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Chapter 15. Boost.Heap

Tim Blechmann

Copyright © 2010, 2011 Tim Blechmann

Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Table of Contents

Introduction & Motivation
Concepts & Interface
Basic Priority Queue Interface
Priority Queue Iterators
Comparing Priority Queues & Equivalence
Merging Priority Queues
Mutability
Stability
Data Structures
Data Structure Configuration
Reference
Header <boost/heap/binomial_heap.hpp>
Header <boost/heap/d_ary_heap.hpp>
Header <boost/heap/fibonacci_heap.hpp>
Header <boost/heap/heap_concepts.hpp>
Header <boost/heap/heap_merge.hpp>
Header <boost/heap/pairing_heap.hpp>
Header <boost/heap/policies.hpp>
Header <boost/heap/priority_queue.hpp>
Header <boost/heap/skew_heap.hpp>
Acknowledgements

Introduction & Motivation

boost.heap is an implementation of priority queues. Priority queues are queue data structures, that order their elements by a priority. The STL provides a single template class std::priority_queue, which only provides a limited functionality. To overcome these limitations, boost.heap implements data structures with more functionality and different performance characteristics. Especially, it deals with additional aspects:

  • Mutability: The priority of heap elements can be modified.
  • Iterators: Heaps provide iterators to iterate all elements.
  • Mergable: While all heaps can be merged, some can be merged efficiently.
  • Stability: Heaps can be configured to be stable sorted.
  • Comparison: Heaps can be compared for equivalence.
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