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Digital Arithmetic
book

Digital Arithmetic

by Miloš D. Ercegovac, Tomás Lang
September 2003
Intermediate to advanced content levelIntermediate to advanced
709 pages
26h 51m
English
Morgan Kaufmann
Content preview from Digital Arithmetic
Truncating Multiplier
219
4~
Saturating Multiplier
Integer multiplication of n-bit operands produces an integer of 2n bits. Some
applications in signal processing and graphics keep only n bits of the result and,
in case of a result larger than what can be represented with n bits (overflow),
saturate the result to the maximum representable value (2 ~ - 1 for magnitudes
and 2 n-1 - 1 and -2 n-1 for two's complement). These are called
saturating
multipliers.
The direct implementation incorporates a standard multiplier, a detection of
the overflow, and setting the result. Detection has two forms:
9 For magnitudes, overflow ...
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Publisher Resources

ISBN: 9781558607989