Work around for the AI-traffic due to precision issues generated by the radio frequen...

diff --git a/src/ATC/AIPlane.cxx b/src/ATC/AIPlane.cxx
index 867bdcd054fceaed7f5b22a629199538eb7d654f..1faef86787e4a2d76c099aeacfa0b9e349a5b026 100644 (file)
--- a/src/ATC/AIPlane.cxx
+++ b/src/ATC/AIPlane.cxx
@@ -92,7 +92,12 @@ void FGAIPlane::Update(double dt) {
                _max_count = 5.0;               // FIXME - hardwired length of message - need to calculate it!
                
                //cout << "Transmission = " << pending_transmission << '\n';
-               if(freq == user_freq0 || freq == user_freq1) {
+
+               // The radios dialog seems to set slightly imprecise freqs, eg 118.099998
+               // The eplison stuff below is a work-around
+               double eps0 = fabs(freq - user_freq0);
+               double eps1 = fabs(freq - user_freq1);
+               if(eps0 < 0.002 || eps1 < 0.002) {
                        //cout << "Transmitting..." << endl;
                        // we are on the same frequency, so check distance to the user plane
                        if(1) {