#include <stdio.h>
#include <complex.h>
#ifdef __CFA__
#include <fstream>
#endif // __CFA

int main( void ) {
    double _Complex x = 3 + 2i, y = 4 + 5i, z;
    z = x + y;
    printf( "x:%g+%gi y:%g+%gi z:%g+%gi\n", creal(x), cimag(x), creal(y), cimag(y), creal(z), cimag(z) );
#ifdef __CFA__
    sout | "x:" | x | "y:" | y | "z:" | z | endl;
#endif // __CFA
    x = 2.1 + 1.3i;
    y = 3.2 + 4.5i;
    z = x + y;
    printf( "x:%g+%gi y:%g+%gi z:%g+%gi\n", creal(x), cimag(x), creal(y), cimag(y), creal(z), cimag(z) );
#ifdef __CFA__
    sout | "x:" | x | "y:" | y | "z:" | z | endl;
#endif // __CFA
}