.\" Modified Sat Jul 24 19:42:04 1993 by Rik Faith (faith@cs.unc.edu)
.\" Added fabsl, fabsf, aeb, 2001-06-07
.\"
-.TH FABS 3 2010-09-20 "" "Linux Programmer's Manual"
+.TH FABS 3 2013-07-10 "" "Linux Programmer's Manual"
.SH NAME
fabs, fabsf, fabsl \- absolute value of floating-point number
.SH SYNOPSIS
.RE
.ad b
.SH DESCRIPTION
-The
-.BR fabs ()
-functions return the absolute value of the floating-point
-number \fIx\fP.
+These functions return the absolute value of the floating-point
+number
+.IR x .
.SH RETURN VALUE
These functions return the absolute value of
.IR x .
is negative infinity or positive infinity, positive infinity is returned.
.SH ERRORS
No errors occur.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR fabs (),
+.BR fabsf (),
+and
+.BR fabsl ()
+functions are thread-safe.
.SH CONFORMING TO
C99, POSIX.1-2001.
The variant returning
.BR floor (3),
.BR labs (3),
.BR rint (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/.