LOG1P(3) 1 LOG1P(3)
log1p - Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero
SYNOPSIS
float log1p (float $number)
DESCRIPTION
log1p(3) returns log(1 + $number) computed in a way that is accurate even when the value of $number is close to zero. log(3) might only
return log(1) in this case due to lack of precision.
PARAMETERS
o $number
- The argument to process
RETURN VALUES
log(1 + $number)
CHANGELOG
+--------+--------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+--------------------------------------------------+
| 5.3.0 | |
| | |
| | This function is now available on all platforms |
| | |
+--------+--------------------------------------------------+
SEE ALSO
expm1(3), log(3), log10(3).
PHP Documentation Group LOG1P(3)
