fix ideal current source

Source/Components/CurrentSource.cpp

@@ -8,10 +8,14 @@ CurrentSource::CurrentSource(std::string name, int src, int dest, double current
 };
 	
 void CurrentSource::applyRightSideVectorStamp(SystemModel& system) {
-	if (mNode1 != 0) {
+	if (mNode1 >= 0) {
 		system.addCompToRightSideVector(mNode1, currentr, currenti);		
 	}
-	if (mNode2 != 0) {
+	if (mNode2 >= 0) {
 		system.addCompToRightSideVector(mNode2, -currentr, -currenti);
 	}
-};
+}
+
+void CurrentSource::step(SystemModel& system, Real time) {
+	this->applyRightSideVectorStamp(system);
+}

Source/Components/CurrentSource.h

@@ -17,8 +17,8 @@ namespace DPsim {
 		void init(Real om, Real dt) { }
 		void applySystemMatrixStamp(SystemModel& system) { }
 		void applyRightSideVectorStamp(SystemModel& system);
-		void step(SystemModel& system, Real time) { }
+		void step(SystemModel& system, Real time);
 		void postStep(SystemModel& system) { }
 	};
 }
-#endif
\ No newline at end of file
+#endif