A VLSI architecture for fast and accurate floating-point sine/cosine evaluation

V. Paliouras, K. Karagianni, T. Stouraitis

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

A VLSI architecture for fast and accurate floatingpoint sine/cosine evaluation is presented, combining floating-point and simple fixed-point arithmetic. The algorithm implemented by the architecture is based on second-order polynomial interpolation. The exploitation of certain properties of the trigonometric functions and of specific bit patterns which appear in the involved computations, has led to a 40% memory size reduction and low overall hardware complexity. The time required to evaluate a sine is less than the time required for three singleprecision floating-point MACs, while the computed sines and cosines are guaranteed to be accurate to half an ulp (unit in last position).

Original languageBritish English
Title of host publicationProceedings of the IEEE International Conference on Electronics, Circuits, and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages473-476
Number of pages4
ISBN (Electronic)0780350081
DOIs
StatePublished - 1998
Event5th IEEE International Conference on Electronics, Circuits and Systems, ICECS 1998 - Lisboa, Portugal
Duration: 7 Sep 199810 Sep 1998

Publication series

NameProceedings of the IEEE International Conference on Electronics, Circuits, and Systems
Volume1

Conference

Conference5th IEEE International Conference on Electronics, Circuits and Systems, ICECS 1998
Country/TerritoryPortugal
CityLisboa
Period7/09/9810/09/98

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