PHP log1p() Function

The log1p() function returns log(1+number), computed in a way that is accurate even when the value of number is close to zero.

float log1p ( float $number )

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.

Example -

ParameterDescription
numberThe argument to process

Return Values-

log(1 + number)