Annotation of src/lib/libm/man/cosh.3, Revision 1.12
1.1 cgd 1: .\" Copyright (c) 1989, 1991 The Regents of the University of California.
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1.2 mycroft 32: .\" from: @(#)cosh.3 5.1 (Berkeley) 5/2/91
1.12 ! ross 33: .\" $NetBSD: cosh.3,v 1.11 1999/08/15 22:23:54 kleink Exp $
1.1 cgd 34: .\"
35: .Dd May 2, 1991
36: .Dt COSH 3
37: .Os
38: .Sh NAME
1.11 kleink 39: .Nm cosh ,
40: .Nm coshf
1.6 jtc 41: .Nd hyperbolic cosine function
1.10 perry 42: .Sh LIBRARY
43: .Lb libm
1.1 cgd 44: .Sh SYNOPSIS
1.12 ! ross 45: .Fd #include \*[Lt]math.h\*[Gt]
1.1 cgd 46: .Ft double
47: .Fn cosh "double x"
1.5 jtc 48: .Ft float
49: .Fn coshf "float x"
1.1 cgd 50: .Sh DESCRIPTION
51: The
52: .Fn cosh
1.5 jtc 53: and
54: .Fn coshf
55: functions compute the hyperbolic cosine of
1.1 cgd 56: .Fa x .
57: .Sh RETURN VALUES
1.7 christos 58: If the magnitude of x is too large,
59: .Fn cosh "x"
60: and
61: .Fn coshf "x"
62: .\" POSIX_MODE
63: return Inf and sets the global variable
64: .Va errno
65: to ERANGE.
66: .\" SYSV_MODE
67: .\" call
68: .\" .Xr matherr 3 .
1.1 cgd 69: .Sh SEE ALSO
70: .Xr acos 3 ,
71: .Xr asin 3 ,
72: .Xr atan 3 ,
73: .Xr atan2 3 ,
74: .Xr cos 3 ,
75: .Xr sin 3 ,
76: .Xr sinh 3 ,
77: .Xr tan 3 ,
78: .Xr tanh 3 ,
1.7 christos 79: .Xr math 3
80: .\" .Xr matherr 3
1.8 kleink 81: .Sh STANDARDS
82: The
83: .Fn cosh
84: function conforms to
85: .St -ansiC .
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