Task #5441: COBALT RSP raw support: OutputProc: harden against div by 0 (=...

Task #5441: COBALT RSP raw support: OutputProc: harden against div by 0 (= shows up as floating point exception), which was observed in a test on the observational system, but not so clear if this really fixes it.

RTCP/Cobalt/CoInterface/src/Parset.cc

@@ -1144,7 +1144,7 @@ namespace LOFAR
     }
 
     size_t ObservationSettings::nrRspRawBlocks() const {
-      return static_cast<size_t>(floor((rspRaw.stopTime - rspRaw.startTime) * subbandWidth() / blockSize));
+      return static_cast<size_t>(floor(((double)rspRaw.stopTime - rspRaw.startTime) * subbandWidth() / blockSize));
     }
 
     double ObservationSettings::subbandWidth() const {

RTCP/Cobalt/OutputProc/src/InputThread.cc

@@ -74,7 +74,7 @@ namespace LOFAR
       }
 
       // report statistics
-      const float didNotReceivePerc = 100.0 - 100.0 * itsNrIntegrationsReceived / itsNrIntegrations;
+      const float didNotReceivePerc = itsNrIntegrations == 0 ? 0.0 : 100.0 - 100.0 * itsNrIntegrationsReceived / itsNrIntegrations;
       const float didNotSendPerc = didNotReceivePerc;
 
       if (didNotReceivePerc > 0)