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Name

ccosh, ccoshf, ccoshl - complex hyperbolic cosine

Synopsis

#include <complex.h>

double complex ccosh(double complex z);
float complex ccoshf(float complex z);
long double complex ccoshl(long double complex z);

Link with -lm.

Description

The complex hyperbolic cosine function is defined as: 
    ccosh(z) = (exp(z)+exp(-z))/2

Versions

These functions first appeared in glibc in version 2.1.

Conforming to

C99.

See Also

cabs(3) , cacosh(3) , csinh(3) , ctanh(3) , complex(7)

Colophon

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