Fixes

Fix for possibility of race condition in point-to-point MPI
communications.

Fixes for warnings produced by clang.

Examples/FVDiscr/main.cpp

@@ -149,7 +149,7 @@ int main(int argc,char ** argv)
 			if( cell->GetStatus() != Element::Ghost )
 			{
 				unsigned pid = cell->Integer(id);
-				unsigned pid2 = cell->GlobalID();
+				//unsigned pid2 = cell->GlobalID();
 				if( pid < idmin ) idmin = pid;
 				if( pid+1 > idmax ) idmax = pid+1;
 			}
@@ -174,7 +174,6 @@ int main(int argc,char ** argv)
 			    ((!r2->isValid() || (s2 = r2->GetStatus()) == Element::Ghost)?0:1) == 0) continue;
 			Storage::real f_nrm[3], r1_cnt[3], r2_cnt[3], f_cnt[3], d1[3], Coef;
 			Storage::real f_area = face->Area(); // Get the face area
-			Storage::real vol1 = r1->Volume(), vol2; // Get the cell volume
 			Storage::integer id1 = r1->Integer(id), id2;
 			Storage::real K1 = r1->Real(tensor_K), K2, Kav;
 			face->Normal(f_nrm); // Get the face normal
@@ -200,7 +199,6 @@ int main(int argc,char ** argv)
 			}
 			else
 			{
-				vol2 = r2->Volume();
 				K2 = r2->Real(tensor_K);
 				id2 = r2->Integer(id);
 				r2->Barycenter(r2_cnt);

Examples/MatSolve/main.cpp

@@ -15,7 +15,7 @@ using namespace INMOST;
 
 int main(int argc, char ** argv)
 {
-	if( argc < 3 || argc > 1 && ( atoi(argv[1]) < 0 || atoi(argv[1]) > 11 ) )
+	if( (argc < 3 || argc > 1) && ( atoi(argv[1]) < 0 || atoi(argv[1]) > 11 ) )
 	{
 		std::cout << "Usage: " << argv[0] << " method_number<0:INNER_ILU2,1:INNER_DDPQILUC,2:INNER_MPTILUC,3:INNER_MPTILU2,4:Trilinos_Aztec,5:Trilinos_Belos,6:Trilinos_ML,7:Trilinos_Ifpack,8:PETSc,9:ANI,10:FCBIILU2,11:K3BIILU2> matrix.mtx [right_hand_side.rhs] [exact_solution] [solver_options.txt]" << std::endl;
 		std::cout << "Example: " << argv[0] << "  0 a.mtx b.rhs" << std::endl;

Examples/OldDrawGrid/main.cpp

@@ -930,7 +930,7 @@ public:
 	{
 		if( colors.empty() )
 		{
-			double cc[4] = {c[0],c[1],c[2],alpha};
+			//double cc[4] = {c[0],c[1],c[2],alpha};
 			glColor4dv(c); 
 			for(unsigned k = 0; k < verts.size(); k+=3) 
 			{
@@ -1287,7 +1287,7 @@ public:
 			
 		}
 		*/
-		printf("number of points %d\n",points.size());
+		printf("number of points %d\n",(int)points.size());
 	}
 	void camera(double pos[3], int interactive)
 	{
@@ -2757,7 +2757,7 @@ public:
 	Input(double * val, std::string comment) : comment(comment) {input_link = val; type = Double; canceled = false; done = false; str = "";}
 	Input(char * val, std::string comment) : comment(comment) {input_link = val; type = String; canceled = false; done = false; str = "";}
 	Input(void * link, InputType type, std::string comment) : comment(comment), input_link(link), type(type) {canceled = false; done = false; str = "";}
-	Input(const Input & other):comment(comment), input_link(other.input_link), str(other.str), type(other.type), canceled(other.canceled), done(other.done) {}
+	Input(const Input & other):str(other.str),comment(other.comment), input_link(other.input_link),  type(other.type), done(other.done), canceled(other.canceled) {}
 	Input & operator =(Input const & other) {comment = other.comment; input_link = other.input_link; str = other.str; type = other.type; canceled = other.canceled; done = other.done; return *this;}
 	~Input() {}
 	void KeyPress(char c) 
@@ -2782,7 +2782,7 @@ public:
 			done = true;
 			glutPostRedisplay();
 		}
-		else if( type == String || ( (c >= '0' && c <= '9') || ((str.empty() || tolower(*str.rbegin()) == 'e') && c=='+' || c=='-') || (type == Double && (c=='.' || c=='e' || c == 'E'))) ) 
+		else if( type == String || ( (c >= '0' && c <= '9') || ((str.empty() || tolower(*str.rbegin()) == 'e') && (c=='+' || c=='-')) || (type == Double && (c=='.' || c=='e' || c == 'E'))) )
 		{
 			str += c;
 			glutPostRedisplay();
@@ -2814,7 +2814,7 @@ public:
 		//printtext(str.c_str());
 		char oldval[4096];
 		if( type == Double ) sprintf(oldval,"%g",*(double*)input_link);
-		else if( type == Integer ) sprintf(oldval,"%g",*(int*)input_link);
+		else if( type == Integer ) sprintf(oldval,"%d",*(int*)input_link);
 		else if( type == String ) sprintf(oldval,"%s",(char *)input_link);
 		printtext("input number (%s[%s]:%s): %s",comment.c_str(),oldval,type == Integer ? "integer": (type == Double ? "double" : "string"), str.c_str());
 	}
@@ -3512,6 +3512,23 @@ void draw_screen()
 						}
 						break;
 					}
+                    case DATA_VARIABLE:
+                    {
+                        Storage::var_array arr = e->VariableArray(*t);
+                        for(INMOST_DATA_ENUM_TYPE k = 0; k < arr.size(); k++)
+                        {
+                            std::stringstream stream;
+                            stream << arr[k].GetValue() << " {[" << arr[k].GetRow().Size() << "] ";
+                            for(INMOST_DATA_ENUM_TYPE q = 0; q < arr[k].GetRow().Size(); ++q)
+                            {
+                                stream << "(" << arr[k].GetRow().GetValue(q) << "," << arr[k].GetRow().GetIndex(q) << ") ";
+                            }
+                            stream << "}";
+                            sprintf(temp,"%s %s",str,stream.str().c_str());
+                            strcpy(str,temp);
+                        }
+                        break;
+                    }
 				}
 				sprintf(temp,"%s %s %s",t->GetTagName().c_str(),DataTypeName(t->GetDataType()),str);
 				strcpy(str,temp);
@@ -4009,7 +4026,7 @@ int main(int argc, char ** argv)
         streamlines.push_back(Streamline(octsearch,xyz,vel,cell_size,velmin,velmax,-1.0,0));
       }
     }
-    printf("done from %d by %d grid, total streamlines = %d\n",numlines,numlines,streamlines.size());
+    printf("done from %d by %d grid, total streamlines = %d\n",numlines,numlines,(int)streamlines.size());
     mesh->DeleteTag(cell_size);
     printf("done, total streamlines = %d\n",streamlines.size());
     printf("killing octree, was sets %d\n",mesh->NumberOfSets());

Source/Headers/inmost_common.h

@@ -51,7 +51,7 @@
 // output xml files for debugging of parallel algorithms
 // search for style.xsl within examples for comfortable
 // view of generated xml files
-//#define USE_PARALLEL_WRITE_TIME
+#define USE_PARALLEL_WRITE_TIME
 
 // this will revert Mesh::PrepareReceiveInner to always
 // use MPI point to point functionality disregarding problem type
@@ -107,6 +107,7 @@
 #define INMOST_MPI_Request     int
 #define INMOST_MPI_Type        int
 #define INMOST_MPI_Comm        int
+#define INMOST_MPI_Group       int
 #define INMOST_MPI_COMM_WORLD  0
 #define INMOST_MPI_BYTE        0
 #define INMOST_MPI_INT         0
@@ -114,10 +115,12 @@
 #define INMOST_MPI_UNSIGNED    0
 #define INMOST_MPI_Win         int
 #define INMOST_MPI_DATATYPE_NULL 0
+#define INMOST_MPI_GROUP_EMPTY 0
 #else
 #define INMOST_MPI_Request     MPI_Request
 #define INMOST_MPI_Type        MPI_Datatype
 #define INMOST_MPI_Comm        MPI_Comm
+#define INMOST_MPI_Group       MPI_Group
 #define INMOST_MPI_COMM_WORLD  MPI_COMM_WORLD
 #define INMOST_MPI_BYTE        MPI_BYTE
 #define INMOST_MPI_INT         MPI_INT
@@ -125,10 +128,11 @@
 #define INMOST_MPI_UNSIGNED    MPI_UNSIGNED
 #define INMOST_MPI_Win         MPI_Win
 #define INMOST_MPI_DATATYPE_NULL MPI_DATATYPE_NULL
+#define INMOST_MPI_GROUP_EMPTY MPI_GROUP_EMPTY
 #endif
 
 
-#define INMOST_MPI_SIZE           int //in case MPI standard changes and compiler gives tons of warning
+#define INMOST_MPI_SIZE           int //in case MPI standard changes and compiler gives tons of warnings
 
 #define INMOST_DATA_INTEGER_TYPE  int           
 #define INMOST_DATA_REAL_TYPE     double        

Source/Headers/inmost_expression.h

@@ -207,7 +207,7 @@ namespace INMOST
     }
     __INLINE multivar_expression & operator /=(basic_expression const & expr)
     {
-      INMOST_DATA_REAL_TYPE lval = value, rval = expr.GetValue();
+      INMOST_DATA_REAL_TYPE rval = expr.GetValue();
       INMOST_DATA_REAL_TYPE reciprocial_rval = 1.0/rval;
       value *= reciprocial_rval;
       if( CheckCurrentAutomatizator() )
@@ -1044,18 +1044,22 @@ namespace INMOST
       name = _name;
       size = _size;
       vals = new INMOST_DATA_REAL_TYPE[size];
-      std::copy(_vals,_vals+size,vals);
+      memcpy(vals,_vals,sizeof(INMOST_DATA_REAL_TYPE)*size);
+      //std::copy(_vals,_vals+size,vals);
       args = new INMOST_DATA_REAL_TYPE[size];
-      std::copy(_args,_args+size,args);
+      memcpy(args,_args,sizeof(INMOST_DATA_REAL_TYPE)*size);
+      //std::copy(_args,_args+size,args);
     }
     keyval_table(const keyval_table & other)
     {
       name = other.name;
       size = other.size;
       vals = new INMOST_DATA_REAL_TYPE[size];
-      std::copy(other.vals,other.vals+size,vals);
+      memcpy(vals,other.vals,sizeof(INMOST_DATA_REAL_TYPE)*size);
+      //std::copy(other.vals,other.vals+size,vals);
       args = new INMOST_DATA_REAL_TYPE[size];
-      std::copy(other.args,other.args+size,args);
+      memcpy(args,other.args,sizeof(INMOST_DATA_REAL_TYPE)*size);
+      //std::copy(other.args,other.args+size,args);
     }
     keyval_table & operator = (keyval_table const & other)
     {
@@ -1063,9 +1067,11 @@ namespace INMOST
       name = other.name;
       size = other.size;
       vals = new INMOST_DATA_REAL_TYPE[size];
-      std::copy(other.vals,other.vals+size,vals);
+      memcpy(vals,other.vals,sizeof(INMOST_DATA_REAL_TYPE)*size);
+      //std::copy(other.vals,other.vals+size,vals);
       args = new INMOST_DATA_REAL_TYPE[size];
-      std::copy(other.args,other.args+size,args);
+      memcpy(args,other.args,sizeof(INMOST_DATA_REAL_TYPE)*size);
+      //std::copy(other.args,other.args+size,args);
       return * this;
     }
     ~keyval_table()

Source/Headers/inmost_mesh.h

@@ -1240,6 +1240,7 @@ namespace INMOST
 		ElementType                         have_global_id;
 		INMOST_DATA_BIG_ENUM_TYPE           parallel_mesh_unique_id;
 		INMOST_MPI_Comm                     comm;
+        //INMOST_MPI_Group                    group;
 		Tag                                 tag_shared;
 		Tag                                 tag_owner;
 		Tag                                 tag_processors;
@@ -2355,6 +2356,8 @@ namespace INMOST
 		int                               GetProcessorsNumber();
 		/// Retrieve MPI communicator
 		INMOST_MPI_Comm                   GetCommunicator    ();
+        /// Retrieve MPI group corresponding to the communicator
+        INMOST_MPI_Group                  GetGroup           ();
 		/// Set MPI communicator
 		void                              SetCommunicator    (INMOST_MPI_Comm _comm);
 		void                              ResolveShared      ();

Source/Headers/inmost_sparse.h

@@ -349,7 +349,7 @@ namespace INMOST
           const INMOST_DATA_REAL_TYPE * operator ->() const {return &(*LinkedList)[pos].second;}
           iterator & operator ++(){ pos = (*LinkedList)[pos].first; return *this;}
           iterator operator ++(int){ iterator ret(LinkedList); ret.pos = (*LinkedList)[pos].first; return ret; }
-          iterator & operator = (const iterator & other) {LinkedList = other.LinkedList; pos = other.pos;}
+            iterator & operator = (const iterator & other) {LinkedList = other.LinkedList; pos = other.pos; return *this;}
           bool operator ==(const iterator & other) const {return LinkedList == other.LinkedList && pos == other.pos;}
           bool operator !=(const iterator & other) const {return LinkedList != other.LinkedList || pos != other.pos;}
           bool operator < (const iterator & other) const {return LinkedList == other.LinkedList && pos < other.pos;}

Source/Headers/inmost_variable.h

@@ -156,6 +156,7 @@ namespace INMOST
     virtual void GetVariation(const Storage & e, Sparse::Row & r) const = 0;
     virtual void GetVariation(const Storage & e, Sparse::RowMerger & r) const = 0;
     virtual abstract_dynamic_variable * Copy() const = 0;
+    virtual ~abstract_dynamic_variable() {}
   };
 
   template<typename RetType>
@@ -210,6 +211,7 @@ namespace INMOST
     virtual void GetVariation(const Storage & e, Sparse::Row & r) const = 0;
     virtual void GetVariation(const Storage & e, Sparse::RowMerger & r) const = 0;
     virtual abstract_dynamic_variable * Copy() const = 0;
+    virtual ~basic_dynamic_variable() {}
   };
 
   template<class VariableType, class Derived>

Source/IO/io.hpp

@@ -134,7 +134,7 @@ namespace INMOST
 		template<typename float_type>
 		fType convert_bytes_to_float(unsigned char * fbytes, unsigned char size,   fByteOrder forder)
 		{
-			float_type ret;
+			float_type ret = 0;
 			if( size == 4 )
 			{
 				unsigned char S; int E; unsigned long F;
@@ -187,7 +187,7 @@ namespace INMOST
 					if ( S == 0 ) F1 = 1.0;
 					else F1 = -1.0;
 					if ( 0 < E ) ret = F1 * ( C + M ) * ::pow ( A, E - B ) ;	
-    					else if ( E == 0 && S == 0 ) ret = 0; 
+                    else if ( E == 0 && S == 0 ) ret = 0;
 					else if ( E == 0 && S == 1 ) ret = 0; // reserved
 					break;
 				default: throw "not implemented";
@@ -241,9 +241,14 @@ namespace INMOST
 					if ( S == 0 && E == 0 && M == 0 ) ret = 0;
 					else ret = F1 * M * ::pow ( A, E - B );
 					break;
-				default: throw "not implemented";
+				default: throw NotImplemented;
 				}
 			}
+            else
+            {
+                std::cout << "Converter for float of size " << size << " do not exist" << std::endl;
+                throw NotImplemented;
+            }
 			return static_cast<fType>(ret);
 		}
 		fType load_fp_test_bytes(const char * bytes, unsigned char size)

Source/IO/mesh_pmf_file.cpp

@@ -22,7 +22,7 @@
 namespace INMOST
 {
   typedef char HeaderType;
-	const HeaderType EndOfData  = 0x01;
+	//const HeaderType EndOfData  = 0x01;
 	const HeaderType NodeHeader = 0x02;
 	const HeaderType EdgeHeader = 0x03;
 	const HeaderType FaceHeader = 0x04;

Source/IO/mesh_xml_file.cpp

@@ -251,7 +251,7 @@ class XMLReader
     }
     double Evaluate(std::string & str)
     {
-      const char * debug_str = str.c_str();
+      //const char * debug_str = str.c_str();
       std::vector<std::string> decompose = Expand(str);
       std::vector<std::string> polish = MakePolish(decompose);
       //Print(polish);
@@ -551,6 +551,7 @@ public:
         break;
       case EndOfFile: Report("Unexpected end of file while reading XML tag name"); done = true; break;
       case Failure: Report("Unrecoverable error while reading XML tag name"); done = true; break;
+      default: Report("Unexpected state %s",StateName(_state).c_str()); done = true; break;
       }
     }
     if( verbose ) Report("info: opened tag %s",ret.c_str());
@@ -589,7 +590,6 @@ public:
     std::string name;
     bool done = false;
     char c;
-    int inner_state = 0;
     if( !(_state == Intro || _state == ReadCloseTagSlash) )
     {
       Report("Cannot read finish tag from state %s",StateName(_state).c_str());
@@ -644,6 +644,8 @@ public:
       case Failure:
         Report("Unexpected failure while searching for </%s>",TagName.c_str());
         return false;
+      default: Report("Unexpected state %s",StateName(_state).c_str()); return false;
+              
       }
     }
     if( verbose ) Report("info: finished tag %s",name.c_str());
@@ -725,6 +727,7 @@ public:
         Report("Unexpected failure while reading attribute name");
         done = true;
         break;
+      default: Report("Unexpected state %s",StateName(_state).c_str()); done = true; break;
       }
     }
     if( verbose ) Report("info: attribute name %s",ret.c_str());
@@ -799,6 +802,7 @@ public:
         Report("Unexpected failure while reading attribute name");
         done = true;
         break;
+      default: Report("Unexpected state %s",StateName(_state).c_str()); done = true; break;
       }
     }
     if( verbose ) Report("info: attribute value %s",ret.c_str());
@@ -869,9 +873,6 @@ public:
     std::string ret;
     char c;
     bool done = false;
-    bool vector = false;
-    bool multpart = false;
-    bool quotes = false;
     int testend = 0;
     if( _state == EndContents ) return "";
     if( _state != WaitContents )
@@ -999,6 +1000,7 @@ public:
         Report("Unexpected failure while reading attribute name");
         done = true;
         break;
+      default: Report("Unexpected state %s",StateName(_state).c_str()); done = true; break;
       }
     }
     return ret;
@@ -1907,7 +1909,7 @@ namespace INMOST
             if( matchsets && nsets != nsets_read ) reader.Report("Number %d of XML tags Set read do not match to the number %d specified",nsets_read,nsets);
 
             //correct links between sets
-            for(int q = 0; q < new_sets.size(); ++q)
+            for(int q = 0; q < (int)new_sets.size(); ++q)
             {
               Element::adj_type & lc = HighConn(new_sets[q]);
               for(Element::adj_type::iterator jt = lc.begin(); jt != lc.end(); ++jt)
@@ -1997,10 +1999,6 @@ namespace INMOST
               HandleType * set_elems = NULL, *it = NULL;
               enumerator set_size = 0;
 
-              const char * debug_setname = setname.c_str();
-              const char * debug_tagname = tagname.c_str();
-               
-
               if( setname != "" )
               {
                 if( etype != NONE ) reader.Report("Warning: SetType should be SetData for data specified for set.");
@@ -2051,7 +2049,6 @@ namespace INMOST
                   it = set_elems + atoi(val.c_str());
                   val = reader.GetContentsWord();
                 }
-                const char * debug_val2 = val.c_str();
                 switch(t.GetDataType())
                 {
                 case DATA_REAL:
@@ -2074,7 +2071,7 @@ namespace INMOST
                         if( !sparse_read && t.GetSize() != ENUMUNDEF && (q + l*((int)Vector.size())+1)%t.GetSize() == 0 )
                         {
                           ++it;
-                          if( it-set_elems < set_size ) data = RealArray(*it,t);
+                          if( ((int)(it-set_elems)) < (int)set_size ) data = RealArray(*it,t);
                         }
                       }
                     }
@@ -2099,7 +2096,7 @@ namespace INMOST
                         if( !sparse_read && t.GetSize() != ENUMUNDEF && (q + l*((int)Vector.size())+1)%t.GetSize() == 0 )
                         {
                           ++it;
-                          if( it-set_elems < set_size ) data = IntegerArray(*it,t);
+                          if( ((int)(it-set_elems)) < (int)set_size ) data = IntegerArray(*it,t);
                         }
                       }
                     }
@@ -2124,7 +2121,7 @@ namespace INMOST
                         if( !sparse_read && t.GetSize() != ENUMUNDEF && (q + l*((int)Vector.size())+1)%t.GetSize() == 0 )
                         {
                           ++it;
-                          if( it-set_elems < set_size ) data = BulkArray(*it,t);
+                          if( ((int)(it-set_elems)) < (int)set_size ) data = BulkArray(*it,t);
                         }
                       }
                     }
@@ -2149,7 +2146,7 @@ namespace INMOST
                         if( !sparse_read && t.GetSize() != ENUMUNDEF && (q + l*((int)Vector.size())+1)%t.GetSize() == 0 )
                         {
                           ++it;
-                          if( it-set_elems < set_size ) data = ReferenceArray(*it,t);
+                          if( ((int)(it-set_elems)) < (int)set_size ) data = ReferenceArray(*it,t);
                         }
                       }
                     }
@@ -2177,7 +2174,7 @@ namespace INMOST
                           if( !sparse_read && t.GetSize() != ENUMUNDEF && (q + l*((int)Vector.size())+1)%t.GetSize() == 0 )
                           {
                             ++it;
-                            if( it-set_elems < set_size ) data = RemoteReferenceArray(*it,t);
+                            if( ((int)(it-set_elems)) < (int)set_size ) data = RemoteReferenceArray(*it,t);
                           }
                         }
                       }
@@ -2203,7 +2200,7 @@ namespace INMOST
                           if( !sparse_read && t.GetSize() != ENUMUNDEF && (q + l*((int)Vector.size())+1)%t.GetSize() == 0 )
                           {
                             ++it;
-                            if( it-set_elems < set_size ) data = RemoteReferenceArray(*it,t);
+                            if( ((int)(it-set_elems)) < (int)set_size ) data = RemoteReferenceArray(*it,t);
                           }
                         }
                       }
@@ -2230,7 +2227,7 @@ namespace INMOST
                         if( !sparse_read && t.GetSize() != ENUMUNDEF && (q + l*((int)Vector.size())+1)%t.GetSize() == 0 )
                         {
                           ++it;
-                          if( it-set_elems < set_size ) data = VariableArray(*it,t);
+                          if( ((int)(it-set_elems)) < (int)set_size ) data = VariableArray(*it,t);
                         }
                       }
                     }

Source/Mesh/cell.cpp

@@ -120,7 +120,7 @@ namespace INMOST
 						{
 							HandleType temp = lc[1];
 							lc[1] = lc[jt];
-							lc[jt] = lc[1];
+							lc[jt] = temp;
 							temp = first;
 							first = last;
 							last = temp;
@@ -130,7 +130,7 @@ namespace INMOST
 						{
 							HandleType temp = lc[1];
 							lc[1] = lc[jt];
-							lc[jt] = lc[1];
+							lc[jt] = temp;
 							break;
 						}
 						++jt;
@@ -173,7 +173,7 @@ namespace INMOST
 				//check that the loop is closed
 				adj_type const & ilc = m->LowConn(lc[iend]);
 				if( ilc.size() != 2 ) return false;
-				if( !( ilc[0] == last && ilc[1] == first || ilc[0] == first && ilc[1] == last ) )
+				if( !( (ilc[0] == last && ilc[1] == first) || (ilc[0] == first && ilc[1] == last) ) )
 					return false;
 			}
 			else
@@ -217,7 +217,7 @@ namespace INMOST
 						{
 							HandleType temp = lc[i];
 							lc[i] = lc[jt];
-							lc[jt] = lc[i];
+							lc[jt] = temp;
 							temp = first;
 							first = last;
 							last = temp;
@@ -227,7 +227,7 @@ namespace INMOST
 						{
 							HandleType temp = lc[i];
 							lc[i] = lc[jt];
-							lc[jt] = lc[i];
+							lc[jt] = temp;
 							break;
 						}
 						++jt;
@@ -279,7 +279,7 @@ namespace INMOST
 				k1 = ENUMUNDEF; 
 				k1 = m->getNext(ilc.data(),static_cast<enumerator>(ilc.size()),k1,hm);
 				k2 = m->getNext(ilc.data(),static_cast<enumerator>(ilc.size()),k1,hm);
-				if( !( ilc[k1] == last && ilc[k2] == first || ilc[k1] == first && ilc[k2] == last ) )
+				if( !( (ilc[k1] == last && ilc[k2] == first) || (ilc[k1] == first && ilc[k2] == last) ) )
 					return false;
 			}
 		}

Source/Mesh/face.cpp

@@ -270,7 +270,7 @@ namespace INMOST
 						{
 							HandleType temp = lc[1];
 							lc[1] = lc[jt];
-							lc[jt] = lc[1];
+							lc[jt] = temp;
 							temp = first;
 							first = last;
 							last = temp;
@@ -280,7 +280,7 @@ namespace INMOST
 						{
 							HandleType temp = lc[1];
 							lc[1] = lc[jt];
-							lc[jt] = lc[1];
+							lc[jt] = temp;
 							break;
 						}
 						++jt;
@@ -323,7 +323,7 @@ namespace INMOST
 				//check that the loop is closed
 				adj_type const & ilc = m->LowConn(lc[iend]);
 				if( ilc.size() != 2 ) return false;
-				if( !( ilc[0] == last && ilc[1] == first || ilc[0] == first && ilc[1] == last ) )
+				if( !( (ilc[0] == last && ilc[1] == first) || (ilc[0] == first && ilc[1] == last) ) )
 					return false;
 			}
 			else
@@ -367,7 +367,7 @@ namespace INMOST
 						{
 							HandleType temp = lc[i];
 							lc[i] = lc[jt];
-							lc[jt] = lc[i];
+							lc[jt] = temp;
 							temp = first;
 							first = last;
 							last = temp;
@@ -377,7 +377,7 @@ namespace INMOST
 						{
 							HandleType temp = lc[i];
 							lc[i] = lc[jt];
-							lc[jt] = lc[i];
+							lc[jt] = temp;
 							break;
 						}
 						++jt;
@@ -429,7 +429,7 @@ namespace INMOST
 				k1 = ENUMUNDEF; 
 				k1 = m->getNext(ilc.data(),static_cast<enumerator>(ilc.size()),k1,hm);
 				k2 = m->getNext(ilc.data(),static_cast<enumerator>(ilc.size()),k1,hm);
-				if( !( ilc[k1] == last && ilc[k2] == first || ilc[k1] == first && ilc[k2] == last ) )
+				if( !( (ilc[k1] == last && ilc[k2] == first) || (ilc[k1] == first && ilc[k2] == last) ) )
 					return false;
 			}
 		}

Source/Mesh/mesh.cpp

@@ -570,7 +570,7 @@ namespace INMOST
 			  if (allocated_meshes[q] == this)
 				  allocated_meshes[q] = NULL;
       std::sort(allocated_meshes.rbegin(), allocated_meshes.rend());
-      while(allocated_meshes.back() == NULL) allocated_meshes.pop_back();
+      while(!allocated_meshes.empty() && allocated_meshes.back() == NULL) allocated_meshes.pop_back();
     }
 		//arrays for data are deallocated inside ~TagManager()
 	}

Source/Mesh/parallel.cpp

@@ -571,7 +571,14 @@ namespace INMOST
 #endif //USE_MPI
 	}
 	
-	
+    INMOST_MPI_Group Mesh::GetGroup()
+    {
+        INMOST_MPI_Group ret = INMOST_MPI_GROUP_EMPTY;
+#if defined(USE_MPI)
+        MPI_Comm_group(GetCommunicator(), &ret);
+#endif
+        return ret;
+    }
 	
 	void Mesh::SetCommunicator(INMOST_MPI_Comm _comm)
 	{
@@ -1009,10 +1016,10 @@ namespace INMOST
 //~ #if defined(USE_MPI_P2P)
 					//~ unsigned * sendsizeall = shared_space;
 					//~ unsigned usend[2] = {sendsize,pack_real.size()};
-					//~ REPORT_MPI(MPI_Win_fence(MPI_MODE_NOPRECEDE,window)); //start exchange session
+					//~ REPORT_MPI(MPI_Win_fence(0,window)); //start exchange session
 					//~ for(unsigned k = 0; k < procs.size(); k++)
 						//~ REPORT_MPI(MPI_Put(usend,2,MPI_UNSIGNED,procs[k],mpirank*2,2,MPI_UNSIGNED,window));
-					//~ REPORT_MPI(MPI_Win_fence(MPI_MODE_NOSUCCEED,window)); //end exchange session
+					//~ REPORT_MPI(MPI_Win_fence(MPI_MODE_NOSTORE | MPI_MODE_NOSUCCEED,window)); //end exchange session
 //~ #else
 					std::vector<unsigned> sendsizeall(mpisize*2);
 					int pack_size2 = 0;
@@ -3101,6 +3108,7 @@ namespace INMOST
 			std::vector<Storage::integer> global_ids;
 			integer dim = GetDimensions();
 			REPORT_STR("unpack number of nodes");
+            num = 0;
 			if( !buffer.empty() ) MPI_Unpack(&buffer[0],static_cast<INMOST_MPI_SIZE>(buffer.size()),&position,&num,1,INMOST_MPI_DATA_ENUM_TYPE,comm);
 			REPORT_VAL("number of nodes",num);
 			REPORT_STR("unpack nodes coordinates");
@@ -3580,11 +3588,12 @@ namespace INMOST