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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 Thu Jul 24 00:47:23 JST 2003
.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.\"WORD: square root ʿ
.\"WORD: branch cut ʬ
.\"
.TH CSQRT 3 2002-07-28 "" "complex math routines"
.SH ̾
csqrt, csqrtf, csqrtl \- ʣǿʿ
.SH
.B #include <complex.h>
.sp
.BI "double complex csqrt(double complex " z ");"
.br
.BI "float complex csqrtf(float complex " z ");"
.br
.BI "long double complex csqrtl(long double complex " z ");"
.sp
\-lm ǥ롣
.SH
Ϳ줿ʣǿʿ롣
âʿΤ¿֤ͤ
¼ʬ˱äʬ (branch cut) 롣
(Ĥޤꡢ eps μ¿Ȥ硢 csqrt(-1+eps*I)
I ˶դƤ csqrt(-1-eps*I) -I ˶դƤ
ȤȤǤ롣)
.SH
C99
.SH Ϣ
.BR cabs (3),
.BR cexp (3),
.BR complex (5)
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