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.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.\" Japanese Version Copyright (c) 2003 Akihiro MOTOKI
.\" all rights reserved.
.\" Translated 2003-07-23, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\" Updated 2005-02-21, Akihiro MOTOKI
.\"
.\"WORD: hyperbolic ж()
.\"WORD: sine
.\"WORD: cosine ;
.\"WORD: tangent
.\"
.TH CTANH 3 2008-08-11 "" "Linux Programmer's Manual"
.SH ̾
ctanh, ctanhf, ctanhl \- ʣǿж (hyperbolic tangent)
.SH
.B #include <complex.h>
.sp
.BI "double complex ctanh(double complex " z ");"
.br
.BI "float complex ctanhf(float complex " z );
.br
.BI "long double complex ctanhl(long double complex " z ");"
.sp
\fI\-lm\fP ǥ롣
.SH
ʣǿж (hyperbolic tangent) ؿϰʲΤ褦롣
.nf
ctanh(z) = csinh(z) / ccosh(z)
.fi
.SH С
δؿ glibc С 2.1 ǽо줷
.SH
C99.
.SH Ϣ
.BR cabs (3),
.BR ccosh (3),
.BR csinh (3),
.BR complex (7)
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