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.

ATTRIBUTES

Multithreading (see pthreads(7))

The cimag(), cimagf(), and cimagl() functions are thread-safe.

CONFORMING TO

C99.

NOTES

gcc also supports __imag__. That is a GNU extension.

RELATED TO cimagf…

COLOPHON

This page is part of release 3.74 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/.