TANH(3)                 NetBSD Library Functions Manual                TANH(3)

NAME
     tanh, tanhf -- hyperbolic tangent function

LIBRARY
     Math Library (libm, -lm)

SYNOPSIS
     #include <math.h>

     double
     tanh(double x);

     float
     tanhf(float x);

DESCRIPTION
     The tanh() and tanhf() functions compute the hyperbolic tangent of x.
     For a discussion of error due to roundoff, see math(3).

RETURN VALUES
     The tanh() function returns the hyperbolic tangent value.

SEE ALSO
     acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), math(3), sin(3),
     sinh(3), tan(3)

STANDARDS
     The tanh() function conforms to ANSI X3.159-1989 (``ANSI C89'').

NetBSD 5.0_STABLE                 May 2, 1991                NetBSD 5.0_STABLE
