.\" Modified 1995-08-14 by Arnt Gulbrandsen <agulbra@troll.no>
.\" Modified 2002-07-27 by Walter Harms
.\" (walter.harms@informatik.uni-oldenburg.de)
-.TH POW 3 2010-09-12 "" "Linux Programmer's Manual"
+.TH POW 3 2014-12-31 "" "Linux Programmer's Manual"
.SH NAME
pow, powf, powl \- power functions
.SH SYNOPSIS
.SH DESCRIPTION
The
.BR pow ()
-function returns the value of \fIx\fP raised to the
-power of \fIy\fP.
+function returns the value of
+.I x
+raised to the
+power of
+.IR y .
.SH RETURN VALUE
On success, these functions return the value of
.I x
also conforms to
SVr4, 4.3BSD, C89.
.SH BUGS
+On 64-bits,
+.\"
+.\" https://sourceware.org/bugzilla/show_bug.cgi?id=13932
+.BR pow ()
+may be more than 10,000 times slower for some (rare) inputs
+than for other nearby inputs.
+This affects only
+.BR pow (),
+and not
+.BR powf ()
+nor
+.BR powl ().
+
In glibc 2.9 and earlier,
.\"
.\" http://sources.redhat.com/bugzilla/show_bug.cgi?id=6776
.BR cbrt (3),
.BR cpow (3),
.BR sqrt (3)
+.SH COLOPHON
+This page is part of release 3.79 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.