/in/ex1.c: In function 'main':
/in/ex1.c:12:13: warning: format '%f' expects argument of type 'float *', but argument 2 has type 'double' [-Wformat=]
     scanf("%f%f\n",creal(a),cimag(a));
             ^
/in/ex1.c:12:15: warning: format '%f' expects argument of type 'float *', but argument 3 has type 'double' [-Wformat=]
     scanf("%f%f\n",creal(a),cimag(a));
               ^
/in/ex1.c:15:13: warning: format '%f' expects argument of type 'float *', but argument 2 has type 'double' [-Wformat=]
     scanf("%f%f\n",creal(b),cimag(b));
             ^
/in/ex1.c:15:15: warning: format '%f' expects argument of type 'float *', but argument 3 has type 'double' [-Wformat=]
     scanf("%f%f\n",creal(b),cimag(b));
               ^
/in/ex1.c:9:26: warning: 'e' is used uninitialized in this function [-Wuninitialized]
     double complex a = d + e * _Complex_I;
                          ^
/in/ex1.c:9:26: warning: 'd' is used uninitialized in this function [-Wuninitialized]
/in/ex1.c:10:26: warning: 'g' is used uninitialized in this function [-Wuninitialized]
     double complex b = f + g * _Complex_I;
                          ^
/in/ex1.c:10:26: warning: 'f' is used uninitialized in this function [-Wuninitialized]