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A New Euclidean Division Algorithm for Residue Number Systems

Jean-Claude Bajard1, Laurent-Stéphane Didier1 and Jean-Michel Muller2

(1) Laboratoire d'Informatique de Marseille, CML, Université de Provence, 39 rue Joliot-Curie, 13453 Marseille Cedex, France
(2) CNRS, Laboratoire de l'Informatique du Parallélisme, 46 Allée d'Italie, 69364 Lyon Cedex 07, France

Abstract  We propose a new algorithm and architecture for performing divisions in residue number systems (RNS). Our algorithm is suitable for RNS with large moduli, with the aim of manipulating very large integers on a parallel computer or a special-purpose architecture. The two basic features of our algorithm are the use of a high-radix division method, and the use of a floating-point arithmetic that should run in parallel with the modular arithmetic.

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