FG_HAVE_STD_INCLUDES -> SG_HAVE_STD_INCLUDES

[flightgear.git] / src / FDM / JSBSim / FGAtmosphere.h

diff --git a/src/FDM/JSBSim/FGAtmosphere.h b/src/FDM/JSBSim/FGAtmosphere.h
index 4457caac04e9e9972c35946a8fe73bba2849c22c..964c0a5ddf27b4b52fe09300dbb995b3e15f2847 100644 (file)
--- a/src/FDM/JSBSim/FGAtmosphere.h
+++ b/src/FDM/JSBSim/FGAtmosphere.h
@@ -45,6 +45,8 @@ INCLUDES
 #include "FGModel.h"
 #include "FGMatrix.h"
 
+#define ID_ATMOSPHERE "$Header$"
+
 /*******************************************************************************
 COMMENTS, REFERENCES,  and NOTES
 ********************************************************************************
@@ -80,6 +82,7 @@ public:
 
   inline void UseExternal(void)          { useExternal=true;  }
   inline void UseInternal(void)          { useExternal=false; } //this is the default
+  bool External(void) { return useExternal; }
 
   inline void SetExTemperature(float t)  { exTemperature=t; }
   inline void SetExDensity(float d)      { exDensity=d; }