cimag - Man Page

get imaginary part of a complex number

Library

Math library (libm, -lm)

Synopsis

#include <complex.h>

double cimag(double complex z);
float cimagf(float complex z);
long double cimagl(long double complex z);

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).

InterfaceAttributeValue
cimag(), cimagf(), cimagl()Thread safetyMT-Safe

Standards

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)

Referenced By

cabs(3), cacosh(3), casinh(3), catanh(3), complex(7), creal(3).

The man pages cimagf(3) and cimagl(3) are aliases of cimag(3).

2022-10-09 Linux man-pages 6.01