Erreur

struct_procedure_1.cpp

-#include <iostream>
-
-using namespace std;
-
-struct cpx{
-	double real;
-	double img;
-};
-
-void sum(cpx x, cpx y, cpx &z)
-{
-	z.real = x.real + y.real + z.real;
-	z.img = x.img + y.img + z.img;
-}
-
-void multiply(cpx x, cpx y, cpx &z)
-{
-	z.real = x.real * y.real - (x.img * y.img); 
-	z.img = x.real * y.img + x.img * y.real;
-}
-
-int main()
-{
-	cpx x = { 0, 4 };
-	cpx y = { 2, 3 };
-	cpx z = { 1, -2 };
-
-	sum(x, y, z);
-	
-	multiply(z, y, x);
-
-	cout << "x = (" << x.real << "," << x.img << ")" << endl;
-}
\ No newline at end of file