ACOSH(3) | Library Functions Manual | ACOSH(3) |
acosh
, acoshf
,
acoshl
—
#include <math.h>
double
acosh
(double
x);
float
acoshf
(float
x);
long double
acoshl
(long
double x);
acosh
(), acoshf
(), and
acoshl
() functions compute the inverse hyperbolic
cosine of the real argument x.
acosh
(x),
acoshf
(x), and
acoshl
(x) return NaN and set the
global variable errno to EDOM.
acosh
() function conforms to
ISO/IEC 9899:1999 (“ISO C99”).
acosh
() function appeared in
4.3BSD.
January 29, 2013 | NetBSD 9.0 |