Fixed autopilot component, abs(x) not working as intended

Autopilot/models/autopilot/de/rwth/armin/modeling/autopilot/common/Abs.emam

@@ -6,6 +6,10 @@ component Abs {
     out Q output;
 
   implementation Math {
-    output = abs(input);
+    if input < 0
+        output = (-1) * input;
+    else
+        output = input;
+    end
   }
 }

Autopilot/models/autopilot/de/rwth/armin/modeling/autopilot/motion/SteeringAngleCorrection.emam

@@ -18,7 +18,12 @@ component SteeringAngleCorrection {
 
     steeringAngleCorrection = 0.0;
 
-    Q dist = abs(signedDistanceToTrajectory);
+    Q dist = signedDistanceToTrajectory;
+
+    if dist < 0
+        dist = (-1) * dist; // dist = abs(signedDistanceToTrajectory)
+    end
+
     if (dist > EPSILON)
       if (dist < X1)
         steeringAngleCorrection = Y1;