math: Move lerp function into SGMisc.

[simgear.git] / simgear / hla / HLATypes.hxx

diff --git a/simgear/hla/HLATypes.hxx b/simgear/hla/HLATypes.hxx
index 931a4aa03ebf5f2d2623f2698dccaafc57caf18b..b968b1cf0a0b88ba26e86235b919659ba31f2a56 100644 (file)
--- a/simgear/hla/HLATypes.hxx
+++ b/simgear/hla/HLATypes.hxx
@@ -18,6 +18,8 @@
 #ifndef HLATypes_hxx
 #define HLATypes_hxx
 
+#include <list>
+
 namespace simgear {
 
 enum HLASubscriptionType {
@@ -38,6 +40,8 @@ enum HLAUpdateType {
     HLAUndefinedUpdate
 };
 
+typedef std::list<unsigned> HLAIndexList;
+
 } // namespace simgear
 
 #endif