ccosh (3)
Leading comments
Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) %%%LICENSE_START(GPL_NOVERSION_ONELINE) Distributed under GPL %%%LICENSE_END
NAME
ccosh, ccoshf, ccoshl - complex hyperbolic cosineSYNOPSIS
#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
These functions calculate the complex hyperbolic cosine of z.The complex hyperbolic cosine function is defined as:
ccosh(z) = (exp(z)+exp(-z))/2