1 .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
3 .\" %%%LICENSE_START(GPL_NOVERSION_ONELINE)
4 .\" Distributed under GPL
7 .TH CCOSH 3 2017-09-15 "" "Linux Programmer's Manual"
9 ccosh, ccoshf, ccoshl \- complex hyperbolic cosine
11 .B #include <complex.h>
13 .BI "double complex ccosh(double complex " z ");"
15 .BI "float complex ccoshf(float complex " z ");"
17 .BI "long double complex ccoshl(long double complex " z ");"
21 These functions calculate the complex hyperbolic cosine of
24 The complex hyperbolic cosine function is defined as:
27 ccosh(z) = (exp(z)+exp(\-z))/2
30 These functions first appeared in glibc in version 2.1.
32 C99, POSIX.1-2001, POSIX.1-2008.