ASAP 2010 - 21st IEEE International Conference on Application-specific Systems, Architectures and Processors
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Abstract

We propose algorithms and provide some related results that make it possible to implement decimal floating-point arithmetic on a processor that does not have decimal operators, using the available binary floating-point functions. In this preliminary study, we focus on round-to-nearest mode only. We show that several functions in decimal32 and dec-imal64 arithmetic can be implemented using binary64 and binaryl28 floating-point arithmetic, respectively. We discuss the decimal square root and some transcendental functions. We also consider radix conversion algorithms.
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