Hardware Reciprocation using Degree-3 Polynomials but Only 1 Complete MultiplicationReport as inadecuate




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1 ARITH - Arithmétique informatique LIRMM - Laboratoire d-Informatique de Robotique et de Microélectronique de Montpellier

Abstract : This paper presents a dedicated operator for the reciprocal evaluation in hardware. It uses a degree-3 polynomial approximation that only requires one complete multiplication and a small number of additions or subtractions. The polynomial approximation is determined using a specific method for the choice of the coefficients and the splitting of the input interval. This leads to small and fast FPGA implementations.

Keywords : computer arithmetic reciprocal polynomial approximation





Author: Arnaud Tisserand -

Source: https://hal.archives-ouvertes.fr/



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