CCOSH

Section: Linux Programmer's Manual (3)
Updated: 2008-08-11
Index Return to Main Contents
 

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), csinh(3), ctanh(3), complex(7)  

COLOPHON

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