Computing (FOLDOC) dictionary
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programming (or "floating point underflow", "floating
underflow", after "
overflow") A condition that can occur
smaller in magnitude (closer to zero, either positive or
negative) than the smallest quantity representable. Underflow
10^127. A result less than 10^-128 would cause underflow.
Depending on the
processor, the programming language and the
combination of these effects. Alternatively, it may just be
ignored and zero substituted for the unrepresentable value,
cannot be so easily ignored.
(1997-08-25)