PHP log1p() function

Complete PHP Math Reference

Definition and Usage

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

Syntax

log1p(x)

Tips and Notes

Note: This function is EXPERIMENTAL. This means that the behavior of this function and the name of this function may change without notice in a future version of PHP!

Complete PHP Math Reference

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