ATANH(3) | Library Functions Manual | ATANH(3) |
atanh
, atanhf
,
atanhl
—
#include <math.h>
double
atanh
(double
x);
float
atanhf
(float
x);
long double
atanhl
(long
double x);
atanh
(), atanhf
(), and
atanhl
() functions compute the inverse hyperbolic
tangent of the real argument x.
atanh
(x),
atanhf
(x), and
atanhl
(x) return +inf, -inf or
NaN, and sets the global variable errno to EDOM.
atanh
() function conforms to
ISO/IEC 9899:1999 (“ISO C99”).
atanh
() function appeared in
4.3BSD.
January 29, 2013 | NetBSD 9.0 |