Compact numerical function generators based on quadratic approximation: architecture and synthesis method
Butler, Jon T.
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This paper presents an architecture and a synthesis method for compact numerical function generators (NFGs) for trigonometric, logarithmic, square root, reciprocal, and combinations of these functions. Our NFG partitions a given domain of the function into non-uniform segments using an LUT cascade, and approximates the given function by a quadratic polynomial for each segment...
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E89-A, No.12, Dec. 2006, pp.3510-3518,Special Section on VLSI Design and CAD Algorithms.This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. As such, it is in the public domain, and under the provisions of Title 17, United States Code, Section 105, may not be copyrighted.
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