.\"
.\" $FreeBSD$
.Dd June 3, 2013
.Dd September 2, 2019
.Dt LOG 3
.Os
.Sh NAME
.Fn log1pl
functions conform to
.St -isoC-99 .
-
.Sh HISTORY
The
.Fn log
functions first appeared in
.At v1 ;
.Fn log10
in
.At v7 ;
.Fn log1p
.Bx 4.3 .