From: Anthony GEAY <anthony.geay@edf.fr>
Date: Tue, 13 Oct 2020 19:25:43 +0000 (+0200)
Subject: Generalization of MEDCouplingUMesh::fillCellIdsToKeepFromNodeIds and MEDFileUMesh... 
X-Git-Tag: V9_6_0b1~2
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=b64861b52d87424666a51fb54a911e939cb3b8f7;p=tools%2Fmedcoupling.git

Generalization of MEDCouplingUMesh::fillCellIdsToKeepFromNodeIds and MEDFileUMesh::LoadPart with empty mesh
---

diff --git a/src/MEDCoupling/MEDCouplingUMesh_internal.cxx b/src/MEDCoupling/MEDCouplingUMesh_internal.cxx
index 031a6d5ea..c1a954a63 100755
--- a/src/MEDCoupling/MEDCouplingUMesh_internal.cxx
+++ b/src/MEDCoupling/MEDCouplingUMesh_internal.cxx
@@ -510,6 +510,11 @@ void MEDCouplingUMesh::fillCellIdsToKeepFromNodeIds(const mcIdType *begin, const
   MCAuto<DataArrayIdType> cellIdsKept=DataArrayIdType::New(); cellIdsKept->alloc(0,1);
   checkConnectivityFullyDefined();
   mcIdType tmp=-1;
+  if(getNodalConnectivity()->empty())
+  {
+    cellIdsKeptArr=cellIdsKept.retn();
+    return;
+  }
   mcIdType sz=getNodalConnectivity()->getMaxValue(tmp); sz=std::max(sz,ToIdType(0))+1;
   std::vector<bool> fastFinder(sz,false);
   for(const mcIdType *work=begin;work!=end;work++)
diff --git a/src/MEDLoader/MEDFileMeshLL.cxx b/src/MEDLoader/MEDFileMeshLL.cxx
index 733d7e2b3..5809f3595 100644
--- a/src/MEDLoader/MEDFileMeshLL.cxx
+++ b/src/MEDLoader/MEDFileMeshLL.cxx
@@ -1496,8 +1496,17 @@ void MEDFileUMeshSplitL1::TraduceFamilyNumber(const std::vector< std::vector<mcI
 void MEDFileUMeshSplitL1::computeRevNum() const
 {
   mcIdType pos;
-  mcIdType maxValue=_num->getMaxValue(pos);
-  _rev_num=_num->invertArrayN2O2O2N(maxValue+1);
+  if(!_num->empty())
+  {
+    mcIdType maxValue=_num->getMaxValue(pos);
+    _rev_num=_num->invertArrayN2O2O2N(maxValue+1);
+  }
+  else
+  {
+    _rev_num = DataArrayIdType::New();
+    _rev_num->alloc(0,1);
+  }
+  
 }
 
 //=