cosh.3 (3a8617a83f16ffc9db4f96e1f0f21af94078e6b1) cosh.3 (7a15a32a17f4c2cbeb6f842c4c6b1cf93e4639e7)
1.\" Copyright (c) 1989, 1991 The 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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25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" from: @(#)cosh.3 5.1 (Berkeley) 5/2/91
1.\" Copyright (c) 1989, 1991 The 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.

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

25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" from: @(#)cosh.3 5.1 (Berkeley) 5/2/91
33.\" $Id: cosh.3,v 1.4 1993/10/29 22:57:26 jtc Exp $
33.\" $Id: cosh.3,v 1.1.1.1 1994/08/19 09:39:42 jkh Exp $
34.\"
35.Dd May 2, 1991
36.Dt COSH 3
37.Os
38.Sh NAME
34.\"
35.Dd May 2, 1991
36.Dt COSH 3
37.Os
38.Sh NAME
39.Nm cosh
40.Nd hyperbolic cosine function
39.Nm cosh ,
40.Nm coshf
41.Nd hyperbolic cosine functions
41.Sh SYNOPSIS
42.Fd #include <math.h>
43.Ft double
44.Fn cosh "double x"
42.Sh SYNOPSIS
43.Fd #include <math.h>
44.Ft double
45.Fn cosh "double x"
46.Ft float
47.Fn cosh "float x"
45.Sh DESCRIPTION
46The
47.Fn cosh
48.Sh DESCRIPTION
49The
50.Fn cosh
48function computes the hyperbolic cosine of
51and the
52.Fn coshf
53functions compute the hyperbolic cosine of
49.Fa x .
50.Sh RETURN VALUES
51The
52.Fn cosh
54.Fa x .
55.Sh RETURN VALUES
56The
57.Fn cosh
53function returns the hyperbolic cosine unless the magnitude
58and the
59.Fn coshf
60functions return the hyperbolic cosine unless the magnitude
54of
55.Fa x
56is too large; in this event, the global variable
57.Va errno
58is set to
59.Er ERANGE .
60.Sh SEE ALSO
61.Xr acos 3 ,

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62.Fa x
63is too large; in this event, the global variable
64.Va errno
65is set to
66.Er ERANGE .
67.Sh SEE ALSO
68.Xr acos 3 ,

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