sign — returns -1, 0, or 1 depending on the sign of its numerical
sign
(
|
num
numeric
); |
sign returns either -1, 0 or 1 depending whether its numeric argument is negative, zero or positive.
sign(-12) -> -1
sign(0) -> 0
sign(910) -> 1
sign(atof('-1.23456789')) -> -1
sign(0.0) -> 0
© OpenLink Software 2016 .
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