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Conference papers

Certified exact real arithmetic using co-induction in arbitrary integer base

Nicolas Julien 1
1 MARELLE - Mathematical, Reasoning and Software
CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : In this paper we describe some certified algorithms for exact real arithmetic based on co-recursion. Our work is based on previous experiences using redundant digits of base 2 but generalizes them using arbitrary integer bases. The goal is to take benefit of fast native integer computation. We extend a technique to compute converging series. We use this technique to compute the product and the inverse. We describe how we implement and certify our algorithms in the proof system Coq and evaluate the efficiency of the library inside the prover.
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Submitted on : Tuesday, January 8, 2008 - 9:21:13 AM
Last modification on : Thursday, January 20, 2022 - 5:30:47 PM
Long-term archiving on: : Tuesday, April 13, 2010 - 3:23:19 PM


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  • HAL Id : inria-00202744, version 1



Nicolas Julien. Certified exact real arithmetic using co-induction in arbitrary integer base. FLOPS 2008, Apr 2008, ISE, Japan. ⟨inria-00202744⟩



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