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CCOSH(3) Linux Programmer's Manual CCOSH(3)

ccosh, ccoshf, ccoshl - complex hyperbolic cosine

#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.

These functions calculate the complex hyperbolic cosine of z.

The complex hyperbolic cosine function is defined as:

    ccosh(z) = (exp(z)+exp(-z))/2

These functions first appeared in glibc in version 2.1.

C99, POSIX.1-2001, POSIX.1-2008.

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

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2017-09-15