Compare = less<typename
       _Sequence::value_type>>class std::priority_queue< _Tp, _Sequence, _Compare >
       A standard container automatically sorting its contents.

       This is not a true container, but an adaptor. It holds another container, and provides a
       wrapper interface to that container. The wrapper is what enforces priority-based sorting
       and queue behavior. Very few of the standard container/sequence interface requirements are
       met (e.g., iterators).

       The second template parameter defines the type of the underlying sequence/container. It
       defaults to std::vector, but it can be any type that supports front(), push_back,
       pop_back, and random-access iterators, such as std::deque or an appropriate user-defined
       type.

       The third template parameter supplies the means of making priority comparisons. It
       defaults to less<value_type> but can be anything defining a strict weak ordering.

       Members not found in normal containers are container_type, which is a typedef for the
       second Sequence parameter, and push, pop, and top, which are standard queue operations.

       Note:
           No equality/comparison operators are provided for priority_queue.

           Sorting of the elements takes place as they are added to, and removed from, the
           priority_queue using the priority_queue's member functions. If you access the elements
           by other means, and change their data such that the sorting order would be different,
           the priority_queue will not re-sort the elements for you. (How could it know to do
           so?)

       Definition at line 361 of file stl_queue.h.

Constructor & Destructor Documentation

   template<typename _Tp, typename _Sequence = vector<_Tp>, typename _Compare = less<typename
       _Sequence::value_type>> std::priority_queue< _Tp, _Sequence, _Compare >::priority_queue
       (const _Compare &__x, const _Sequence &__s) [inline],  [explicit]
       Default constructor creates no elements.

       Definition at line 396 of file stl_queue.h.

       References std::make_heap().

   template<typename _Tp, typename _Sequence = vector<_Tp>, typename _Compare = less<typename
       _Sequence::value_type>> template<typename _InputIterator > std::priority_queue< _Tp,
       _Sequence, _Compare >::priority_queue (_InputIterator__first, _InputIterator__last, const
       _Compare &__x, const _Sequence &__s) [inline]
       Builds a queue from a range.

       Parameters:
           __first An input iterator.
           __last An input iterator.
           __x A comparison functor describing a strict weak ordering.
           __s An initial sequence with which to start.

       Begins by copying __s, inserting a copy of the elements from [first,last) into the copy of
       __s, then ordering the copy according to __x.

       For more information on function objects, see the documentation on functor base classes.

       Definition at line 436 of file stl_queue.h.

       References std::make_heap().

Member Function Documentation

   template<typename _Tp, typename _Sequence = vector<_Tp>, typename _Compare = less<typename
       _Sequence::value_type>> bool std::priority_queue< _Tp, _Sequence, _Compare >::empty ()
       const [inline]
       Returns true if the queue is empty.

       Definition at line 462 of file stl_queue.h.

       Referenced by __gnu_parallel::multiseq_partition(), and
       __gnu_parallel::multiseq_selection().

   template<typename _Tp, typename _Sequence = vector<_Tp>, typename _Compare = less<typename
       _Sequence::value_type>> void std::priority_queue< _Tp, _Sequence, _Compare >::pop ()
       [inline]
       Removes first element. This is a typical queue operation. It shrinks the queue by one. The
       time complexity of the operation depends on the underlying sequence.

       Note that no data is returned, and if the first element's data is needed, it should be
       retrieved before pop() is called.

       Definition at line 525 of file stl_queue.h.

       References std::pop_heap().

       Referenced by __gnu_parallel::multiseq_partition(), and
       __gnu_parallel::multiseq_selection().

   template<typename _Tp, typename _Sequence = vector<_Tp>, typename _Compare = less<typename
       _Sequence::value_type>> void std::priority_queue< _Tp, _Sequence, _Compare >::push (const
       value_type &__x) [inline]
       Add data to the queue.

       Parameters:
           __x Data to be added.

       This is a typical queue operation. The time complexity of the operation depends on the
       underlying sequence.

       Definition at line 490 of file stl_queue.h.

       References std::push_heap().

       Referenced by __gnu_parallel::multiseq_partition(), and
       __gnu_parallel::multiseq_selection().

   template<typename _Tp, typename _Sequence = vector<_Tp>, typename _Compare = less<typename
       _Sequence::value_type>> size_type std::priority_queue< _Tp, _Sequence, _Compare >::size ()
       const [inline]
       Returns the number of elements in the queue.

       Definition at line 467 of file stl_queue.h.

   template<typename _Tp, typename _Sequence = vector<_Tp>, typename _Compare = less<typename
       _Sequence::value_type>> const_reference std::priority_queue< _Tp, _Sequence, _Compare
       >::top () const [inline]
       Returns a read-only (constant) reference to the data at the first element of the queue.

       Definition at line 475 of file stl_queue.h.

       Referenced by __gnu_parallel::multiseq_partition(), and
       __gnu_parallel::multiseq_selection().

Author

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libstdc++                                Thustd::priority_queue< _Tp, _Sequence, _Compare >(3cxx)