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
|
.\" 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 00:07:40 JST 2003
.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD: arc sine
.\"WORD: arc cosine ;
.\"WORD: arc tangent
.\"WORD: real part
.\"WORD: imaginary part
.\"
.TH CASIN 3 2002-07-28 "" "complex math routines"
.SH ̾
casin, casinf, casinl \- ʣǿε (arc sine)
.SH
.B #include <complex.h>
.sp
.BI "double complex casin(double complex " z );
.br
.BI "float complex casinf(float complex " z );
.br
.BI "long double complex casinl(long double complex " z );
.sp
\-lm ǥ롣
.SH
casin() ؿʣǿ asin() 롣
y = casin(z) ʤС z = csin(y) Ω롣
y μͤ϶ [-pi/2,pi/2] 롣
.LP
δطΩ: casin(z) = -i clog(iz+csqrt(1-z*z))
.SH
C99
.SH Ϣ
.BR ccos (3),
.BR clog (3),
.BR complex (5)
|
