Ajout protection ds P4gvCor::applyGain() si parametres de correction de gain...

Ajout protection ds P4gvCor::applyGain() si parametres de correction de gain G(t) pas defini, Reza 16/01/2018

p4gvcor.cc

@@ -148,6 +148,12 @@ void P4gvCor::applyGain(TMatrix <complex <float> > & mtx,  TimeStamp const & tms
   if (mtx.NRows() != (sa_size_t)visi_norm_.size())  
     throw SzMismatchError("P4gvCor::applyGain(mtx) mtx.NRows()!=TotNbVisib");
 
+  if (!Gt_corr_param_defined_ && glob_normalisation_defined_ && fgdonorm) {
+    for(sa_size_t r=0; r< mtx.NRows(); r++) 
+      mtx.Row(r) *= complex<float>((float)visi_norm_[(size_t)r],0.);
+  return;
+  }
+  if (!Gt_corr_param_defined_)  return;
   P4AVisiNumEncoder venc;
 
   vector< double > visi_gains(venc.getTotalNbVisibilities());