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2015-04-19
Aliases: cimagf(3), cimagf(3), cimagf(3), cimagf(3), cimagf(3), cimagf(3), cimagf(3), cimagf(3), cimagf(3), cimagf(3), cimagl(3), cimagl(3), cimagl(3), cimagl(3), cimagl(3), cimagl(3), cimagl(3), cimagl(3), cimagl(3), cimagl(3)

manpages-dev

Manual pages about using GNU/Linux for development

man-pages

Linux kernel and C library user-space interface documentation

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
Thread safety MT-Safe

CONFORMING TO

C99, POSIX.1-2001, POSIX.1-2008.

NOTES

gcc also supports __imag__. That is a GNU extension.

COLOPHON

This page is part of release 5.00 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 https://www.kernel.org/doc/man-pages/.
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