imag()                  Return Imaginary Part of a Complex Number

 #include   <complex.h>

 double     imag(z);
 complex    z;            Complex number

        This function returns the imaginary part of a complex number.

       Returns:     The imaginary part of a complex number.

   -------------------------------- Example ---------------------------------

 #include <iostream.h>
 #include <complex.h>

 int main(void)

    double x = 5.3, y = 9.1;
    complex z = complex(x,y);
    cout << "Imaginary part = " << imag(z);
    return 0;