cimag(3)
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
These functions return 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.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
Interface Attribute Value
cimag(), cimagf(), cimagl() Thread safety MT-Safe
CONFORMING TO
C99, POSIX.1-2001, POSIX.1-2008.
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 4.09 of the Linux man-pages project. A
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latest version of this page, can be found at
https://www.kernel.org/doc/man-pages/.
2015-04-19 CIMAG(3)
Free and Open Source Software