Densely packed decimal encoding
IEE Proceedings - Computers and Digital Techniques2002Vol. 149(3), pp. 102–102
Citations Over TimeTop 25% of 2002 papers
Abstract
Chen–Ho encoding is a lossless compression of three binary coded decimal digits into 10 bits using an algorithm which can be applied or reversed using only simple Boolean operations. An improvement tothe encoding which has the same advantages but is not limited to multiples of three digits is described. The new encoding allows arbitrary-length decimal numbers to be coded efficiently while keeping decimal digit boundaries accessible. This in turn permits efficient decimal arithmetic and makes the best use of available resources such as storage or hardware registers.
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