.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk
.\" <mtk.manpages@gmail.com>
+.\"
+.\" %%%LICENSE_START(GPL_NOVERSION_ONELINE)
.\" Distributed under GPL
+.\" %%%LICENSE_END
.\"
-.TH FMAX 3 2008-08-11 "" "Linux Programmer's Manual"
+.TH FMAX 3 2013-09-17 "" "Linux Programmer's Manual"
.SH NAME
fmax, fmaxf, fmaxl \- determine maximum of two floating-point numbers
.SH SYNOPSIS
.BR fmax (),
.BR fmaxf (),
.BR fmaxl ():
-_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE; or
+.RS 4
+_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
+_POSIX_C_SOURCE\ >=\ 200112L;
+.br
+or
.I cc\ -std=c99
-.ad b
+.RE
+.ad
.SH DESCRIPTION
These functions return the larger value of
.I x
No errors occur.
.SH VERSIONS
These functions first appeared in glibc in version 2.1.
-.SH "CONFORMING TO"
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR fmax (),
+.BR fmaxf (),
+and
+.BR fmaxl ()
+functions are thread-safe.
+.SH CONFORMING TO
C99, POSIX.1-2001.
-.SH "SEE ALSO"
+.SH SEE ALSO
.BR fmin (3)
+.SH COLOPHON
+This page is part of release 3.65 of the Linux
+.I man-pages
+project.
+A description of the project,
+and information about reporting bugs,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.