csinhf, csinh, csinhl

< c‎ | numeric‎ | complex
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Defined in header <complex.h>
float complex       csinhf( float complex z );
(since C99)
double complex      csinh( double complex z );
(since C99)
long double complex csinhl( long double complex z );
(since C99)

Computes the complex hyperbolic sine of z.


[edit] Parameters

z - complex argument

[edit] Return value

The complex hyperbolic sine of z.

[edit] Example

#include <stdio.h>
#include <complex.h>
#include <math.h>
#define PI acos(-1)
int main(void)
    double complex z;
    /* Hyperbolic functions are periodic with respect to the imaginary component. */
    /* The period of sinh is 2*pi*i.                                              */
    z = csinh(0.0+0.0*PI*I);
    printf("csinh(0.0+0*PI*I) ==> %f%+fi\n", creal(z),cimag(z));
    z = csinh(0.0 + 2*PI*I);
    printf("csinh(0.0+2*PI*I) ==> %f%+fi\n", creal(z),cimag(z));
    z = csinh(0.0 + 4*PI*I);
    printf("csinh(0.0+4*PI*I) ==> %f%+fi\n", creal(z),cimag(z));
    return 0;


csinh(0.0+0*PI*I) ==> 0.000000+0.000000i
csinh(0.0+2*PI*I) ==> 0.000000-0.000000i
csinh(0.0+4*PI*I) ==> 0.000000-0.000000i

[edit] See also

computes the complex hyperbolic cosine
(function) [edit]
computes the complex hyperbolic tangent
(function) [edit]
computes the complex arc hyperbolic sine
(function) [edit]
computes hyperbolic sine (sh(x))
(function) [edit]