1 .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
2 .\" Distributed under GPL
4 .\" Japanese Version Copyright (c) 2003 Akihiro MOTOKI
5 .\" all rights reserved.
6 .\" Translated Thu Jul 24 00:43:35 JST 2003
7 .\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
9 .\"WORD: hyperbolic ÁжÊ(Àþ¤Î)
10 .\"WORD: arc sine µÕÀµ¸¹
11 .\"WORD: arc cosine µÕ;¸¹
12 .\"WORD: arc tangent µÕÀµÀÜ
13 .\"WORD: real part ¼ÂÉô
14 .\"WORD: imaginary part µõÉô
16 .TH CATANH 3 2008-08-06 "" "Linux Programmer's Manual"
18 catanh, catanhf, catanhl \- Ê£ÁÇ¿ô¤ÎµÕÁжÊÀþÀµÀÜ (arc tangents hyperbolic)
20 .B #include <complex.h>
22 .BI "double complex catanh(double complex " z );
24 .BI "float complex catanhf(float complex " z );
26 .BI "long double complex catanhl(long double complex " z );
28 \fI\-lm\fP ¤Ç¥ê¥ó¥¯¤¹¤ë¡£
33 ¤ÎµÕÁжÊÀþÀµ¸¹ (arc hyperbolic tangent) ¤ò·×»»¤¹¤ë¡£
34 \fIy = catanh(z)\fP ¤Ê¤é¤Ð¡¢ \fIz = ctanh(y)\fP ¤¬À®Î©¤¹¤ë¡£
36 ¤ÎµõÉô¤ÎÃͤ϶è´Ö [\-pi/2,pi/2] ¤«¤éÁªÂò¤µ¤ì¤ë¡£
41 catanh(z) = 0.5 * clog((1 + z) / (1 \- z))
44 ¤³¤ì¤é¤Î´Ø¿ô¤Ï glibc ¥Ð¡¼¥¸¥ç¥ó 2.1 ¤Ç½é¤á¤ÆÅо줷¤¿¡£