(PHP 4 >= 4.1.0, PHP 5)
log1p — Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero
log1p() returns log(1 + number) computed in a way that is accurate even when the value of number is close to zero. log() might only return log(1) in this case due to lack of precision.
The argument to process
log(1 + number)
| Версия | Описание |
|---|---|
| 5.3.0 | This function is now available on all platforms |