Item Value
Header filemath.h
Declarationfloat atanhf(float arg);double atanh(double arg);long double atanhl(long double arg);
Returnreturns the arc hyperbolic tangent of arg.
ParameterThis argument must be in the range -1 to 1.
#include
#include
int main(void)
{
printf("%f.\n", atanh(12));
return 0;
}
-1.#IND00.