tanhl3
Hyperbolic tangent functions
Part of tanh(3).
Usage
#include <math.h>
double
tanh(double x);
float
tanhf(float x);
long double
tanhl(long double x);
Library
Math Library (libm, -lm)
Overview
The tanh(), tanhf(), and tanhl() functions compute the hyperbolic tangent of x. For a discussion of error due to roundoff, see math(3).
Return values
The tanh(), tanhf(), and the tanhl() functions return the hyperbolic tangent value.
Releases
29 releases since FreeBSD 10.1-RELEASE; the text changed 17 times.