1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.\" Japanese Version Copyright (c) 2003 Akihiro MOTOKI
.\" all rights reserved.
.\" Translated Thu Jul 24 00:41:13 JST 2003
.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD: hyperbolic ж()
.\"WORD: arc sine
.\"WORD: arc cosine ;
.\"WORD: arc tangent
.\"WORD: real part
.\"WORD: imaginary part
.\"
.TH CASINH 3 2008-08-06 "" "Linux Programmer's Manual"
.SH ̾
casinh, casinhf, casinhl \- ʣǿεж (arc sine hyperbolic)
.SH
.B #include <complex.h>
.sp
.BI "double complex casinh(double complex " z );
.br
.BI "float complex casinhf(float complex " z );
.br
.BI "long double complex casinhl(long double complex " z );
.sp
\fI\-lm\fP ǥ롣
.SH
.BR casinh ()
ؿʣǿ
.I z
εж (arc hyperbolic sine) 롣
\fIy\ =\ casinh(z)\fP ʤС \fIz\ =\ csinh(y)\fP Ω롣
.I y
εͤ϶ [\-pi/2,pi/2] 롣
.LP
δطΩ:
.nf
casinh(z) = clog(z + csqrt(z * z + 1))
.fi
.SH С
δؿ glibc С 2.1 ǽо줷
.SH
C99.
.SH Ϣ
.BR asinh (3),
.BR cabs (3),
.BR cimag (3),
.BR complex (7)
|
