36 lines
853 B
Groff
36 lines
853 B
Groff
.\" Copyright (c) 1985 Regents of the University of California.
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.\" All rights reserved. The Berkeley software License Agreement
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.\" specifies the terms and conditions for redistribution.
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.\"
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.\" @(#)sinh.3m 6.5 (Berkeley) 5/12/86
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.\"
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.TH SINH 3M "May 12, 1986"
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.UC 4
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.SH NAME
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sinh, cosh, tanh \- hyperbolic functions
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.SH SYNOPSIS
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.nf
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.B #include <math.h>
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.PP
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.B double sinh(x)
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.B double x;
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.PP
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.B double cosh(x)
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.B double x;
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.PP
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.B double tanh(x)
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.B double x;
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.fi
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.SH DESCRIPTION
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These functions compute the designated hyperbolic functions for real arguments.
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.SH ERROR (due to Roundoff etc.)
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Below 2.4 \fIulp\fRs; an \fIulp\fR is one \fIU\fRnit in the \fIL\fRast
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\fIP\fRlace.
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.SH DIAGNOSTICS
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Sinh and cosh return the reserved operand on a VAX if
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the correct value would overflow.
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.SH SEE ALSO
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math(3M), infnan(3M)
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.SH AUTHOR
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W. Kahan, Kwok\-Choi Ng
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