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Issue No.01 - January (1995 vol.44)
pp: 155-161
ABSTRACT
<p><it>Abstract—</it>We propose a scheme for evaluating four commonly used functions namely, 1) inverse trigonometric functions, 2) trigonometric functions, 3) the exponential function, and 4) the logarithmic function with the help of a logarithmic number system (LNS) processor. A novel idea of <it>series folding</it> has been introduced for computing the above functions, expressed in the form of infinite series. We also show that with a suitable choice of the radix for the LNS we can evaluate exponential and logarithmic functions without using any extra hardware.</p><p><it>Index Terms—</it>Logarithmic number system, series folding, inverse trigonometric functions, arctangent function, trigonometric functions, exponential function, logarithmic function.</p>
CITATION
Debasish Das, Krishnendu Mukhopadhyaya, Bhabani P. Sinha, "Implementation of Four Common Functions on an LNS Co-Processor", IEEE Transactions on Computers, vol.44, no. 1, pp. 155-161, January 1995, doi:10.1109/12.367997
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