From 5e2c97c386dc03e51e072c7f9909803a86307872 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Thu, 12 Apr 2018 14:36:22 +0300
Subject: [PATCH 1/1] Fix regressions of tests mostly connected to 23418: [CEA]
 Mesh: Minimization of memory usage of SMESH

---
 src/SMDS/SMDS_ElementFactory.hxx |  3 ++-
 src/SMDS/SMDS_MeshCell.cxx       | 15 +++++++++------
 src/SMESH/SMESH_MeshEditor.cxx   |  6 +++++-
 3 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/src/SMDS/SMDS_ElementFactory.hxx b/src/SMDS/SMDS_ElementFactory.hxx
index 3dbc1ab17..18c3d9461 100644
--- a/src/SMDS/SMDS_ElementFactory.hxx
+++ b/src/SMDS/SMDS_ElementFactory.hxx
@@ -352,7 +352,8 @@ typedef _Range< bool > _UsedRange;    // range of used elements
 typedef _RangeSet< _ShapeIDRange > TSubIDRangeSet;
 typedef _RangeSet< _UsedRange >    TUsedRangeSet;
 typedef boost::dynamic_bitset<>    TBitSet;
-typedef float                       TParam;
+//typedef float                       TParam;
+typedef double                     TParam;
 
 //------------------------------------------------------------------------------------
 /*!
diff --git a/src/SMDS/SMDS_MeshCell.cxx b/src/SMDS/SMDS_MeshCell.cxx
index 5407af69d..4aaeed25a 100644
--- a/src/SMDS/SMDS_MeshCell.cxx
+++ b/src/SMDS/SMDS_MeshCell.cxx
@@ -422,12 +422,15 @@ namespace
 
 void SMDS_MeshCell::InitStaticMembers()
 {
-  initCellProps();
-  initVtkTypes();
-  initToVtkInterlaces();
-  initReverseInterlaces();
-  initQuadInterlace();
-  initFromVtkInterlaces();
+  if ( theCellProps.empty() )
+  {
+    initCellProps();
+    initVtkTypes();
+    initToVtkInterlaces();
+    initReverseInterlaces();
+    initQuadInterlace();
+    initFromVtkInterlaces();
+  }
 }
 
 void SMDS_MeshCell::init( SMDSAbs_EntityType theEntity, int theNbNodes, ... )
diff --git a/src/SMESH/SMESH_MeshEditor.cxx b/src/SMESH/SMESH_MeshEditor.cxx
index e9dbc5a32..d06ce7306 100644
--- a/src/SMESH/SMESH_MeshEditor.cxx
+++ b/src/SMESH/SMESH_MeshEditor.cxx
@@ -7168,8 +7168,11 @@ void SMESH_MeshEditor::MergeNodes (TListOfListOfNodes & theGroupsOfNodes,
     const SMDS_MeshNode* nToKeep = nnIt->second;
     TNodeNodeMap::iterator nnIt_i = nodeNodeMap.find( nToKeep );
     while ( nnIt_i != nodeNodeMap.end() && nnIt_i->second != nnIt->second )
+    {
       nToKeep = nnIt_i->second;
-    nnIt->second = nToKeep;
+      nnIt->second = nToKeep;
+      nnIt_i = nodeNodeMap.find( nToKeep );
+    }
   }
 
   if ( theAvoidMakingHoles )
@@ -8526,6 +8529,7 @@ SMESH_MeshEditor::SewFreeBorder (const SMDS_MeshNode* theBordFirstNode,
   for ( ; groupIt != nodeGroupsToMerge.end(); groupIt++ )
   {
     const list<const SMDS_MeshNode*>& nodes = *groupIt;
+    if ( nodes.front()->IsNull() ) continue;
     SMDS_ElemIteratorPtr segIt = nodes.front()->GetInverseElementIterator( SMDSAbs_Edge );
     while ( segIt->more() )
       segments.insert( segIt->next() );
-- 
2.30.2