ccosh, ccoshf, ccoshl - complex hyperbolic cosine
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.
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