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2005 IEEE International Conference on Application-Specific Systems, Architecture Processors (ASAP'05)
Variable Radix Real and Complex Digit-Recurrence Division
Samos, Greece
July 23-July 25
ISBN: 0-7695-2407-9
Milos D. Ercegovac, Computer Science Department, 4732 Boelter Hall University of California at Los Angeles Los Angeles, CA 90095, USA
Jean-Michel Muller, CNRS-Laboratoire CNRS-ENSL-INRIA-UCBL LIP Ecole Normale Sup?erieure de Lyon 46 All?ee d?Italie, 69364 Lyon Cedex 07, FRANCE

We propose a digit-recurrence algorithm for division in real and complex number domains using a variable radix. The objective of the approach is to simplify the prescaling of the operands by using a suitable low radix, and switch to higher radices in the remaining iterations to reduce their number. The prescaling is used to allow a simple quotientdigit selection by rounding of the residual. We discuss the algorithm, its implementation, and estimate its time and cost characteristics with respect to fixed high-radix division algorithms.

Citation:
Milos D. Ercegovac, Jean-Michel Muller, "Variable Radix Real and Complex Digit-Recurrence Division," asap, pp.316-321, 2005 IEEE International Conference on Application-Specific Systems, Architecture Processors (ASAP'05), 2005
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