Computes the complex arc hyperbolic sine.
#include <complex.h>
double complex casinh (z)
double complex z;
float complex casinhf (z)
float complex z;
long double complex casinhl (z)
long double complex z;The casinh, casinfh, and casinlh subroutines compute the complex arc hyperbolic sine of the z parameter, with branch cuts outside the interval [-i, +i] along the imaginary axis.
| Item | Description |
|---|---|
| z | Specifies the value to be computed. |
The casinh, casinfh, and casinlh subroutines return the complex arc hyperbolic sine value, in the range of a strip mathematically unbounded along the real axis and in the interval [-i pi/2, +i pi/2] along the imaginary axis.