log1p
(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
log1p — Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero
Description
log1p(float
$num): float
log1p() returns log(1 +
num) computed in a way that is accurate even
when the value of num is close to zero.
log() might only return log(1) in this case
due to lack of precision.
Parameters
-
num -
The argument to process
Return Values
log(1 + num)
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