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.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.TH CCOSH 3 2002-07-28 "" "complex math routines"
.SH NAME
ccosh, ccoshf, ccoshl \- complex hyperbolic cosine
.SH SYNOPSIS
.B #include <complex.h>
.sp
.BI "double complex ccosh(double complex " z ");"
.sp
.BI "float complex ccoshf(float complex " z ");"
.sp
.BI "long double complex ccoshl(long double complex " z ");"
.sp
Link with \-lm.
.SH DESCRIPTION
The complex hyperbolic cosine function ccosh(z) is defined as
(exp(z)+exp(-z))/2.
.SH "CONFORMING TO"
C99
.SH "SEE ALSO"
.BR cabs (3),
.BR csinh (3),
.BR ctanh (3),
.BR complex (5)
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