комплексный гиперболический косинус (complex hyperbolic cosine)
Имя (Name)
ccosh, ccoshf, ccoshl - complex hyperbolic cosine
Синопсис (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.
Описание (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
Версии (Versions)
These functions first appeared in glibc in version 2.1.
Стандарты (Conforming to)
C99, POSIX.1-2001, POSIX.1-2008.
Смотри также (See also)
cabs(3), cacosh(3), csinh(3), ctanh(3), complex(7)
