First draft of complex number

cnumber.cpp

@@ -0,0 +1,9 @@
+#include <iostream>
+#include "cnumber.hpp"
+
+
+int main() {
+	cnumber z(1, -7);
+
+	cout << z << endl;
+}

cnumber.hpp

@@ -0,0 +1,29 @@
+#include <iostream>
+
+using namespace std;
+
+class cnumber {
+	private:
+		int r, i;
+		bool signr, signi;
+		bool get_sign(int i) {
+			return (i >= 0);
+		}
+
+	public:
+		cnumber(int a, int b) {
+			r = a;
+			i = b;
+			signr = get_sign(r);
+			signi = get_sign(i);
+			
+		}
+
+		friend ostream &operator<<( ostream &os, const cnumber &z ) { 
+			os << z.r << (z.signi ? '+' : '-') << 'i' << (z.signi ? z.i : z.i * -1); 
+			return os;            
+		}
+
+
+}; 
+