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Fast Sign Detection for RNS (2^{n}-1,2^{n},2^{n}+1)

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1 Author(s)
Tomczak, T. ; Inst. of Comput., Wroclaw Univ. of Technol., Warsaw

In this paper, we propose a fast algorithm for sign-extraction of a number given in the Residue Number System (2n-1,2n,2n+1) . The algorithm can be implemented using three n-bit wide additions, two of which can be done in parallel. It can be used in a wide variety of problems, i.e., in algorithms for dividing numbers in the RNS, or in evaluating the sign of determinant in computational geometry, etc.

Published in:

Circuits and Systems I: Regular Papers, IEEE Transactions on  (Volume:55 ,  Issue: 6 )

Date of Publication:

July 2008

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