Improve the precision of the RandomDirection2dMobilityModel::PI constant (value copied from glibc's math.h header file).
--- a/src/mobility/random-direction-2d-mobility-model.cc Mon Oct 01 15:05:43 2007 +0100
+++ b/src/mobility/random-direction-2d-mobility-model.cc Mon Oct 01 15:11:16 2007 +0100
@@ -30,7 +30,7 @@
namespace ns3 {
-const double RandomDirection2dMobilityModel::PI = 3.1415;
+const double RandomDirection2dMobilityModel::PI = 3.14159265358979323846;
const ClassId RandomDirection2dMobilityModel::cid =
MakeClassId<RandomDirection2dMobilityModel> ("RandomDirection2dMobilityModel",
MobilityModel::iid);