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
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)