xref: /minix/lib/libm/complex/cimag.3 (revision ebfedea0)
1.\" $NetBSD: cimag.3,v 1.4 2012/12/27 21:34:10 wiz Exp $
2.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
3.Dd December 27, 2012
4.Dt CIMAG 3
5.Os
6.Sh NAME
7.Nm cimag ,
8.Nm cimagf ,
9.Nm cimagl
10.Nd complex imaginary functions
11.Sh SYNOPSIS
12.In complex.h
13.Ft double
14.Fn cimag "double complex z"
15.Ft float
16.Fn cimagf "float complex z"
17.Ft long double
18.Fn cimagl "long double complex z"
19.Sh DESCRIPTION
20These functions compute the imaginary part of
21.Ar z .
22.Sh RETURN VALUES
23These functions return the imaginary part value (as a real).
24.Sh ERRORS
25No errors are defined.
26.Sh APPLICATION USAGE
27For a variable
28.Ar z
29of complex type:
30.Bd -literal -offset indent
31z = creal(z) + cimag(z)*I
32.Ed
33.Sh SEE ALSO
34.Xr carg 3 ,
35.Xr conj 3 ,
36.Xr cproj 3 ,
37.Xr creal 3 ,
38.St -p1003.1-2001
39.Aq Pa complex.h
40.Sh COPYRIGHT
41Portions of this text are reprinted and reproduced in electronic form
42from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
43-- Portable Operating System Interface (POSIX), The Open Group Base
44Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
45Electrical and Electronics Engineers, Inc and The Open Group.
46In the
47event of any discrepancy between this version and the original IEEE and
48The Open Group Standard, the original IEEE and The Open Group Standard
49is the referee document.
50The original Standard can be obtained online at
51http://www.opengroup.org/unix/online.html .
52