CIMAG
Section: Linux Programmer's Manual (3)
Updated: 2008-08-11
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NAME
cimag, cimagf, cimagl - get imaginary part of a complex number
SYNOPSIS
#include <complex.h>
double cimag(double complex z);
float cimagf(float complex z);
long double cimagl(long double complex z);
Link with -lm.
DESCRIPTION
The
cimag()
function returns the imaginary part of the complex number
z.
One has:
z = creal(z) + I * cimag(z)
VERSIONS
These functions first appeared in glibc in version 2.1.
CONFORMING TO
C99.
NOTES
gcc also supports __imag__.
That is a GNU extension.
SEE ALSO
cabs(3),
creal(3),
complex(7)
COLOPHON
This page is part of release 3.27 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- VERSIONS
-
- CONFORMING TO
-
- NOTES
-
- SEE ALSO
-
- COLOPHON
-
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