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.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.TH CIMAG 3 2007-12-23 "" "Linux Programmer's Manual"
.SH NAME
cimag, cimagf, cimagl \- get imaginary part of a complex number
.SH SYNOPSIS
.B #include <complex.h>
.sp
.BI "double cimag(double complex " z ");"
.br
.BI "float cimagf(float complex " z ");"
.br
.BI "long double cimagl(long double complex " z ");"
.sp
Link with \fI\-lm\fP.
.SH DESCRIPTION
The
.BR cimag ()
function returns the imaginary part of the complex number
.IR z .
.LP
One has:
.nf
z = creal(z) + I * cimag(z)
.fi
.SH "CONFORMING TO"
C99.
.SH NOTES
gcc also supports __imag__.
That is a GNU extension.
.SH "SEE ALSO"
.BR cabs (3),
.BR creal (3),
.BR complex (7)
.SH COLOPHON
This page is part of release 3.05 of the Linux
.I man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
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