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Issue No.03 - March (1996 vol.45)
pp: 328-339
ABSTRACT
<p><b>Abstract</b>—This paper presents new, fast hardware for computing the exponential function, sine, and cosine. The main new idea is to use low-precision arithmetic components to approximate high precision computations, and then to correct very quickly the approximation error periodically so that the effect is to get high precision computation at near low-precision speed. The algorithm used in the paper is a nontrivial modification of the well-known CORDIC algorithm, and might be applicable to the computation of other functions than the ones presented.</p>
INDEX TERMS
Exponential function, trigonometric functions, elementary functions, transcendental functions, CORDIC, division by convergence, high-precision VLSI computer arithmetic hardware, real-time graphics, navigation, control systems.
CITATION
Vitit Kantabutra, "On Hardware for Computing Exponential and Trigonometric Functions", IEEE Transactions on Computers, vol.45, no. 3, pp. 328-339, March 1996, doi:10.1109/12.485571
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