NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ATTRIBUTES | SEE ALSO | STANDARDS
#include <math.h>double tanh(double x);
The tanh function computes the hyperbolic tangent of x. For a discussion of errors due to rounding up, see math(3).
The tanh function returns the hyperbolic tangent value.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
Interface Stability | Evolving |
The tanh function conforms to ANSI-C.
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ATTRIBUTES | SEE ALSO | STANDARDS