private void AddDeltaStomachSymRecord(AverageStomachSymRecordDelta ssRecord, StomachSymRecordDelta ssRecordToAdd)
 {
     ssRecord.CountIncludedInAverage = ssRecord.CountIncludedInAverage + 1;
     ssRecord.PainDelta      = ssRecord.PainDelta + ssRecordToAdd.PainDelta;
     ssRecord.NauseaDelta    = ssRecord.NauseaDelta + ssRecordToAdd.NauseaDelta;
     ssRecord.HeartburnDelta = ssRecord.HeartburnDelta + ssRecordToAdd.HeartburnDelta;
     ssRecord.GasDelta       = ssRecord.GasDelta + ssRecordToAdd.GasDelta;
     ssRecord.BloatingDelta  = ssRecord.BloatingDelta + ssRecordToAdd.BloatingDelta;
 }
 private void CalculateAverageSsRecDeltaValues(AverageStomachSymRecordDelta avSsRec)
 {
     if (avSsRec == null)
     {
         return;
     }
     else if (avSsRec.CountIncludedInAverage == 0)
     {
         avSsRec = null;
     }
     else
     {
         avSsRec.PainDelta      = avSsRec.PainDelta / avSsRec.CountIncludedInAverage;
         avSsRec.NauseaDelta    = avSsRec.NauseaDelta / avSsRec.CountIncludedInAverage;
         avSsRec.HeartburnDelta = avSsRec.HeartburnDelta / avSsRec.CountIncludedInAverage;
         avSsRec.GasDelta       = avSsRec.GasDelta / avSsRec.CountIncludedInAverage;
         avSsRec.BloatingDelta  = avSsRec.BloatingDelta / avSsRec.CountIncludedInAverage;
     }
 }