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Adding support for int64 field in basic api
[tools/medcoupling.git] / src / MEDLoader / MEDFileMeshElt.cxx
index fd123cc030d42b7ac359c13af6dbdaffada97d28..7beaf1d10c14ce510d129dbd325bfe76ba6cb7fb 100644 (file)
@@ -1,9 +1,9 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D
+// Copyright (C) 2007-2021  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 // License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // Author : Anthony Geay (CEA/DEN)
 
 #include "MEDFileMeshElt.hxx"
+#include "MEDFileSafeCaller.txx"
 #include "MEDFileMeshReadSelector.hxx"
+#include "MEDFileBasis.hxx"
 
 #include "MEDCouplingUMesh.hxx"
 
+#include "InterpKernelException.hxx"
 #include "InterpKernelAutoPtr.hxx"
 #include "CellModel.hxx"
 
 #include <iostream>
 
-extern med_geometry_type typmai3[34];
+// From MEDLOader.cxx TU
+extern med_geometry_type typmai3[INTERP_KERNEL::NORM_MAXTYPE];
 
-using namespace ParaMEDMEM;
+using namespace MEDCoupling;
+
+MEDFileUMeshPerTypeCommon *MEDFileUMeshPerTypeCommon::New()
+{
+  return new MEDFileUMeshPerTypeCommon;
+}
+
+void MEDFileUMeshPerTypeCommon::loadCommonPart(med_idt fid, const char *mName, int dt, int it, mcIdType curNbOfElem, med_geometry_type geoElt,
+                                               med_entity_type entity, MEDFileMeshReadSelector *mrs)
+{
+  med_bool changement,transformation;
+  _fam=0;
+  if(MEDmeshnEntity(fid,mName,dt,it,entity,geoElt,MED_FAMILY_NUMBER,MED_NODAL,&changement,&transformation)>0)
+    {    
+      if(!mrs || mrs->isCellFamilyFieldReading())
+        {
+          MCAuto<DataArrayMedInt> miFam=DataArrayMedInt::New();
+          miFam->alloc(curNbOfElem,1);
+          if(MEDmeshEntityFamilyNumberRd(fid,mName,dt,it,entity,geoElt,miFam->getPointer())!=0)
+            std::fill(miFam->getPointer(),miFam->getPointer()+curNbOfElem,0);
+          _fam=FromMedIntArray<mcIdType>( miFam );
+        }
+    }
+  _num=0;
+  if(MEDmeshnEntity(fid,mName,dt,it,entity,geoElt,MED_NUMBER,MED_NODAL,&changement,&transformation)>0)
+    {
+      if(!mrs || mrs->isCellNumFieldReading())
+        {
+          MCAuto<DataArrayMedInt> miNum=DataArrayMedInt::New();
+          miNum->alloc(curNbOfElem,1);
+          if(MEDmeshEntityNumberRd(fid,mName,dt,it,entity,geoElt,miNum->getPointer())!=0)
+            miNum=0;
+          _num=FromMedIntArray<mcIdType>(miNum);
+        }
+    }
+  _names=0;
+  if(MEDmeshnEntity(fid,mName,dt,it,entity,geoElt,MED_NAME,MED_NODAL,&changement,&transformation)>0)
+    {
+      if(!mrs || mrs->isCellNameFieldReading())
+        {
+          _names=DataArrayAsciiChar::New();
+          _names->alloc(curNbOfElem+1,MED_SNAME_SIZE);//not a bug to avoid the memory corruption due to last \0 at the end
+          if(MEDmeshEntityNameRd(fid,mName,dt,it,entity,geoElt,_names->getPointer())!=0)
+            _names=0;
+          else
+            _names->reAlloc(curNbOfElem);//not a bug to avoid the memory corruption due to last \0 at the end
+        }
+    }
+}
+
+std::size_t MEDFileUMeshPerTypeCommon::getHeapMemorySizeWithoutChildren() const
+{
+  return 0;
+}
+
+std::vector<const BigMemoryObject *> MEDFileUMeshPerTypeCommon::getDirectChildrenWithNull() const
+{
+  std::vector<const BigMemoryObject *> ret;
+  ret.push_back((const DataArrayIdType *)_num);
+  ret.push_back((const DataArrayIdType *)_fam);
+  ret.push_back((const DataArrayAsciiChar *)_names);
+  return ret;
+}
 
 MEDFileUMeshPerType *MEDFileUMeshPerType::New(med_idt fid, const char *mName, int dt, int it, int mdim, med_geometry_type geoElt, INTERP_KERNEL::NormalizedCellType geoElt2, MEDFileMeshReadSelector *mrs)
 {
@@ -40,40 +106,46 @@ MEDFileUMeshPerType *MEDFileUMeshPerType::New(med_idt fid, const char *mName, in
   return new MEDFileUMeshPerType(fid,mName,dt,it,mdim,geoElt,geoElt2,whichEntity,mrs);
 }
 
+MEDFileUMeshPerType *MEDFileUMeshPerType::NewPart(med_idt fid, const char *mName, int dt, int it, int mdim, INTERP_KERNEL::NormalizedCellType geoElt2, mcIdType strt, mcIdType stp, mcIdType step, MEDFileMeshReadSelector *mrs)
+{
+  int geoElt2i((int)geoElt2);
+  if(geoElt2i<0 || geoElt2i>=INTERP_KERNEL::NORM_MAXTYPE)
+    throw INTERP_KERNEL::Exception("MEDFileUMeshPerType::NewPart : Not recognized MEDCoupling/MEDLoader geometric type !");
+  med_geometry_type geoElt(typmai3[geoElt2]);
+  med_entity_type whichEntity;
+  if(!isExisting(fid,mName,dt,it,geoElt,whichEntity))
+    throw INTERP_KERNEL::Exception("MEDFileUMeshPerType::NewPart : The specified geo type is not present in the specified mesh !");
+  MCAuto<MEDFileUMeshPerType> ret(new MEDFileUMeshPerType);
+  ret->loadPart(fid,mName,dt,it,mdim,geoElt,geoElt2,whichEntity,strt,stp,step,mrs);
+  return ret.retn();
+}
+
 std::size_t MEDFileUMeshPerType::getHeapMemorySizeWithoutChildren() const
 {
-  return 0;
+  return MEDFileUMeshPerTypeCommon::getHeapMemorySizeWithoutChildren()+0;
 }
 
-std::vector<const BigMemoryObject *> MEDFileUMeshPerType::getDirectChildren() const
+std::vector<const BigMemoryObject *> MEDFileUMeshPerType::getDirectChildrenWithNull() const
 {
-  std::vector<const BigMemoryObject *> ret;
-  if((const MEDCoupling1GTUMesh *)_m)
-    ret.push_back((const MEDCoupling1GTUMesh *)_m);
-  if((const DataArrayInt *)_num)
-    ret.push_back((const DataArrayInt *)_num);
-  if((const DataArrayInt *)_fam)
-    ret.push_back((const DataArrayInt *)_fam);
-  if((const DataArrayAsciiChar *)_names)
-    ret.push_back((const DataArrayAsciiChar *)_names);
+  std::vector<const BigMemoryObject *> ret(MEDFileUMeshPerTypeCommon::getDirectChildrenWithNull());
+  ret.push_back((const MEDCoupling1GTUMesh *)_m);
   return ret;
 }
 
 bool MEDFileUMeshPerType::isExisting(med_idt fid, const char *mName, int dt, int it, med_geometry_type geoElt, med_entity_type& whichEntity)
 {
   static const med_entity_type entities[3]={MED_CELL,MED_DESCENDING_FACE,MED_DESCENDING_EDGE};
-  int nbOfElt=0;
+  mcIdType nbOfElt=0;
   for(int i=0;i<3;i++)
     {
       med_bool changement,transformation;
-      int tmp=MEDmeshnEntity(fid,mName,dt,it,entities[i],geoElt,MED_CONNECTIVITY,MED_NODAL,
-                             &changement,&transformation);
+      mcIdType tmp(MEDmeshnEntity(fid,mName,dt,it,entities[i],geoElt,MED_CONNECTIVITY,MED_NODAL,&changement,&transformation));
       if(tmp>nbOfElt)
         {
           nbOfElt=tmp;
           whichEntity=entities[i];
           if(i>0)
-            std::cerr << "WARNING : MEDFile has been detected to be no compilant with MED 3 : Please change entity in MEDFile for geotype " <<  geoElt << std::endl;
+            std::cerr << "WARNING : MEDFile has been detected to be noncompliant with MED 3 : Please change entity in MEDFile for geotype " <<  geoElt << std::endl;
         }
     }
   return nbOfElt>0;
@@ -84,13 +156,16 @@ int MEDFileUMeshPerType::getDim() const
   return _m->getMeshDimension();
 }
 
+MEDFileUMeshPerType::MEDFileUMeshPerType()
+{
+}
+
 MEDFileUMeshPerType::MEDFileUMeshPerType(med_idt fid, const char *mName, int dt, int it, int mdim, med_geometry_type geoElt, INTERP_KERNEL::NormalizedCellType type,
-                                         med_entity_type entity, MEDFileMeshReadSelector *mrs):_entity(entity)
+                                         med_entity_type entity, MEDFileMeshReadSelector *mrs)
 {
   med_bool changement,transformation;
-  int curNbOfElem=MEDmeshnEntity(fid,mName,dt,it,entity,geoElt,MED_CONNECTIVITY,MED_NODAL,
-                                 &changement,&transformation);
-  const INTERP_KERNEL::CellModel& cm=INTERP_KERNEL::CellModel::GetCellModel(type);
+  mcIdType curNbOfElem(MEDmeshnEntity(fid,mName,dt,it,entity,geoElt,MED_CONNECTIVITY,MED_NODAL,&changement,&transformation));
+  const INTERP_KERNEL::CellModel& cm(INTERP_KERNEL::CellModel::GetCellModel(type));
   if(!cm.isDynamic())
     {
       loadFromStaticType(fid,mName,dt,it,mdim,curNbOfElem,geoElt,type,entity,mrs);
@@ -105,33 +180,80 @@ MEDFileUMeshPerType::MEDFileUMeshPerType(med_idt fid, const char *mName, int dt,
   loadPolyh(fid,mName,dt,it,mdim,curNbOfElem,geoElt,entity,mrs);
 }
 
-void MEDFileUMeshPerType::loadFromStaticType(med_idt fid, const char *mName, int dt, int it, int mdim, int curNbOfElem, med_geometry_type geoElt, INTERP_KERNEL::NormalizedCellType type,
+void MEDFileUMeshPerType::loadPart(med_idt fid, const char *mName, int dt, int it, int mdim, med_geometry_type geoElt, INTERP_KERNEL::NormalizedCellType type,
+                                   med_entity_type entity, mcIdType strt, mcIdType end, mcIdType step, MEDFileMeshReadSelector *mrs)
+{
+  med_bool changement,transformation;
+  mcIdType curNbOfElem(MEDmeshnEntity(fid,mName,dt,it,entity,geoElt,MED_CONNECTIVITY,MED_NODAL,&changement,&transformation));
+  const INTERP_KERNEL::CellModel& cm(INTERP_KERNEL::CellModel::GetCellModel(type));
+  _pd=PartDefinition::New(strt,end,step);
+  if(!cm.isDynamic())
+    {
+      loadPartStaticType(fid,mName,dt,it,mdim,curNbOfElem,geoElt,type,entity,strt,end,step,mrs);
+    }
+  else
+    throw INTERP_KERNEL::Exception("MEDFileUMeshPerType::loadPart : not implemented yet for the dynamic type !");
+}
+
+void MEDFileUMeshPerType::loadFromStaticType(med_idt fid, const char *mName, int dt, int it, int mdim, mcIdType curNbOfElem, med_geometry_type geoElt, INTERP_KERNEL::NormalizedCellType type,
                                              med_entity_type entity, MEDFileMeshReadSelector *mrs)
 {
   _m=MEDCoupling1SGTUMesh::New(mName,type);
   MEDCoupling1SGTUMesh *mc(dynamic_cast<MEDCoupling1SGTUMesh *>((MEDCoupling1GTUMesh *)_m));
-  MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New());
-  int nbOfNodesPerCell=mc->getNumberOfNodesPerCell();
+  MCAuto<DataArrayMedInt> conn(DataArrayMedInt::New());
+  mcIdType nbOfNodesPerCell(mc->getNumberOfNodesPerCell());
   conn->alloc(nbOfNodesPerCell*curNbOfElem,1);
-  MEDmeshElementConnectivityRd(fid,mName,dt,it,entity,geoElt,MED_NODAL,MED_FULL_INTERLACE,conn->getPointer());
-  std::transform(conn->begin(),conn->end(),conn->getPointer(),std::bind2nd(std::plus<int>(),-1));
-  mc->setNodalConnectivity(conn);
-  loadCommonPart(fid,mName,dt,it,mdim,curNbOfElem,geoElt,entity,mrs);
+  MEDFILESAFECALLERRD0(MEDmeshElementConnectivityRd,(fid,mName,dt,it,entity,geoElt,MED_NODAL,MED_FULL_INTERLACE,conn->getPointer()));
+  std::transform(conn->begin(),conn->end(),conn->getPointer(),std::bind(std::plus<med_int>(),std::placeholders::_1,-1));
+  mc->setNodalConnectivity(FromMedIntArray<mcIdType>(conn));
+  loadCommonPart(fid,mName,dt,it,curNbOfElem,geoElt,entity,mrs);
 }
 
-void MEDFileUMeshPerType::loadCommonPart(med_idt fid, const char *mName, int dt, int it, int mdim, int curNbOfElem, med_geometry_type geoElt,
-                                         med_entity_type entity, MEDFileMeshReadSelector *mrs)
+void MEDFileUMeshPerType::loadPartStaticType(med_idt fid, const char *mName, int dt, int it, int mdim, mcIdType curNbOfElem, med_geometry_type geoElt, INTERP_KERNEL::NormalizedCellType type,
+                                             med_entity_type entity, mcIdType strt, mcIdType end, mcIdType step, MEDFileMeshReadSelector *mrs)
+{
+  if(strt<0)
+    throw INTERP_KERNEL::Exception("MEDFileUMeshPerType::loadPartStaticType : start pos is negative !");
+  if(end>curNbOfElem)
+    throw INTERP_KERNEL::Exception("MEDFileUMeshPerType::loadPartStaticType : end is after the authorized range !");
+  mcIdType nbOfEltsToLoad(DataArray::GetNumberOfItemGivenBES(strt,end,step,"MEDFileUMeshPerType::loadPartStaticType"));
+  _m=MEDCoupling1SGTUMesh::New(mName,type);
+  MEDCoupling1SGTUMesh *mc(dynamic_cast<MEDCoupling1SGTUMesh *>((MEDCoupling1GTUMesh *)_m));
+  MCAuto<DataArrayMedInt> conn(DataArrayMedInt::New());
+  mcIdType nbOfNodesPerCell(mc->getNumberOfNodesPerCell());
+  conn->alloc(nbOfNodesPerCell*nbOfEltsToLoad,1);
+  med_filter filter=MED_FILTER_INIT;
+  MEDfilterBlockOfEntityCr(fid,/*nentity*/ToMedInt(curNbOfElem),/*nvaluesperentity*/1,/*nconstituentpervalue*/ToMedInt(nbOfNodesPerCell),
+                           MED_ALL_CONSTITUENT,MED_FULL_INTERLACE,MED_COMPACT_STMODE,MED_NO_PROFILE,
+                           /*start*/ToMedInt(strt+1),/*stride*/ToMedInt(step),/*count*/1,/*blocksize*/ToMedInt(nbOfEltsToLoad),
+                           /*lastblocksize=useless because count=1*/0,&filter);
+  MEDFILESAFECALLERRD0(MEDmeshElementConnectivityAdvancedRd,(fid,mName,dt,it,entity,geoElt,MED_NODAL,&filter,conn->getPointer()));
+  MEDfilterClose(&filter);
+  std::transform(conn->begin(),conn->end(),conn->getPointer(),std::bind(std::plus<med_int>(),std::placeholders::_1,-1));
+  mc->setNodalConnectivity(FromMedIntArray<mcIdType>(conn));
+  loadPartOfCellCommonPart(fid,mName,strt,end,step,dt,it,mdim,curNbOfElem,geoElt,entity,mrs);
+}
+
+void MEDFileUMeshPerType::loadPartOfCellCommonPart(med_idt fid, const char *mName, mcIdType strt, mcIdType stp, mcIdType step, int dt, int it, int mdim, mcIdType curNbOfElem, med_geometry_type geoElt, med_entity_type entity, MEDFileMeshReadSelector *mrs)
 {
   med_bool changement,transformation;
   _fam=0;
+  mcIdType nbOfEltsToLoad(DataArray::GetNumberOfItemGivenBES(strt,stp,step,"MEDFileUMeshPerType::loadPartOfCellCommonPart"));
   if(MEDmeshnEntity(fid,mName,dt,it,entity,geoElt,MED_FAMILY_NUMBER,MED_NODAL,&changement,&transformation)>0)
-    {    
+    {
       if(!mrs || mrs->isCellFamilyFieldReading())
         {
-          _fam=DataArrayInt::New();
-          _fam->alloc(curNbOfElem,1);
-          if(MEDmeshEntityFamilyNumberRd(fid,mName,dt,it,entity,geoElt,_fam->getPointer())!=0)
-            std::fill(_fam->getPointer(),_fam->getPointer()+curNbOfElem,0);
+          MCAuto<DataArrayMedInt> miFam(DataArrayMedInt::New());
+          miFam->alloc(nbOfEltsToLoad,1);
+          med_filter filter=MED_FILTER_INIT;
+          MEDfilterBlockOfEntityCr(fid,/*nentity*/ToMedInt(curNbOfElem),/*nvaluesperentity*/1,/*nconstituentpervalue*/1,
+                                   MED_ALL_CONSTITUENT,MED_FULL_INTERLACE,MED_COMPACT_STMODE,MED_NO_PROFILE,
+                                   /*start*/ToMedInt(strt+1),/*stride*/ToMedInt(step),/*count*/1,/*blocksize*/ToMedInt(nbOfEltsToLoad),
+                                   /*lastblocksize=useless because count=1*/0,&filter);
+          if(MEDmeshEntityAttributeAdvancedRd(fid,mName,MED_FAMILY_NUMBER,dt,it,entity,geoElt,&filter,miFam->getPointer())!=0)
+            miFam->fillWithZero();
+          _fam=FromMedIntArray<mcIdType>(miFam);
+          MEDfilterClose(&filter);
         }
     }
   _num=0;
@@ -139,10 +261,17 @@ void MEDFileUMeshPerType::loadCommonPart(med_idt fid, const char *mName, int dt,
     {
       if(!mrs || mrs->isCellNumFieldReading())
         {
-          _num=DataArrayInt::New();
-          _num->alloc(curNbOfElem,1);
-          if(MEDmeshEntityNumberRd(fid,mName,dt,it,entity,geoElt,_num->getPointer())!=0)
-            _num=0;
+          MCAuto<DataArrayMedInt> miNum(DataArrayMedInt::New());
+          miNum->alloc(nbOfEltsToLoad,1);
+          med_filter filter=MED_FILTER_INIT;
+          MEDfilterBlockOfEntityCr(fid,/*nentity*/ToMedInt(curNbOfElem),/*nvaluesperentity*/1,/*nconstituentpervalue*/1,
+                                   MED_ALL_CONSTITUENT,MED_FULL_INTERLACE,MED_COMPACT_STMODE,MED_NO_PROFILE,
+                                   /*start*/ToMedInt(strt+1),/*stride*/ToMedInt(step),/*count*/1,/*blocksize*/ToMedInt(nbOfEltsToLoad),
+                                   /*lastblocksize=useless because count=1*/0,&filter);
+          if(MEDmeshEntityAttributeAdvancedRd(fid,mName,MED_NUMBER,dt,it,entity,geoElt,&filter,miNum->getPointer())!=0)
+            miNum->fillWithZero();
+          _num=FromMedIntArray<mcIdType>(miNum);
+          MEDfilterClose(&filter);
         }
     }
   _names=0;
@@ -151,70 +280,76 @@ void MEDFileUMeshPerType::loadCommonPart(med_idt fid, const char *mName, int dt,
       if(!mrs || mrs->isCellNameFieldReading())
         {
           _names=DataArrayAsciiChar::New();
-          _names->alloc(curNbOfElem+1,MED_SNAME_SIZE);//not a bug to avoid the memory corruption due to last \0 at the end
-          if(MEDmeshEntityNameRd(fid,mName,dt,it,entity,geoElt,_names->getPointer())!=0)
+          _names->alloc(nbOfEltsToLoad+1,MED_SNAME_SIZE);//not a bug to avoid the memory corruption due to last \0 at the end
+          med_filter filter=MED_FILTER_INIT;
+          MEDfilterBlockOfEntityCr(fid,/*nentity*/ToMedInt(curNbOfElem),/*nvaluesperentity*/1,/*nconstituentpervalue*/1,
+                                   MED_ALL_CONSTITUENT,MED_FULL_INTERLACE,MED_COMPACT_STMODE,MED_NO_PROFILE,
+                                   /*start*/ToMedInt(strt+1),/*stride*/ToMedInt(step),/*count*/1,/*blocksize*/ToMedInt(nbOfEltsToLoad),
+                                   /*lastblocksize=useless because count=1*/0,&filter);
+          if(MEDmeshEntityAttributeAdvancedRd(fid,mName,MED_NAME,dt,it,entity,geoElt,&filter,_names->getPointer())!=0)
             _names=0;
           else
-            _names->reAlloc(curNbOfElem);//not a bug to avoid the memory corruption due to last \0 at the end
+            _names->reAlloc(nbOfEltsToLoad);//not a bug to avoid the memory corruption due to last \0 at the end
+          MEDfilterClose(&filter);
         }
     }
 }
 
-void MEDFileUMeshPerType::loadPolyg(med_idt fid, const char *mName, int dt, int it, int mdim, int arraySize, med_geometry_type geoElt,
+void MEDFileUMeshPerType::loadPolyg(med_idt fid, const char *mName, int dt, int it, int mdim, mcIdType arraySize, med_geometry_type geoElt,
                                     med_entity_type entity, MEDFileMeshReadSelector *mrs)
 {
   med_bool changement,transformation;
-  med_int curNbOfElem=MEDmeshnEntity(fid,mName,dt,it,entity,geoElt,MED_INDEX_NODE,MED_NODAL,&changement,&transformation)-1;
+  mcIdType curNbOfElem(MEDmeshnEntity(fid,mName,dt,it,entity,geoElt,MED_INDEX_NODE,MED_NODAL,&changement,&transformation)-1);
   _m=MEDCoupling1DGTUMesh::New(mName,geoElt==MED_POLYGON?INTERP_KERNEL::NORM_POLYGON:INTERP_KERNEL::NORM_QPOLYG);
-  MEDCoupling1DGTUMesh *mc(dynamic_cast<MEDCoupling1DGTUMesh *>((MEDCoupling1GTUMesh *)_m));
-  MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New()),connI(DataArrayInt::New());
+  MCAuto<MEDCoupling1DGTUMesh> mc(DynamicCast<MEDCoupling1GTUMesh,MEDCoupling1DGTUMesh>(_m));
+  MCAuto<DataArrayMedInt> conn(DataArrayMedInt::New()),connI(DataArrayMedInt::New());
   conn->alloc(arraySize,1); connI->alloc(curNbOfElem+1,1);
-  MEDmeshPolygon2Rd(fid,mName,dt,it,MED_CELL,geoElt,MED_NODAL,connI->getPointer(),conn->getPointer());
-  std::transform(conn->begin(),conn->end(),conn->getPointer(),std::bind2nd(std::plus<int>(),-1));
-  std::transform(connI->begin(),connI->end(),connI->getPointer(),std::bind2nd(std::plus<int>(),-1));
-  mc->setNodalConnectivity(conn,connI);
-  loadCommonPart(fid,mName,dt,it,mdim,curNbOfElem,geoElt,entity,mrs);
+  MEDFILESAFECALLERRD0(MEDmeshPolygon2Rd,(fid,mName,dt,it,MED_CELL,geoElt,MED_NODAL,connI->getPointer(),conn->getPointer()));
+  std::transform(conn->begin(),conn->end(),conn->getPointer(),std::bind(std::plus<med_int>(),std::placeholders::_1,-1));
+  std::transform(connI->begin(),connI->end(),connI->getPointer(),std::bind(std::plus<med_int>(),std::placeholders::_1,-1));
+  mc->setNodalConnectivity(FromMedIntArray<mcIdType>(conn),FromMedIntArray<mcIdType>(connI));
+  loadCommonPart(fid,mName,dt,it,curNbOfElem,geoElt,entity,mrs);
 }
 
-void MEDFileUMeshPerType::loadPolyh(med_idt fid, const char *mName, int dt, int it, int mdim, int connFaceLgth, med_geometry_type geoElt,
+void MEDFileUMeshPerType::loadPolyh(med_idt fid, const char *mName, int dt, int it, int mdim, mcIdType connFaceLgth, med_geometry_type geoElt,
                                     med_entity_type entity, MEDFileMeshReadSelector *mrs)
 {
   med_bool changement,transformation;
-  med_int indexFaceLgth=MEDmeshnEntity(fid,mName,dt,it,MED_CELL,MED_POLYHEDRON,MED_INDEX_NODE,MED_NODAL,&changement,&transformation);
-  int curNbOfElem=MEDmeshnEntity(fid,mName,dt,it,MED_CELL,MED_POLYHEDRON,MED_INDEX_FACE,MED_NODAL,&changement,&transformation)-1;
+  med_int indexFaceLgth(MEDmeshnEntity(fid,mName,dt,it,MED_CELL,MED_POLYHEDRON,MED_INDEX_NODE,MED_NODAL,&changement,&transformation));
+  mcIdType curNbOfElem(MEDmeshnEntity(fid,mName,dt,it,MED_CELL,MED_POLYHEDRON,MED_INDEX_FACE,MED_NODAL,&changement,&transformation)-1);
   _m=MEDCoupling1DGTUMesh::New(mName,INTERP_KERNEL::NORM_POLYHED);
-  MEDCoupling1DGTUMesh *mc(dynamic_cast<MEDCoupling1DGTUMesh *>((MEDCoupling1GTUMesh *)_m));
-  INTERP_KERNEL::AutoPtr<int> index=new int[curNbOfElem+1];
-  INTERP_KERNEL::AutoPtr<int> indexFace=new int[indexFaceLgth];
-  INTERP_KERNEL::AutoPtr<int> locConn=new int[connFaceLgth];
-  MEDmeshPolyhedronRd(fid,mName,dt,it,MED_CELL,MED_NODAL,index,indexFace,locConn);
-  MEDCouplingAutoRefCountObjectPtr<DataArrayInt> conn(DataArrayInt::New()),connI(DataArrayInt::New());
-  int arraySize=connFaceLgth;
-  for(int i=0;i<curNbOfElem;i++)
+  MCAuto<MEDCoupling1DGTUMesh> mc(DynamicCastSafe<MEDCoupling1GTUMesh,MEDCoupling1DGTUMesh>(_m));
+  INTERP_KERNEL::AutoPtr<med_int> index=new med_int[curNbOfElem+1];
+  INTERP_KERNEL::AutoPtr<med_int> indexFace=new med_int[indexFaceLgth];
+  INTERP_KERNEL::AutoPtr<med_int> locConn=new med_int[connFaceLgth];
+  MEDFILESAFECALLERRD0(MEDmeshPolyhedronRd,(fid,mName,dt,it,MED_CELL,MED_NODAL,index,indexFace,locConn));
+  MCAuto<DataArrayIdType> conn(DataArrayIdType::New()),connI(DataArrayIdType::New());
+  mcIdType arraySize=connFaceLgth;
+  for(mcIdType i=0;i<curNbOfElem;i++)
     arraySize+=index[i+1]-index[i]-1;
-  conn=DataArrayInt::New();
+  conn=DataArrayIdType::New();
   conn->alloc(arraySize,1);
-  int *wFinalConn=conn->getPointer();
+  mcIdType *wFinalConn=conn->getPointer();
   connI->alloc(curNbOfElem+1,1);
-  int *finalIndex(connI->getPointer());
+  mcIdType *finalIndex(connI->getPointer());
   finalIndex[0]=0;
-  for(int i=0;i<curNbOfElem;i++)
+  for(mcIdType i=0;i<curNbOfElem;i++)
     {
       finalIndex[i+1]=finalIndex[i]+index[i+1]-index[i]-1+indexFace[index[i+1]-1]-indexFace[index[i]-1];
-      wFinalConn=std::transform(locConn+indexFace[index[i]-1]-1,locConn+indexFace[index[i]]-1,wFinalConn,std::bind2nd(std::plus<int>(),-1));
-      for(int j=index[i];j<index[i+1]-1;j++)
+      wFinalConn=std::transform(locConn+indexFace[index[i]-1]-1,locConn+indexFace[index[i]]-1,wFinalConn,std::bind(std::plus<mcIdType>(),std::placeholders::_1,-1));
+      for(mcIdType j=index[i];j<index[i+1]-1;j++)
         {
           *wFinalConn++=-1;
-          wFinalConn=std::transform(locConn+indexFace[j]-1,locConn+indexFace[j+1]-1,wFinalConn,std::bind2nd(std::plus<int>(),-1));
+          wFinalConn=std::transform(locConn+indexFace[j]-1,locConn+indexFace[j+1]-1,wFinalConn,std::bind(std::plus<mcIdType>(),std::placeholders::_1,-1));
         }
     }
   mc->setNodalConnectivity(conn,connI);
-  loadCommonPart(fid,mName,dt,it,mdim,curNbOfElem,MED_POLYHEDRON,entity,mrs);
+  loadCommonPart(fid,mName,dt,it,curNbOfElem,MED_POLYHEDRON,entity,mrs);
 }
 
-void MEDFileUMeshPerType::Write(med_idt fid, const std::string& mname, int mdim, const MEDCoupling1GTUMesh *m, const DataArrayInt *fam, const DataArrayInt *num, const DataArrayAsciiChar *names)
+void MEDFileUMeshPerType::Write(med_idt fid, const std::string& mname, int mdim, const MEDCoupling1GTUMesh *m, const DataArrayIdType *fam, const DataArrayIdType *num, const DataArrayAsciiChar *names)
 {
-  int nbOfCells=m->getNumberOfCells();
+  mcIdType nbOfCells=m->getNumberOfCells();
   if(nbOfCells<1)
     return ;
   int dt,it;
@@ -227,9 +362,9 @@ void MEDFileUMeshPerType::Write(med_idt fid, const std::string& mname, int mdim,
       const MEDCoupling1SGTUMesh *m0(dynamic_cast<const MEDCoupling1SGTUMesh *>(m));
       if(!m0)
         throw INTERP_KERNEL::Exception("MEDFileUMeshPerType::Write : internal error #1 !");
-      MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arr(m0->getNodalConnectivity()->deepCpy());
-      std::transform(arr->begin(),arr->end(),arr->getPointer(),std::bind2nd(std::plus<int>(),1));
-      MEDmeshElementConnectivityWr(fid,mname.c_str(),dt,it,timm,MED_CELL,curMedType,MED_NODAL,MED_FULL_INTERLACE,nbOfCells,arr->begin());
+      MCAuto<DataArrayMedInt> arr(DataArrayMedInt_Copy(m0->getNodalConnectivity()));
+      std::transform(arr->begin(),arr->end(),arr->getPointer(),std::bind(std::plus<med_int>(),std::placeholders::_1,1));
+      MEDFILESAFECALLERWR0(MEDmeshElementConnectivityWr,(fid,mname.c_str(),dt,it,timm,MED_CELL,curMedType,MED_NODAL,MED_FULL_INTERLACE,ToMedInt(nbOfCells),arr->begin()));
     }
   else
     {
@@ -238,31 +373,31 @@ void MEDFileUMeshPerType::Write(med_idt fid, const std::string& mname, int mdim,
         throw INTERP_KERNEL::Exception("MEDFileUMeshPerType::Write : internal error #2 !");
       if(ikt==INTERP_KERNEL::NORM_POLYGON || ikt==INTERP_KERNEL::NORM_QPOLYG)
         {
-          MEDCouplingAutoRefCountObjectPtr<DataArrayInt> arr(m0->getNodalConnectivity()->deepCpy()),arrI(m0->getNodalConnectivityIndex()->deepCpy());
-          std::transform(arr->begin(),arr->end(),arr->getPointer(),std::bind2nd(std::plus<int>(),1));
-          std::transform(arrI->begin(),arrI->end(),arrI->getPointer(),std::bind2nd(std::plus<int>(),1));
-          MEDmeshPolygon2Wr(fid,mname.c_str(),dt,it,timm,MED_CELL,ikt==INTERP_KERNEL::NORM_POLYGON?MED_POLYGON:MED_POLYGON2,MED_NODAL,nbOfCells+1,arrI->begin(),arr->begin());
+          MCAuto<DataArrayMedInt> arr(DataArrayMedInt_Copy(m0->getNodalConnectivity())),arrI(DataArrayMedInt_Copy(m0->getNodalConnectivityIndex()));
+          std::transform(arr->begin(),arr->end(),arr->getPointer(),std::bind(std::plus<med_int>(),std::placeholders::_1,1));
+          std::transform(arrI->begin(),arrI->end(),arrI->getPointer(),std::bind(std::plus<med_int>(),std::placeholders::_1,1));
+          MEDFILESAFECALLERWR0(MEDmeshPolygon2Wr,(fid,mname.c_str(),dt,it,timm,MED_CELL,ikt==INTERP_KERNEL::NORM_POLYGON?MED_POLYGON:MED_POLYGON2,MED_NODAL,ToMedInt(nbOfCells+1),arrI->begin(),arr->begin()));
         }
       else
         {
-          const int *conn(m0->getNodalConnectivity()->begin()),*connI(m0->getNodalConnectivityIndex()->begin());
-          int meshLgth=m0->getNodalConnectivityLength();
-          int nbOfFaces=std::count(conn,conn+meshLgth,-1)+nbOfCells;
-          INTERP_KERNEL::AutoPtr<int> tab1=new int[nbOfCells+1];
-          int *w1=tab1; *w1=1;
-          INTERP_KERNEL::AutoPtr<int> tab2=new int[nbOfFaces+1];
-          int *w2=tab2; *w2=1;
-          INTERP_KERNEL::AutoPtr<int> bigtab=new int[meshLgth];
-          int *bt=bigtab;
-          for(int i=0;i<nbOfCells;i++,w1++)
+          const mcIdType *conn(m0->getNodalConnectivity()->begin()),*connI(m0->getNodalConnectivityIndex()->begin());
+          mcIdType meshLgth=m0->getNodalConnectivityLength();
+          mcIdType nbOfFaces=ToIdType(std::count(conn,conn+meshLgth,-1)+nbOfCells);
+          INTERP_KERNEL::AutoPtr<med_int> tab1=new med_int[nbOfCells+1];
+          med_int *w1=tab1; *w1=1;
+          INTERP_KERNEL::AutoPtr<med_int> tab2=new med_int[nbOfFaces+1];
+          med_int *w2=tab2; *w2=1;
+          INTERP_KERNEL::AutoPtr<med_int> bigtab=new med_int[meshLgth];
+          med_int *bt=bigtab;
+          for(mcIdType i=0;i<nbOfCells;i++,w1++)
             {
               int nbOfFaces2=0;
-              for(const int *w=conn+connI[i];w!=conn+connI[i+1];w2++)
+              for(const mcIdType *w=conn+connI[i];w!=conn+connI[i+1];w2++)
                 {
-                  const int *wend=std::find(w,conn+connI[i+1],-1);
-                  bt=std::transform(w,wend,bt,std::bind2nd(std::plus<int>(),1));
-                  int nbOfNode=std::distance(w,wend);
-                  w2[1]=w2[0]+nbOfNode;
+                  const mcIdType *wend=std::find(w,conn+connI[i+1],-1);
+                  bt=std::transform(w,wend,bt,std::bind(std::plus<mcIdType>(),std::placeholders::_1,1));
+                  std::size_t nbOfNode=std::distance(w,wend);
+                  w2[1]=w2[0]+(med_int)nbOfNode;
                   if(wend!=conn+connI[i+1])
                     w=wend+1;
                   else
@@ -271,13 +406,13 @@ void MEDFileUMeshPerType::Write(med_idt fid, const std::string& mname, int mdim,
                 }
               w1[1]=w1[0]+nbOfFaces2;
             }
-          MEDmeshPolyhedronWr(fid,mname.c_str(),dt,it,timm,MED_CELL,MED_NODAL,nbOfCells+1,tab1,nbOfFaces+1,tab2,bigtab);
+          MEDFILESAFECALLERWR0(MEDmeshPolyhedronWr,(fid,mname.c_str(),dt,it,timm,MED_CELL,MED_NODAL,ToMedInt(nbOfCells+1),tab1,ToMedInt(nbOfFaces+1),tab2,bigtab));
         }
     }
   if(fam)
-    MEDmeshEntityFamilyNumberWr(fid,mname.c_str(),dt,it,MED_CELL,curMedType,nbOfCells,fam->getConstPointer());
+    MEDFILESAFECALLERWR0(MEDmeshEntityFamilyNumberWr,(fid,mname.c_str(),dt,it,MED_CELL,curMedType,ToMedInt(nbOfCells),ToMedIntArray<mcIdType>(fam)->getConstPointer()));
   if(num)
-    MEDmeshEntityNumberWr(fid,mname.c_str(),dt,it,MED_CELL,curMedType,nbOfCells,num->getConstPointer());
+    MEDFILESAFECALLERWR0(MEDmeshEntityNumberWr,(fid,mname.c_str(),dt,it,MED_CELL,curMedType,ToMedInt(nbOfCells),ToMedIntArray<mcIdType>(num)->getConstPointer()));
   if(names)
     {
       if(names->getNumberOfComponents()!=MED_SNAME_SIZE)
@@ -286,6 +421,6 @@ void MEDFileUMeshPerType::Write(med_idt fid, const std::string& mname, int mdim,
           oss << " ! The array has " << names->getNumberOfComponents() << " components !";
           throw INTERP_KERNEL::Exception(oss.str().c_str());
         }
-      MEDmeshEntityNameWr(fid,mname.c_str(),dt,it,MED_CELL,curMedType,nbOfCells,names->getConstPointer());
+      MEDFILESAFECALLERWR0(MEDmeshEntityNameWr,(fid,mname.c_str(),dt,it,MED_CELL,curMedType,ToMedInt(nbOfCells),names->getConstPointer()));
     }
 }