Simple Seed Architectures for Reciprocal and Square-Root Reciprocal

Jean-Michel Muller; Arnaud Tisserand; Milos Ercegovac

Simple Seed Architectures for Reciprocal and Square-Root Reciprocal

Jean-Michel Muller ¹ Arnaud Tisserand ² Milos Ercegovac ³

1 LIP - Laboratoire de l'Informatique du Parallélisme

2 ARITH - Arithmétique informatique

LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier

3 Digital Arithmetic and Reconfigurable Architecture Laboratory

Abstract : This paper presents a simple hardware architecture for computing the seed values for reciprocal and square root reciprocal. These seeds are used in the intitialization of floating-point division and square root software iterations. The proposed solution is based on polynomial approximation with specific coefficients and a table lookup.

Keywords : newton-raphson iteration division square root floating point arithmetic

Document type :

Conference papers

Domain :

Computer Science [cs] / Other [cs.OH]

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https://hal-ens-lyon.archives-ouvertes.fr/ensl-00087002
Contributor : Jean-Michel Muller <>
Submitted on : Thursday, July 20, 2006 - 4:52:14 PM
Last modification on : Wednesday, August 7, 2019 - 12:14:40 PM
Long-term archiving on : Monday, April 5, 2010 - 10:09:19 PM

Simple Seed Architectures for Reciprocal and Square-Root Reciprocal

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Simple Seed Architectures for Reciprocal and Square-Root Reciprocal

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359

181

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