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Simple Seed Architectures for Reciprocal and Square Root Reciprocal

Milos Ercegovac 1 Jean-Michel Muller Arnaud Tisserand
1 ARENAIRE - Computer arithmetic
Inria Grenoble - Rhône-Alpes, LIP - Laboratoire de l'Informatique du Parallélisme
Abstract : This report presents a simple hardware architecture for computing the seed values for reciprocal and square root reciprocal. These seeds are used in the initialization of floating-point division and square root software iterations. The proposed solution is based on polynomial approximation with specific coefficients and a table lookup. The obtained architectures lead to small and fast circuits.
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https://hal.inria.fr/inria-00070298
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Submitted on : Friday, May 19, 2006 - 7:57:50 PM
Last modification on : Friday, February 4, 2022 - 3:14:40 AM
Long-term archiving on: : Sunday, April 4, 2010 - 8:52:21 PM

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  • HAL Id : inria-00070298, version 1

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Milos Ercegovac, Jean-Michel Muller, Arnaud Tisserand. Simple Seed Architectures for Reciprocal and Square Root Reciprocal. RR-5720, INRIA. 2005, pp.25. ⟨inria-00070298⟩

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