.\" Modified 2002-07-27 by Walter Harms
.\" (walter.harms@informatik.uni-oldenburg.de)
.\"
-.TH ASINH 3 2010-09-20 "GNU" "Linux Programmer's Manual"
+.TH ASINH 3 2013-10-14 "GNU" "Linux Programmer's Manual"
.SH NAME
asinh, asinhf, asinhl \- inverse hyperbolic sine function
.SH SYNOPSIS
The
.BR asinh ()
function calculates the inverse hyperbolic sine of
-\fIx\fP; that is the value whose hyperbolic sine is \fIx\fP.
+.IR x ;
+that is the value whose hyperbolic sine is
+.IR x .
.SH RETURN VALUE
On success, these functions return the inverse hyperbolic sine of
.IR x .
.\" glibc 2.8 does not do this.
.SH ERRORS
No errors occur.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR asinh (),
+.BR asinhf (),
+and
+.BR asinhl ()
+functions are thread-safe.
.SH CONFORMING TO
C99, POSIX.1-2001.
The variant returning
.BR cosh (3),
.BR sinh (3),
.BR tanh (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/.