date and time created 85/09/06 17:52:50 by zliu
[unix-history] / usr / src / lib / libm / common_source / sinh.3
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cd30a7d2 1.TH SINH 3M "7 August 1985"
6a716ef9 2.UC 4
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3.SH NAME
4sinh, cosh, tanh \- hyperbolic functions
5.SH SYNOPSIS
6.nf
7.B #include <math.h>
8.PP
9.B double sinh(x)
6a716ef9 10.B double x;
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11.PP
12.B double cosh(x)
13.B double x;
14.PP
15.B double tanh(x)
16.B double x;
17.fi
18.SH DESCRIPTION
5575ed22 19These functions compute the designated hyperbolic functions for real arguments.
6a716ef9 20.SH SEE ALSO
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21intro(3M), infnan(3M)
22.SH ERROR (due to Roundoff etc.)
23Below 2.4 \fIulp\fRs; an \fIulp\fR is one \fIU\fRnit in the \fIL\fRast
24\fIP\fRlace.
e1086724 25.SH DIAGNOSTICS
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26Sinh and cosh return the reserved operand on a VAX if
27the correct value would overflow.
6a716ef9 28.SH AUTHOR
cd30a7d2 29W. Kahan, Kwok\-Choi Ng