| .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) |
| .\" |
| .\" %%%LICENSE_START(GPL_NOVERSION_ONELINE) |
| .\" Distributed under GPL |
| .\" %%%LICENSE_END |
| .\" |
| .TH CCOSH 3 2021-03-22 "" "Linux Programmer's Manual" |
| .SH NAME |
| ccosh, ccoshf, ccoshl \- complex hyperbolic cosine |
| .SH SYNOPSIS |
| .nf |
| .B #include <complex.h> |
| .PP |
| .BI "double complex ccosh(double complex " z ");" |
| .BI "float complex ccoshf(float complex " z ");" |
| .BI "long double complex ccoshl(long double complex " z ");" |
| .PP |
| Link with \fI\-lm\fP. |
| .fi |
| .SH DESCRIPTION |
| These functions calculate the complex hyperbolic cosine of |
| .IR z . |
| .PP |
| The complex hyperbolic cosine function is defined as: |
| .PP |
| .nf |
| ccosh(z) = (exp(z)+exp(\-z))/2 |
| .fi |
| .SH VERSIONS |
| These functions first appeared in glibc in version 2.1. |
| .SH CONFORMING TO |
| C99, POSIX.1-2001, POSIX.1-2008. |
| .SH SEE ALSO |
| .BR cabs (3), |
| .BR cacosh (3), |
| .BR csinh (3), |
| .BR ctanh (3), |
| .BR complex (7) |