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SOWPODS
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TWL
Signum
Origin
Latin
Full definition of signum
Noun
signum
(
math
) A
function
that extracts the
sign
of a
real number
x
, yielding -1 if
x
is
negative
, +1 if
x
is
positive
, or 0 if
x
is
zero
.
Synonyms
signum function
sign function
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