asinh(3m)
NAME
asinh, acosh, atanh − inverse hyperbolic functions
SYNTAX
#include <math.h>
double asinh(x)
double x;
double acosh(x)
double x;
double atanh(x)
double x;
DESCRIPTION
These functions compute the designated inverse hyperbolic functions for real arguments.
DIAGNOSTICS
The function acosh returns 0.0 if the argument is less than 1.
The function atanh returns the HUGE value if the argument has absolute value greater than or equal to 1.