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- W2068488786 abstract "An algorithm and architecture for powering computation and root extraction, with fixed-point and floating-point exponents, is presented in this paper. The algorithm is based on an optimized iterative sequence of parallel and/or overlapped operations: 1) reciprocal, 2) high-radix digit-recurrence logarithm, 3) left-to-right carry-free multiplication, and 4) high-radix online exponential. A redundant number system is used to allow for the overlapping of the different operations of the algorithm. As the logarithm and exponential are part of the sequence of operations, some minor changes are made to allow for the independent computation of the logarithm and exponential functions. A sequential implementation of the algorithm is proposed and the execution times and hardware requirements are estimated for single and double-precision floating-point computations. These estimates are obtained for several radices, according to an approximate model for the delay and area of the main logic blocks, and help to determine the radix values, which lead to the most efficient implementations." @default.
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- W2068488786 date "2013-09-01" @default.
- W2068488786 modified "2023-09-25" @default.
- W2068488786 title "Iterative Algorithm and Architecture for Exponential, Logarithm, Powering, and Root Extraction" @default.
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- W2068488786 doi "https://doi.org/10.1109/tc.2012.247" @default.
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