Reciprocation, square root, inverse square root, and some elementary functions using small multipliers

Milos D. Ercegovac; Tomas Lang; Jean-Michel Muller; Arnaud Tisserand

doi:10.1117/12.325713

2 October 1998 Reciprocation, square root, inverse square root, and some elementary functions using small multipliers

Milos D. Ercegovac, Tomas Lang, Jean-Michel Muller, Arnaud Tisserand

Proceedings Volume 3461, Advanced Signal Processing Algorithms, Architectures, and Implementations VIII; (1998) https://doi.org/10.1117/12.325713
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

This paper deals with the computation of reciprocals, square roots, inverse square roots, and some elementary functions using small tables, small multipliers, and for some functions, a final 'large' multiplication. We propose a method that allows fast evaluation of these functions in double precision arithmetic.The strength of this method is that the same scheme allows the computation of all these functions.

Citation Download Citation

Milos D. Ercegovac, Tomas Lang, Jean-Michel Muller, and Arnaud Tisserand "Reciprocation, square root, inverse square root, and some elementary functions using small multipliers", Proc. SPIE 3461, Advanced Signal Processing Algorithms, Architectures, and Implementations VIII, (2 October 1998); https://doi.org/10.1117/12.325713

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