1.\" Copyright (c) 1985, 1991 Regents of the University of California.
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
--- 12 unchanged lines hidden (view full) ---
21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26.\" SUCH DAMAGE.
27.\"
28.\" from: @(#)asinh.3 6.4 (Berkeley) 5/6/91
29.\" $FreeBSD: head/lib/msun/man/asinh.3 165906 2007-01-09 01:02:06Z imp $
30.\"
31.Dd May 6, 1991
32.Dt ASINH 3
33.Os
34.Sh NAME
35.Nm asinh ,
36.Nm asinhf
37.Nd inverse hyperbolic sine functions
38.Sh LIBRARY
39.Lb libm
40.Sh SYNOPSIS
41.In math.h
42.Ft double
43.Fn asinh "double x"
44.Ft float
45.Fn asinhf "float x"
46.Sh DESCRIPTION
47The
48.Fn asinh
49and the
50.Fn asinhf
51functions compute the inverse hyperbolic sine
52of the real
53argument
54.Ar x .
55For a discussion of error due to roundoff, see
56.Xr math 3 .
57.Sh RETURN VALUES
58The
59.Fn asinh
60and the
61.Fn asinhf
62functions
63return the inverse hyperbolic sine of
64.Ar x .
65.Sh SEE ALSO
66.Xr acosh 3 ,
67.Xr atanh 3 ,
68.Xr exp 3 ,
69.Xr math 3
70.Sh HISTORY
71The
72.Fn asinh
73function appeared in
74.Bx 4.3 .
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.
--- 12 unchanged lines hidden (view full) ---
21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26.\" SUCH DAMAGE.
27.\"
28.\" from: @(#)asinh.3 6.4 (Berkeley) 5/6/91
29.\" $FreeBSD: head/lib/msun/man/asinh.3 165906 2007-01-09 01:02:06Z imp $
30.\"
31.Dd May 6, 1991
32.Dt ASINH 3
33.Os
34.Sh NAME
35.Nm asinh ,
36.Nm asinhf
37.Nd inverse hyperbolic sine functions
38.Sh LIBRARY
39.Lb libm
40.Sh SYNOPSIS
41.In math.h
42.Ft double
43.Fn asinh "double x"
44.Ft float
45.Fn asinhf "float x"
46.Sh DESCRIPTION
47The
48.Fn asinh
49and the
50.Fn asinhf
51functions compute the inverse hyperbolic sine
52of the real
53argument
54.Ar x .
55For a discussion of error due to roundoff, see
56.Xr math 3 .
57.Sh RETURN VALUES
58The
59.Fn asinh
60and the
61.Fn asinhf
62functions
63return the inverse hyperbolic sine of
64.Ar x .
65.Sh SEE ALSO
66.Xr acosh 3 ,
67.Xr atanh 3 ,
68.Xr exp 3 ,
69.Xr math 3
70.Sh HISTORY
71The
72.Fn asinh
73function appeared in
74.Bx 4.3 .