cimag man page

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).

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

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Referenced By

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

cimagf(3) and cimagl(3) are aliases of cimag(3).

2015-04-19 Linux Programmer's Manual