asinh.3 (ee7093a6400feef3d8a99579f28577817d70f6ad) asinh.3 (998b640bcbca4ff197daf30fcff18d33889a7a0b)
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.

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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.\" $FreeBSD$
30.\"
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.

--- 14 unchanged lines hidden (view full) ---

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.\" $FreeBSD$
30.\"
31.Dd May 6, 1991
31.Dd June 9, 2013
32.Dt ASINH 3
33.Os
34.Sh NAME
35.Nm asinh ,
32.Dt ASINH 3
33.Os
34.Sh NAME
35.Nm asinh ,
36.Nm asinhf
36.Nm asinhf ,
37.Nm asinhl
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"
38.Nd inverse hyperbolic sine functions
39.Sh LIBRARY
40.Lb libm
41.Sh SYNOPSIS
42.In math.h
43.Ft double
44.Fn asinh "double x"
45.Ft float
46.Fn asinhf "float x"
47.Ft long double
48.Fn asinhl "long double x"
46.Sh DESCRIPTION
47The
49.Sh DESCRIPTION
50The
48.Fn asinh
49and the
50.Fn asinhf
51.Fn asinh ,
52.Fn asinhf ,
53and
54.Fn asinhl
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
55functions compute the inverse hyperbolic sine
56of the real
57argument
58.Ar x .
59For a discussion of error due to roundoff, see
60.Xr math 3 .
61.Sh RETURN VALUES
58The
59.Fn asinh
60and the
61.Fn asinhf
62functions
62These functions
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
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 .
72.Fn asinh ,
73.Fn asinhf ,
74and
75.Fn asinhl
76functions appeared in
77.Bx 4.3 ,
78.Fx 2.0 ,
79and
80.Fx 10.0 ,
81respectively.