cimag, cimagf, cimagl - get imaginary part of a complex number

#include <complex.h>
double cimag(double complex z);
float cimagf(float complex z);
long double cimagl(long double complex z);

These functions return the imaginary part of the complex number z.

One has:

z = creal(z) + I * cimag(z)

cabs(3), creal(3), complex(7)