1 .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
2 .\" Distributed under GPL
4 .TH CCOSH 3 2008-08-11 "" "Linux Programmer's Manual"
6 ccosh, ccoshf, ccoshl \- complex hyperbolic cosine
8 .B #include <complex.h>
10 .BI "double complex ccosh(double complex " z ");"
12 .BI "float complex ccoshf(float complex " z ");"
14 .BI "long double complex ccoshl(long double complex " z ");"
18 The complex hyperbolic cosine function is defined as:
21 ccosh(z) = (exp(z)+exp(\-z))/2
24 These functions first appeared in glibc in version 2.1.