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Issue No.07 - July (2000 vol.49)
pp: 628-637
ABSTRACT
<p><b>Abstract</b>—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” (almost full-length) multiplication. We propose a method, based on argument reduction and series expansion, that allows fast evaluation of these functions in high precision. The strength of this method is that the same scheme allows the computation of all these functions. We estimate the delay, the size/number of tables, and the size/number of multipliers and compare with other related methods.</p>
INDEX TERMS
Reciprocal, square root, inverse square root, logarithm, exponential, single-/double-precision operations, small multipliers, Taylor series.
CITATION
Milos D. Ercegovac, Tomás Lang, Jean-Michel Muller, Arnaud Tisserand, "Reciprocation, Square Root, Inverse Square Root, and Some Elementary Functions Using Small Multipliers", IEEE Transactions on Computers, vol.49, no. 7, pp. 628-637, July 2000, doi:10.1109/12.863031
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