xref: /csrg-svn/lib/libm/common_source/sinh.3 (revision 28017)
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@(#)sinh.3 6.5 (Berkeley) 05/12/86

SINH 3M ""
C 4
NAME
sinh, cosh, tanh - hyperbolic functions
SYNOPSIS
 #include <math.h> 

double sinh(x) double x;

double cosh(x) double x;

double tanh(x) double x;

DESCRIPTION
These functions compute the designated hyperbolic functions for real arguments.
ERROR (due to Roundoff etc.)
Below 2.4 ulps; an ulp is one Unit in the Last Place.
DIAGNOSTICS
Sinh and cosh return the reserved operand on a VAX if the correct value would overflow.
SEE ALSO
math(3M), infnan(3M)
AUTHOR
W. Kahan, Kwok-Choi Ng