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Computer Arithmetic and Validity
book

Computer Arithmetic and Validity

by Ulrich Kulisch
April 2013
Intermediate to advanced content levelIntermediate to advanced
456 pages
16h 7m
English
De Gruyter
Content preview from Computer Arithmetic and Validity
220 Chapter 6 Implementation of floating-point arithmetic on a computer
6.10 Algorithms using the short accumulator
In the case ex ey r C 1 of the algorithm for the addition shown in Figure 6.18,
the mantissa my may be shifted to the right as many as r C1 digits. Thus the ensuing
addition, as described above, requires an accumulator of 2r C 1 digits after the point.
The multiplication algorithm commences with a correct calculation of the product of
the mantissas mx my . As with addition, this operation can be conveniently accommo-
dated within an accumulator of 2r C 1 digits after the point. However, we mentioned
at the beginning of this chapter ...
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Publisher Resources

ISBN: 9783110301731