--- a/src/devices/wifi/jakes-propagation-loss-model.cc	Thu May 28 17:52:17 2009 +0200
+++ b/src/devices/wifi/jakes-propagation-loss-model.cc	Thu May 28 18:15:23 2009 +0200
@@ -127,7 +127,7 @@
 
 NS_OBJECT_ENSURE_REGISTERED (JakesPropagationLossModel);
 
-const double JakesPropagationLossModel::PI = 3.1415;
+const double JakesPropagationLossModel::PI = 3.14159265358979323846;
 
 TypeId
 JakesPropagationLossModel::GetTypeId (void)