sync with JSB JSBSim CVS

[flightgear.git] / src / FDM / JSBSim / models / FGExternalForce.cpp

diff --git a/src/FDM/JSBSim/models/FGExternalForce.cpp b/src/FDM/JSBSim/models/FGExternalForce.cpp
old mode 100755 (executable)
new mode 100644 (file)
index 349f28d..f0ef173
--- a/src/FDM/JSBSim/models/FGExternalForce.cpp
+++ b/src/FDM/JSBSim/models/FGExternalForce.cpp
@@ -4,7 +4,7 @@
  Author:       Jon Berndt, Dave Culp
  Date started: 9/21/07
 
- ------------- Copyright (C) 2007  Jon S. Berndt (jsb@hal-pc.org) -------------
+ ------------- Copyright (C) 2007  Jon S. Berndt (jon@jsbsim.org) -------------
 
  This program is free software; you can redistribute it and/or modify it under
  the terms of the GNU Lesser General Public License as published by the Free Software
@@ -53,10 +53,14 @@
 */
 
 #include "FGExternalForce.h"
+#include "input_output/FGXMLElement.h"
+#include <iostream>
+
+using namespace std;
 
 namespace JSBSim {
 
-static const char *IdSrc = "$Id$";
+static const char *IdSrc = "$Id: FGExternalForce.cpp,v 1.11 2011/10/31 14:54:41 bcoconni Exp $";
 static const char *IdHdr = ID_EXTERNALFORCE;
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -164,7 +168,7 @@ void FGExternalForce::SetMagnitude(double mag)
 
 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-FGColumnVector3& FGExternalForce::GetBodyForces(void)
+const FGColumnVector3& FGExternalForce::GetBodyForces(void)
 {
   if (Magnitude_Function) {
     double mag = Magnitude_Function->GetValue();