Closest Pair of Points Algorithms

Martin Rau 📧 and Tobias Nipkow 🌐

January 13, 2020

Abstract

This entry provides two related verified divide-and-conquer algorithms solving the fundamental Closest Pair of Points problem in Computational Geometry. Functional correctness and the optimal running time of O(n log n) are proved. Executable code is generated which is empirically competitive with handwritten reference implementations.

License

BSD License

History

April 14, 2020
Incorporate Time_Monad of the AFP entry Root_Balanced_Tree.

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Session Closest_Pair_Points

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Cite

× 
@article{Closest_Pair_Points-AFP,
  author  = {Martin Rau and Tobias Nipkow},
  title   = {Closest Pair of Points Algorithms},
  journal = {Archive of Formal Proofs},
  month   = {January},
  year    = {2020},
  note    = {\url{https://isa-afp.org/entries/Closest_Pair_Points.html},
             Formal proof development},
  ISSN    = {2150-914x},
}
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