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Name

ccosh, ccoshf, ccoshl - complex hyperbolic cosine

Library

Math library ( libm ", " -lm )

Synopsis

#include <complex.h> 
double complex ccosh(double complex  z );
float complex ccoshf(float complex  z );
long double complex ccoshl(long double complex  z );

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

Standards

C11, POSIX.1-2008.

History

glibc 2.1. C99, POSIX.1-2001.

See Also

  1. cabs(3),
  2. cacosh(3),
  3. csinh(3),
  4. ctanh(3),
  5. complex(7)