mesh_pmf_file.cpp 62.3 KB
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#include "inmost.h"
#include "io.hpp"

#if defined(USE_MESH)

#if defined(USE_PARALLEL_WRITE_TIME)
#define REPORT_MPI(x) {WriteTab(out_time) << "<MPI><![CDATA[" << #x << "]]></MPI>\n"; x;}
#define REPORT_STR(x) {WriteTab(out_time) << "<TEXT><![CDATA[" << x << "]]></TEXT>\n";}
#define REPORT_VAL(str,x) {WriteTab(out_time) << "<VALUE name=\"" << str << "\"> <CONTENT><![CDATA[" << x << "]]> </CONTENT><CODE><![CDATA[" << #x << "]]></CODE></VALUE>\n";}
#define ENTER_FUNC() long double all_time = Timer(); WriteTab(out_time) << "<FUNCTION name=\"" << __FUNCTION__ << "\" id=\"func" << func_id++ << "\">\n"; Enter();
#define EXIT_FUNC() WriteTab(out_time) << "<TIME>" << Timer() - all_time << "</TIME>\n"; Exit(); WriteTab(out_time) << "</FUNCTION>\n";
#else
#define REPORT_MPI(x) x
#define REPORT_STR(x) 
#define REPORT_VAL(str,x)
#define ENTER_FUNC()
#define EXIT_FUNC() 
#endif


namespace INMOST
{
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	typedef char HeaderType;
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	//const HeaderType EndOfData  = 0x01;
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	const HeaderType NodeHeader = 0x02;
	const HeaderType EdgeHeader = 0x03;
	const HeaderType FaceHeader = 0x04;
	const HeaderType CellHeader = 0x05;
	const HeaderType ESetHeader = 0x06;
	const HeaderType TagsHeader = 0x07;
	const HeaderType MeshHeader = 0x08;
	const HeaderType EoMHeader  = 0x09;
	const HeaderType INMOSTFile   = 0x10;
	const HeaderType MeshDataHeader = 0x11;
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	std::ostream & operator <<(std::ostream & out, HeaderType H)
	{
		out.put(H);
		return out;
	}
	
	std::istream & operator >>(std::istream & in, HeaderType &H)
	{
		in.get(H);
		return in;
	}
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	void Mesh::SavePMF(std::string File)
	{
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		io_converter<INMOST_DATA_INTEGER_TYPE ,INMOST_DATA_REAL_TYPE> iconv;
		io_converter<INMOST_DATA_ENUM_TYPE    ,INMOST_DATA_REAL_TYPE> uconv;
		io_converter<INMOST_DATA_BIG_ENUM_TYPE,INMOST_DATA_REAL_TYPE> buconv;
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		INMOST_DATA_ENUM_TYPE nlow,nhigh, lid;
		char wetype;
		//~ if( m_state == Mesh::Serial ) SetCommunicator(INMOST_MPI_COMM_WORLD);
		std::stringstream out(std::ios::in | std::ios::out | std::ios::binary);
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		out << INMOST::INMOSTFile;
		out << INMOST::MeshHeader;
		ReorderEmpty(NODE | EDGE | FACE | CELL | ESET);
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		uconv.write_iByteOrder(out);
		uconv.write_iByteSize(out);
		iconv.write_iByteOrder(out);
		iconv.write_iByteSize(out);
		iconv.write_fByteOrder(out);
		iconv.write_fByteSize(out);
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		std::set< std::string > nosave, saveonly, noderivs;
		
		nosave = TagOptions("nosave");
		saveonly = TagOptions("saveonly");
		noderivs = TagOptions("noderivatives");
		
		INMOST_DATA_ENUM_TYPE ntags = 0;
		for(Mesh::iteratorTag it = BeginTag(); it != EndTag(); it++)
		{
			//SKIPHERE
			//don't forget to change header[6] if you skip more
			//should match with content after MeshDataHeader
			if( *it == MarkersTag() ) continue; //temporary fix to protect markers being loaded into hide_marker and then marked elements being destroyed by EndModification
			if( *it == HighConnTag() ) continue;
			if( *it == LowConnTag() ) continue;
			if( *it == CoordsTag() ) continue;
			if( *it == SetNameTag() ) continue;
			
			if( CheckSaveSkip(it->GetTagName(),nosave,saveonly) )
				continue;
			
			ntags++;
			
		}
		
		
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		INMOST_DATA_ENUM_TYPE header[9] =
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		{
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			static_cast<INMOST_DATA_ENUM_TYPE>(GetDimensions()),
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfNodes()),
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfEdges()),
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfFaces()),
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfCells()),
			static_cast<INMOST_DATA_ENUM_TYPE>(NumberOfSets()),
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			//NumberOfTags()-5, //add counter to skip unwanted tags here SKIPHERE, search by SKIPHERE for additional instructions
			ntags,
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			static_cast<INMOST_DATA_ENUM_TYPE>(m_state),
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			static_cast<INMOST_DATA_ENUM_TYPE>(GetProcessorRank())
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		},k;
		for(k = 0; k < 9; k++) uconv.write_iValue(out,header[k]);
		out.write(reinterpret_cast<char *>(remember),sizeof(remember));
		
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		// Tags
		out << INMOST::TagsHeader;
		uconv.write_iValue(out,header[6]);
		REPORT_STR("TagsHeader");
		REPORT_VAL("tag_size",header[6]);
		int tags_written = 0;
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		for(Mesh::iteratorTag it = BeginTag(); it != EndTag(); it++)
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		{
			//SKIPHERE
			//don't forget to change header[6] if you skip more
			//should match with content after MeshDataHeader
			if( *it == MarkersTag() ) continue; //temporary fix to protect markers being loaded into hide_marker and then marked elements being destroyed by EndModification
			if( *it == HighConnTag() ) continue;
			if( *it == LowConnTag() ) continue;
			if( *it == CoordsTag() ) continue;
			if( *it == SetNameTag() ) continue;
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			if( CheckSaveSkip(it->GetTagName(),nosave,saveonly) )
				continue;
			
			
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			std::string name = it->GetTagName();
			INMOST_DATA_ENUM_TYPE namesize = static_cast<INMOST_DATA_BULK_TYPE>(name.size());
			INMOST_DATA_BULK_TYPE datatype = static_cast<INMOST_DATA_BULK_TYPE>(it->GetDataType());
			ElementType sparsemask = NONE;
			ElementType definedmask = NONE;
			INMOST_DATA_ENUM_TYPE datalength = it->GetSize();
			for(ElementType current_type = NODE; current_type <= MESH; current_type = current_type << 1)
			{
				if( it->isSparse (current_type) ) sparsemask  |= current_type;
				if( it->isDefined(current_type) ) definedmask |= current_type;
			}
			uconv.write_iValue(out,namesize);
			out.write(name.c_str(), name.size());
			out.put(datatype);
			out.put(sparsemask);
			out.put(definedmask);
			uconv.write_iValue(out,datalength);
			++tags_written;
		}
		assert(tags_written == header[6]);
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		Tag set_id = CreateTag("TEMPORARY_ELEMENT_ID_PMF_WRITER",DATA_INTEGER,ESET|CELL|FACE|EDGE|NODE,NONE,1);
		{
			Storage::integer cur_num = 0;
			for(Mesh::iteratorNode it = BeginNode(); it != EndNode(); ++it) it->IntegerDF(set_id) = cur_num++;
			cur_num = 0;
			for(Mesh::iteratorEdge it = BeginEdge(); it != EndEdge(); ++it) it->IntegerDF(set_id) = cur_num++;
			cur_num = 0;
			for(Mesh::iteratorFace it = BeginFace(); it != EndFace(); ++it) it->IntegerDF(set_id) = cur_num++;
			cur_num = 0;
			for(Mesh::iteratorCell it = BeginCell(); it != EndCell(); ++it) it->IntegerDF(set_id) = cur_num++;
			cur_num = 0;
			for(Mesh::iteratorSet it = BeginSet(); it != EndSet(); ++it) it->IntegerDF(set_id) = cur_num++;
		}
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		// Nodes
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		out << INMOST::NodeHeader;
		uconv.write_iValue(out,header[1]);
		REPORT_STR("NodeHeader");
		REPORT_VAL("node_size",header[1]);
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		for(Mesh::iteratorNode it = BeginNode(); it != EndNode(); it++)
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		{
			Storage::real_array coords = it->Coords();
			for(Storage::real_array::size_type it = 0; it < coords.size(); it++)
				iconv.write_fValue(out,coords[it]);
		}
		
		// Edges
		out << INMOST::EdgeHeader;
		uconv.write_iValue(out,header[2]);
		REPORT_STR("EdgeHeader");
		REPORT_VAL("edge_size",header[2]);
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		for(Mesh::iteratorEdge it = BeginEdge(); it != EndEdge(); it++)
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		{
			Element::adj_type & lc = LowConn(*it);
			nlow = static_cast<INMOST_DATA_ENUM_TYPE>(lc.size());
			uconv.write_iValue(out,nlow);
			for(Element::adj_type::size_type kt = 0; kt < lc.size(); ++kt)
			{
				lid = IntegerDF(lc[kt],set_id);
				uconv.write_iValue(out,lid);
			}
		}
		
		// Faces
		out << INMOST::FaceHeader;
		uconv.write_iValue(out,header[3]);
		REPORT_STR("FaceHeader");
		REPORT_VAL("face_size",header[3]);
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		for(Mesh::iteratorFace it = BeginFace(); it != EndFace(); it++)
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		{
			Element::adj_type & lc = LowConn(*it);
			nlow = static_cast<INMOST_DATA_ENUM_TYPE>(lc.size());
			uconv.write_iValue(out,nlow);
			for(Element::adj_type::size_type kt = 0; kt < lc.size(); ++kt)
			{
				lid = IntegerDF(lc[kt],set_id);
				uconv.write_iValue(out,lid);
			}
		}
		
		// Cells
		out << INMOST::CellHeader;
		uconv.write_iValue(out,header[4]);
		REPORT_STR("CellHeader");
		REPORT_VAL("cell_size",header[4]);
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		for(Mesh::iteratorCell it = BeginCell(); it != EndCell(); it++)
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		{
			Element::adj_type & lc = LowConn(*it);
			nlow = static_cast<INMOST_DATA_ENUM_TYPE>(lc.size());
			uconv.write_iValue(out,nlow);
			for(Element::adj_type::size_type kt = 0; kt < lc.size(); ++kt)
			{
				lid = IntegerDF(lc[kt],set_id);
				uconv.write_iValue(out,lid);
			}
			Element::adj_type & hc = HighConn(*it);
			nhigh = static_cast<INMOST_DATA_ENUM_TYPE>(hc.size());
			uconv.write_iValue(out,nhigh);
			for(Element::adj_type::size_type kt = 0; kt < hc.size(); ++kt)
			{
				lid = IntegerDF(hc[kt],set_id);
				uconv.write_iValue(out,lid);
			}
		}
		
		// Element Sets
		out << INMOST::ESetHeader;
		REPORT_STR("ESetHeader");
		REPORT_VAL("eset_size",header[5]);
		uconv.write_iValue(out,header[5]);
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		for(Mesh::iteratorSet it = BeginSet(); it != EndSet(); ++it)
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		{
			std::string name = it->GetName();
			INMOST_DATA_ENUM_TYPE name_size = static_cast<INMOST_DATA_ENUM_TYPE>(name.size());
			assert(name_size < 4096);
			uconv.write_iValue(out,name_size);
			out.write(name.c_str(),name.size());
			Element::adj_type & lc = LowConn(it->GetHandle());
			uconv.write_iValue(out,static_cast<enumerator>(lc.size()));
			for(Element::adj_type::iterator kt = lc.begin(); kt != lc.end(); ++kt)
			{
				if( *kt != InvalidHandle() )
				{
					wetype = GetHandleElementType(*kt);
					out.put(wetype);
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					assert(wetype != NONE);
					lid = IntegerDF(*kt,set_id);
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					uconv.write_iValue(out,lid);
				}
				else out.put(NONE);
			}
			Element::adj_type & hc = HighConn(it->GetHandle());
			//write tree information
			uconv.write_iValue(out,static_cast<enumerator>(hc.size()));
			for(Element::adj_type::iterator kt = hc.begin(); kt != hc.begin()+ElementSet::high_conn_reserved-1; ++kt)
			{
				if( *kt != InvalidHandle() )
				{
					wetype = GetHandleElementType(*kt);
					out.put(wetype);
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					assert(wetype != NONE);
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					lid = IntegerDF(*kt,set_id);
					uconv.write_iValue(out,lid);
				}
				else out.put(NONE);
			}
			//write additional information
			for(Element::adj_type::iterator kt = hc.begin()+ElementSet::high_conn_reserved-1; kt != hc.end(); ++kt)
			{
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				uconv.write_iValue(out,*kt);
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			}
		}
		
		out << INMOST::MeshDataHeader;
		REPORT_STR("MeshDataHeader");
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		for(Mesh::iteratorTag jt = BeginTag(); jt != EndTag(); jt++)
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		{
			std::string tagname = jt->GetTagName();
			//skipping should match with header[6] and content
			// after TagsHeader
			//SKIPHERE
			if( *jt == set_id ) continue;
			if( *jt == HighConnTag() ) continue;
			if( *jt == LowConnTag() ) continue;
			if( *jt == MarkersTag() ) continue;
			if( *jt == CoordsTag() ) continue;
			if( *jt == SetNameTag() ) continue;
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			if( CheckSaveSkip(tagname,nosave,saveonly) )
				continue;
			
			
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			REPORT_VAL("TagName",tagname);
			for(ElementType etype = NODE; etype <= MESH; etype = etype << 1)
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				if( jt->isDefined(etype) )
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				{
					INMOST_DATA_ENUM_TYPE q = 0;
					INMOST_DATA_ENUM_TYPE tagsize = jt->GetSize(), recsize = tagsize, lid, k;
					DataType data_type = jt->GetDataType();
					bool sparse = jt->isSparse(etype);
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					for(Mesh::iteratorStorage it = Begin(etype); it != End(); it++)
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					{
						if( !sparse || (sparse && it->HaveData(*jt)) )
						{
							if( sparse ) uconv.write_iValue(out,q);
							if( tagsize == ENUMUNDEF )
							{
								recsize = it->GetDataSize(*jt);
								uconv.write_iValue(out,recsize);
							}
							switch(data_type)
							{
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								case DATA_REAL:
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								{
									Storage::real_array arr = it->RealArray(*jt);
									for(k = 0; k < recsize; k++)
										uconv.write_fValue(out,arr[k]);
								} break;
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								case DATA_INTEGER:
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								{
									Storage::integer_array arr = it->IntegerArray(*jt);
									for(k = 0; k < recsize; k++)
										uconv.write_iValue(out,arr[k]);
								} break;
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								case DATA_BULK:
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								{
									out.write(reinterpret_cast<char *>(&it->Bulk(*jt)),recsize);
								} break;
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								case DATA_REFERENCE:
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								{
									Storage::reference_array arr = it->ReferenceArray(*jt);
									for(k = 0; k < recsize; k++)
									{
										if( arr[k].isValid() )
										{
											wetype = arr[k].GetElementType();
											out.put(wetype);
											lid = IntegerDF(arr[k]->GetHandle(),set_id);
											uconv.write_iValue(out,lid);
										}
										else out.put(NONE);
									}
								} break;
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								case DATA_REMOTE_REFERENCE:
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								{
									Storage::remote_reference_array arr = it->RemoteReferenceArray(*jt);
									for(k = 0; k < recsize; k++)
									{
										if( arr[k].isValid() )
										{
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											uconv.write_iValue(out,static_cast<INMOST_DATA_ENUM_TYPE>(arr[k].GetMeshLink()->GetMeshName().size()));
											out.write(arr[k].GetMeshLink()->GetMeshName().c_str(),arr[k].GetMeshLink()->GetMeshName().size());
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											wetype = arr[k].GetElementType();
											out.put(wetype);
											lid = IntegerDF(arr[k]->GetHandle(),set_id);
											uconv.write_iValue(out,lid);
										}
										else out.put(NONE);
									}
								} break;
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#if defined(USE_AUTODIFF)
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								case DATA_VARIABLE:
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								{
									Storage::var_array arr = it->VariableArray(*jt);
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									if( noderivs.find(jt->GetTagName()) != noderivs.end() )
									{
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										//~ std::cout << "Saving " << jt->GetTagName() << " without derivatives" << std::endl;
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										for(k = 0; k < recsize; k++)
										{
											const Sparse::Row & r = arr[k].GetRow();
											uconv.write_fValue(out,arr[k].GetValue());
											uconv.write_iValue(out,0);
										}
									}
									else
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									{
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										//~ std::cout << "Saving " << jt->GetTagName() << " with derivatives" << std::endl;
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										for(k = 0; k < recsize; k++)
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										{
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											const Sparse::Row & r = arr[k].GetRow();
											uconv.write_fValue(out,arr[k].GetValue());
											uconv.write_iValue(out,arr[k].GetRow().Size());
											for(int m = 0; m < (int)r.Size(); ++m)
											{
												uconv.write_fValue(out,r.GetValue(m));
												uconv.write_iValue(out,r.GetIndex(m));
											}
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										}
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									}
								} break;
#endif
							}
						}
						q++;
					}
					if( sparse ) uconv.write_iValue(out,q);
				}
		}
		DeleteTag(set_id);
		
		out << INMOST::EoMHeader;
#if defined(USE_MPI)
		if( m_state == Mesh::Parallel )
		{
			REPORT_STR("Parallel write");
			int ierr;
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			INMOST_DATA_ENUM_TYPE numprocs = GetProcessorsNumber(),k;
			INMOST_DATA_BIG_ENUM_TYPE datasize = static_cast<INMOST_DATA_ENUM_TYPE>(out.tellp()), offset;
			std::vector<INMOST_DATA_BIG_ENUM_TYPE> datasizes(numprocs,0), offsets(numprocs,0);
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			REPORT_VAL("local_write_file_size",datasize);
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			REPORT_MPI(ierr = MPI_Gather(&datasize,1,INMOST_MPI_DATA_BIG_ENUM_TYPE,&datasizes[0],1,INMOST_MPI_DATA_BIG_ENUM_TYPE,0,GetCommunicator()));
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			if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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#if defined(USE_MPI_FILE) //We have access to MPI_File
			if( parallel_file_strategy == 1 )
			{
				MPI_File fh;
				MPI_Status stat;
				REPORT_MPI(ierr = MPI_File_open(GetCommunicator(),const_cast<char *>(File.c_str()), MPI_MODE_CREATE | MPI_MODE_DELETE_ON_CLOSE | MPI_MODE_WRONLY, MPI_INFO_NULL, &fh));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				REPORT_MPI(ierr = MPI_File_close(&fh));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				REPORT_MPI(ierr = MPI_Barrier(GetCommunicator()));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				REPORT_MPI(ierr = MPI_File_open(GetCommunicator(),const_cast<char *>(File.c_str()),MPI_MODE_CREATE | MPI_MODE_WRONLY,MPI_INFO_NULL,&fh));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				if( GetProcessorRank() == 0 )
				{
					std::stringstream header;
					header.put(INMOST::INMOSTFile);
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					buconv.write_iByteOrder(header);
					buconv.write_iByteSize(header);
					buconv.write_iValue(header,numprocs);
					for(k = 0; k < numprocs; k++) buconv.write_iValue(header,datasizes[k]);
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					std::string header_data(header.str());
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					REPORT_MPI(ierr = MPI_File_write(fh,&header_data[0],static_cast<INMOST_MPI_SIZE>(header_data.size()),MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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					MPI_Offset off;
					REPORT_MPI(ierr = MPI_File_get_position(fh,&off));
					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
					offsets[0] = off;
					for(k = 1; k < numprocs; ++k)
						offsets[k] = offsets[k-1] + datasizes[k-1];
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				}
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				else offsets.resize(1,0);
				
				REPORT_MPI(ierr = MPI_Scatter(&offsets[0],1,INMOST_MPI_DATA_BIG_ENUM_TYPE,&offset,1,INMOST_MPI_DATA_BIG_ENUM_TYPE,0,GetCommunicator()));
				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
				REPORT_VAL("local write offset",offset);
				
				if( datasize )
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				{
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					INMOST_DATA_BIG_ENUM_TYPE shift = 0, chunk;
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					std::string local_data(out.str());
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					//TODO: remove temporary check!!!
					if( static_cast<INMOST_DATA_BIG_ENUM_TYPE>(local_data.size()) != datasize )
						std::cout << __FILE__ << ":" << __LINE__ << " different sizes " << local_data.size() << " and " << datasize << std::endl;
					//REPORT_MPI(ierr = MPI_File_write_ordered(fh,&local_data[0],static_cast<INMOST_MPI_SIZE>(local_data.size()),MPI_CHAR,&stat));
					while( shift != datasize )
					{
						chunk = std::min(static_cast<INMOST_DATA_BIG_ENUM_TYPE>(INT_MAX),datasize-shift);
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						REPORT_MPI(ierr = MPI_File_write_at(fh,offset+shift,local_data.c_str()+shift,static_cast<INMOST_MPI_SIZE>(chunk),MPI_CHAR,&stat));
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						if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
						shift += chunk;
					}
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				}
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				REPORT_MPI(ierr = MPI_File_close(&fh));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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			}
			else
#endif
			{
				std::string file_contents;
				std::string local_data(out.str());
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				std::vector<MPI_Request> requests;
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				if( GetProcessorRank() == 0 )
				{
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					INMOST_DATA_BIG_ENUM_TYPE sizesum = datasizes[0];
					for(k = 1; k < numprocs; k++)
						sizesum += datasizes[k];
					file_contents.resize(sizesum);
					memcpy(&file_contents[0],&local_data[0],sizeof(char)*datasizes[0]);
					INMOST_DATA_BIG_ENUM_TYPE offset = datasizes[0];
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					for(k = 1; k < numprocs; k++)
					{
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						INMOST_DATA_BIG_ENUM_TYPE chunk, shift = 0;
						int it = 0; // for mpi tag
						while( shift != datasizes[k] )
						{
							MPI_Request req;
							chunk = std::min(static_cast<INMOST_DATA_BIG_ENUM_TYPE>(INT_MAX),datasizes[k] - shift);
							REPORT_MPI(ierr = MPI_Irecv(&file_contents[offset+shift],chunk,MPI_CHAR,k, k*1000 + it, GetCommunicator(), &req) );
							if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
							requests.push_back(req);
							shift += chunk;
							it++;
							//TODO: remove temporary check
							if( it >= 1000 )
								std::cout << __FILE__ << ":" << __LINE__ << " too many iterations!!! " << it << " datasize " << datasizes[k] << std::endl;
						}
						offset += shift;
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					}
				}
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				else 
				{
					INMOST_DATA_BIG_ENUM_TYPE chunk, shift = 0;
					int it = 0; // for mpi tag
					while( shift != datasize )
					{
						MPI_Request req;
						chunk = std::min(static_cast<INMOST_DATA_BIG_ENUM_TYPE>(INT_MAX),datasize - shift);
						REPORT_MPI(ierr = MPI_Isend(&local_data[shift],chunk,MPI_CHAR, 0, GetProcessorRank()*1000 + it, GetCommunicator(), &req) );
						if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
						requests.push_back(req);
						shift += chunk;
						it++;
						//TODO: remove temporary check
						if( it >= 1000 )
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							std::cout << __FILE__ << ":" << __LINE__ << " too many iterations!!! " << it << " datasize " << datasize << std::endl;
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					}
				}
				if( !requests.empty() )
				{
					REPORT_MPI(ierr = MPI_Waitall((int)requests.size(),&requests[0],MPI_STATUSES_IGNORE));
					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
				}
				//~ REPORT_MPI(ierr = MPI_Gatherv(&local_data[0],static_cast<INMOST_MPI_SIZE>(local_data.size()),MPI_CHAR,&file_contents[0],&recvcounts[0],&displs[0],MPI_CHAR,0,GetCommunicator()));
				//~ if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				if( GetProcessorRank() == 0 )
				{
					std::fstream fout(File.c_str(),std::ios::out | std::ios::binary);
					fout.put(INMOST::INMOSTFile);
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					buconv.write_iByteOrder(fout);
					buconv.write_iByteSize(fout);
					buconv.write_iValue(fout,numprocs);
					for(k = 0; k < numprocs; k++) 
						buconv.write_iValue(fout,datasizes[k]);
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					fout.write(&file_contents[0],file_contents.size());
					fout.close();
				}
			}
		}
		else
#endif
		{
			REPORT_STR("Serial write");
			std::fstream fout(File.c_str(),std::ios::out | std::ios::binary);
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			INMOST_DATA_ENUM_TYPE numprocs = 1;
			INMOST_DATA_BIG_ENUM_TYPE datasize = static_cast<INMOST_DATA_BIG_ENUM_TYPE>(out.tellp());
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			REPORT_VAL("write_file_size",datasize);
			fout.put(INMOST::INMOSTFile);
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			buconv.write_iByteOrder(fout);
			buconv.write_iByteSize(fout);
			buconv.write_iValue(fout,numprocs);
			buconv.write_iValue(fout,datasize);
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			fout << out.rdbuf();
			fout.close();
		}
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	}
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	void Mesh::LoadPMF(std::string File)
	{
		int verbosity = 0;
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		for(INMOST_DATA_ENUM_TYPE k = 0; k < file_options.size(); ++k)
		{
			if( file_options[k].first == "VERBOSITY" )
			{
				verbosity = atoi(file_options[k].second.c_str());
				if( verbosity < 0 || verbosity > 2 )
				{
					printf("%s:%d Unknown verbosity option: %s\n",__FILE__,__LINE__,file_options[k].second.c_str());
					verbosity = 1;
				}
			}
		}
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		io_converter<INMOST_DATA_INTEGER_TYPE ,INMOST_DATA_REAL_TYPE> iconv;
		io_converter<INMOST_DATA_ENUM_TYPE    ,INMOST_DATA_REAL_TYPE> uconv;
		io_converter<INMOST_DATA_BIG_ENUM_TYPE,INMOST_DATA_REAL_TYPE> buconv;
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		REPORT_STR("start load pmf");
		dynarray<INMOST_DATA_ENUM_TYPE,128> myprocs;
		std::stringstream in(std::ios::in | std::ios::out | std::ios::binary);
		HeaderType token;
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		std::set< std::string > noload, loadonly, noderivs;
		
		noload = TagOptions("noload");
		loadonly = TagOptions("loadonly");
		noderivs = TagOptions("noderivatives");
		
		
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#if defined(USE_MPI)
		if( m_state == Mesh::Parallel )
		{
#if defined(USE_MPI_FILE)
			if( parallel_file_strategy == 1 )
			{
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				REPORT_STR("strategy 1");
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				int ierr;
				std::vector<char> buffer;
				MPI_File fh;
				MPI_Status stat;
				REPORT_MPI(ierr = MPI_File_open(GetCommunicator(),const_cast<char *>(File.c_str()),MPI_MODE_RDONLY,MPI_INFO_NULL,&fh));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				INMOST_DATA_ENUM_TYPE numprocs = GetProcessorsNumber(), mpirank = GetProcessorRank();
				INMOST_DATA_BIG_ENUM_TYPE recvsize = 0, offset = 0;
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				REPORT_VAL("number of processors",numprocs);
				REPORT_VAL("rank of processor", mpirank);
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				std::vector<INMOST_DATA_BIG_ENUM_TYPE> recvsizes, offsets;
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				if( mpirank == 0 ) //the alternative is to read alltogether
				{
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					INMOST_DATA_ENUM_TYPE datanum, chunk,pos,k,q;\
					INMOST_DATA_BIG_ENUM_TYPE rdatanum;
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					std::stringstream header;
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					buffer.resize(3);
					//ierr = MPI_File_read_all(fh,&buffer[0],3,MPI_CHAR,&stat);
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					REPORT_MPI(ierr = MPI_File_read(fh,&buffer[0],3,MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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					if( static_cast<HeaderType>(buffer[0]) != INMOST::INMOSTFile ) throw BadFile;
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					header.write(&buffer[1],2);
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					buconv.read_iByteOrder(header);
					buconv.read_iByteSize(header);
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					REPORT_VAL("integer_byte_order",buconv.str_iByteOrder(uconv.get_iByteOrder()));
					REPORT_VAL("integer_byte_size",(int)buconv.get_iByteSize());
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					buffer.resize(buconv.get_source_iByteSize());
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					//ierr = MPI_File_read_all(fh,&buffer[0],buffer.size(),MPI_CHAR,&stat);
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					REPORT_MPI(ierr = MPI_File_read(fh,&buffer[0],static_cast<INMOST_MPI_SIZE>(buffer.size()),MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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					header.write(&buffer[0],buffer.size());
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					buconv.read_iValue(header,rdatanum);
					datanum = static_cast<INMOST_DATA_ENUM_TYPE>(rdatanum);
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					REPORT_VAL("number of data entries",datanum);
					
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					buffer.resize(datanum*buconv.get_source_iByteSize());
					std::vector<INMOST_DATA_BIG_ENUM_TYPE> datasizes(datanum);
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					//ierr = MPI_File_read_all(fh,&buffer[0],buffer.size(),MPI_CHAR,&stat);
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					REPORT_MPI(ierr = MPI_File_read(fh,&buffer[0],static_cast<INMOST_MPI_SIZE>(buffer.size()),MPI_CHAR,&stat));
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					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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					INMOST_DATA_BIG_ENUM_TYPE datasum = 0;
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					header.write(&buffer[0],buffer.size());
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					for(k = 0; k < datanum; k++)
					{
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						buconv.read_iValue(header,datasizes[k]);
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						REPORT_VAL("size of data entry " << k,datasizes[k]);
						datasum += datasizes[k];
					}
					REPORT_VAL("total size",datasum);
					
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					recvsizes.resize(numprocs,0);
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					offsets.resize(numprocs,0);
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					if( datanum <= recvsizes.size() )
					{
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						REPORT_STR("number of processors is greater or equal then number of data entries");
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						for(k = 0; k < datanum; k++)
							recvsizes[k] = datasizes[k];
					}
					else
					{
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						REPORT_STR("number of processors is less then number of data entries - accumulating data");
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						chunk = static_cast<INMOST_DATA_ENUM_TYPE>(floor(static_cast<double>(datanum)/static_cast<double>(recvsizes.size())));
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						REPORT_VAL("chunk size" ,chunk);
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						pos = 0;
						for(k = 0; k < recvsizes.size()-1; k++)
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						{
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							for(q = 0; q < chunk; q++)
								recvsizes[k] += datasizes[pos++];
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							REPORT_VAL("recv on " << k, recvsizes[k]);
						}
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						for(k = pos; k < datanum; k++)
							recvsizes[recvsizes.size()-1] += datasizes[k];
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						REPORT_VAL("recv on " << recvsizes.size()-1, recvsizes[recvsizes.size()-1]);
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					}
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					MPI_Offset off;
					REPORT_MPI(ierr = MPI_File_get_position(fh,&off));
					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
					
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					//~ std::cout << "file offset: " << off << " size of big enum " << sizeof(INMOST_DATA_BIG_ENUM_TYPE) << std::endl;
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					offsets[0] = off;
					for(k = 1; k < recvsizes.size(); k++)
						offsets[k] = offsets[k-1] + recvsizes[k-1];
				}
				else 
				{
					recvsizes.resize(1,0); //protect from dereferencing null
					offsets.resize(1,0);
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				}
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				REPORT_MPI(ierr = MPI_Scatter(&recvsizes[0],1,INMOST_MPI_DATA_BIG_ENUM_TYPE,&recvsize,1,INMOST_MPI_DATA_BIG_ENUM_TYPE,0,GetCommunicator()));
				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
				
				REPORT_MPI(ierr = MPI_Scatter(&offsets[0],1,INMOST_MPI_DATA_BIG_ENUM_TYPE,&offset,1,INMOST_MPI_DATA_BIG_ENUM_TYPE,0,GetCommunicator()));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				REPORT_VAL("read on current processor",recvsize);
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				REPORT_VAL("offset on current processor",offset);
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				//~ std::cout << "read on " << GetProcessorRank() << " size " << recvsize << " offset " << offset << std::endl;
				//~ std::cout.flush();
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				//~ {
					//~ REPORT_MPI(ierr = MPI_File_read_ordered(fh,&buffer[0],static_cast<INMOST_MPI_SIZE>(recvsize),MPI_CHAR,&stat));
					//~ if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
					//~ in.write(&buffer[0],recvsize);
				//~ }
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				if( recvsize )
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				{
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					buffer.resize(recvsize);
					INMOST_DATA_BIG_ENUM_TYPE shift = 0, chunk;
					while( shift != recvsize )
					{
						chunk = std::min(static_cast<INMOST_DATA_BIG_ENUM_TYPE>(INT_MAX),recvsize-shift);
						REPORT_MPI(ierr = MPI_File_read_at(fh,offset+shift,&buffer[shift],static_cast<INMOST_MPI_SIZE>(chunk),MPI_CHAR,&stat));
						if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
						shift += chunk;
					}
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					in.write(&buffer[0],recvsize);
				}
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				REPORT_MPI(ierr = MPI_File_close(&fh));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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			}
			else
#endif
			{
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				REPORT_STR("strategy 0");
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				int ierr;
				std::vector<char> buffer, local_buffer;
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				INMOST_DATA_BIG_ENUM_TYPE recvsize;
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				INMOST_DATA_ENUM_TYPE numprocs = GetProcessorsNumber(),mpirank = GetProcessorRank();
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				std::vector<INMOST_DATA_BIG_ENUM_TYPE> recvsizes(numprocs,0);
				std::vector<MPI_Request> requests;
				//~ std::vector<INMOST_MPI_SIZE> sendcnts(numprocs), displs(numprocs);
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				REPORT_VAL("number of processors",numprocs);
				REPORT_VAL("rank of processor", mpirank);
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				if( mpirank == 0 ) //zero reads everything
				{
					std::fstream fin(File.c_str(),std::ios::in | std::ios::binary);
					fin.get(token);
					if( token != INMOST::INMOSTFile ) throw BadFile;
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					buconv.read_iByteOrder(fin);
					buconv.read_iByteSize(fin);
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					REPORT_VAL("file position",fin.tellg());
					
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					REPORT_VAL("integer_byte_order",buconv.str_iByteOrder(uconv.get_iByteOrder()));
					REPORT_VAL("integer_byte_size",(int)buconv.get_iByteSize());
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					INMOST_DATA_ENUM_TYPE datanum,k,q,chunk,pos;
					INMOST_DATA_BIG_ENUM_TYPE datasum = 0, rdatanum;
					buconv.read_iValue(fin,rdatanum);
					datanum = static_cast<INMOST_DATA_ENUM_TYPE>(rdatanum);
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					REPORT_VAL("number of data entries",datanum);
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					REPORT_VAL("file position",fin.tellg());
					
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					std::vector<INMOST_DATA_BIG_ENUM_TYPE> datasizes(datanum);
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					for(k = 0; k < datanum; k++)
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					{
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						buconv.read_iValue(fin,datasizes[k]);
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						REPORT_VAL("size of data entry " << k,datasizes[k]);
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						datasum += datasizes[k];
					}
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					REPORT_VAL("file position",fin.tellg());
					
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					{
						buffer.resize(datasum);
						fin.read(&buffer[0],buffer.size());
					}
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					REPORT_VAL("file position",fin.tellg());
					REPORT_VAL("total size",datasum);
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					fin.close();
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					if( datanum <= recvsizes.size() )
					{
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						REPORT_STR("number of processors is greater or equal then number of data entries");
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						for(k = 0; k < datanum; k++)
							recvsizes[k] = datasizes[k];
					}
					else
					{
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						REPORT_STR("number of processors is less then number of data entries - accumulating data");
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						chunk = static_cast<INMOST_DATA_ENUM_TYPE>(floor(static_cast<double>(datanum)/static_cast<double>(recvsizes.size())));
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						REPORT_VAL("chunk size" ,chunk);
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						pos = 0;
						for(k = 0; k < recvsizes.size()-1; k++)
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						{
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							for(q = 0; q < chunk; q++)
								recvsizes[k] += datasizes[pos++];
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							REPORT_VAL("recv on " << k, recvsizes[k]);
						}
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						for(k = pos; k < datanum; k++)
							recvsizes[recvsizes.size()-1] += datasizes[k];
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						REPORT_VAL("recv on " << recvsizes.size()-1, recvsizes[recvsizes.size()-1]);
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					}
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					//~ displs[0] = 0;
					//~ sendcnts[0] = static_cast<INMOST_MPI_SIZE>(recvsizes[0]);
					//~ REPORT_VAL("disp on "<<0,displs[0]);
					//~ REPORT_VAL("send on "<<0,sendcnts[0]);
					
					//copy local
					local_buffer.resize(recvsizes[0]);
					memcpy(&local_buffer[0],&buffer[0],sizeof(char)*recvsizes[0]);
					in.write(&local_buffer[0],local_buffer.size());
					REPORT_VAL("output position",in.tellg());
					
					INMOST_DATA_BIG_ENUM_TYPE offset = recvsizes[0];
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					for(k = 1; k < numprocs; k++)
					{
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						//~ sendcnts[k] = static_cast<INMOST_MPI_SIZE>(recvsizes[k]);
						//~ displs[k] = sendcnts[k-1]+displs[k-1];
						//~ REPORT_VAL("disp on "<<k,displs[k]);
						//~ REPORT_VAL("send on "<<k,sendcnts[k]);
						
						INMOST_DATA_BIG_ENUM_TYPE chunk, shift = 0;
						int it = 0; // for mpi tag
						while( shift != recvsizes[k] )
						{
							MPI_Request req;
							chunk = std::min(static_cast<INMOST_DATA_BIG_ENUM_TYPE>(INT_MAX),recvsizes[k] - shift);
							REPORT_MPI(ierr = MPI_Isend(&buffer[offset+shift],chunk,MPI_CHAR, k, k*1000 + it, GetCommunicator(), &req) );
							if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
							requests.push_back(req);
							shift += chunk;
							it++;
							//TODO: remove temporary check
							if( it >= 1000 )
								std::cout << __FILE__ << ":" << __LINE__ << " too many iterations!!! " << it << " datasize " << recvsizes[k] << std::endl;
						}
						offset += shift;
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					}
				}
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				REPORT_MPI(ierr = MPI_Scatter(&recvsizes[0],1,INMOST_MPI_DATA_BIG_ENUM_TYPE,&recvsize,1,INMOST_MPI_DATA_BIG_ENUM_TYPE,0,GetCommunicator()));
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				if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
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				//~ std::cout << "on processor " << mpirank << " recieve " << recvsize << std::endl;
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				REPORT_VAL("read on current processor",recvsize);
				
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				if( mpirank && recvsize )
				{
					local_buffer.resize(recvsize);
					INMOST_DATA_BIG_ENUM_TYPE chunk, shift = 0;
					int it = 0; // for mpi tag
					while( shift != recvsize )
					{
						MPI_Request req;
						chunk = std::min(static_cast<INMOST_DATA_BIG_ENUM_TYPE>(INT_MAX),recvsize - shift);
						REPORT_MPI(ierr = MPI_Irecv(&local_buffer[shift],chunk,MPI_CHAR, 0, GetProcessorRank()*1000 + it, GetCommunicator(), &req) );
						if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
						requests.push_back(req);
						shift += chunk;
						it++;
						//TODO: remove temporary check
						if( it >= 1000 )
							std::cout << __FILE__ << ":" << __LINE__ << " too many iterations!!! " << it << " datasize " << recvsize << std::endl;
					}
					in.write(&local_buffer[0],local_buffer.size());
					REPORT_VAL("output position",in.tellg());
				}
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				if( !requests.empty() )
				{
					//~ std::cout << mpirank << " wait " << requests.size() << std::endl;
					REPORT_MPI(ierr = MPI_Waitall((int)requests.size(),&requests[0],MPI_STATUSES_IGNORE));
					if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
				}
				//~ std::cout << mpirank << " is out " << std::endl;
				
				//~ REPORT_MPI(ierr = MPI_Scatterv(&buffer[0],&sendcnts[0],&displs[0],MPI_CHAR,&local_buffer[0],recvsize,MPI_CHAR,0,GetCommunicator()));
				//~ if( ierr != MPI_SUCCESS ) REPORT_MPI(MPI_Abort(GetCommunicator(),__LINE__));
				//~ in.write(&local_buffer[0],local_buffer.size());
				//~ REPORT_VAL("output position",in.tellg());
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			}
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		}
		else
#endif
		{
			std::fstream fin(File.c_str(),std::ios::in | std::ios::binary);
			fin.get(token);
			if( token != INMOST::INMOSTFile ) throw BadFile;
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			buconv.read_iByteOrder(fin);
			buconv.read_iByteSize(fin);
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			REPORT_VAL("file position",fin.tellg());
			
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			REPORT_VAL("integer_byte_order",buconv.str_iByteOrder(uconv.get_iByteOrder()));
			REPORT_VAL("integer_byte_size",(int)buconv.get_iByteSize());
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			INMOST_DATA_ENUM_TYPE datanum,k;
			INMOST_DATA_BIG_ENUM_TYPE datasum = 0, rdatanum;
			buconv.read_iValue(fin,rdatanum);
			datanum = static_cast<INMOST_DATA_ENUM_TYPE>(rdatanum);
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			REPORT_VAL("file position",fin.tellg());
			
			REPORT_VAL("number of data entries",datanum);
			
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			std::vector<INMOST_DATA_BIG_ENUM_TYPE> datasizes(datanum);
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			for(k = 0; k < datanum; k++)
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			{
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				buconv.read_iValue(fin,datasizes[k]);
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				REPORT_VAL("size of data entry " << k,datasizes[k]);
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				datasum += datasizes[k];
			}
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			REPORT_VAL("file position",fin.tellg());
			
			REPORT_VAL("total size",datasum);
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			{
				std::vector<char> buffer;
				buffer.resize(datasum);
				fin.read(&buffer[0],buffer.size());
				in.write(&buffer[0],buffer.size());
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				REPORT_VAL("output position",in.tellg());
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			}
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			REPORT_VAL("file position",fin.tellg());
			
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			fin.close();
		}
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		//std::fstream in(File.c_str(),std::ios::in | std::ios::binary);
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		std::vector<Tag> tags;
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		std::vector<bool> tags_skip;
		std::vector<DataType> tags_dtype;
		std::vector<std::string> tags_name;
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		std::vector<ElementType> tags_defined;
		std::vector<ElementType> tags_sparse;
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		std::vector<INMOST_DATA_ENUM_TYPE> tags_sizes;
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		std::vector<HandleType> old_nodes;
		std::vector<HandleType> new_nodes;
		std::vector<HandleType> new_edges;
		std::vector<HandleType> new_faces;
		std::vector<HandleType> new_cells;
		std::vector<HandleType> new_sets;
		INMOST_DATA_ENUM_TYPE size,i,q;
		TopologyCheck tmp;
		INMOST_DATA_ENUM_TYPE current_dim = GetDimensions();
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		bool start = false;
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		std::map<GeometricData,ElementType> table;
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		BeginModification();
		
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		while (in >> token)
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		{
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			REPORT_VAL("output position, loop",in.tellg());
			if( !start )
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			{
				if( token != INMOST::INMOSTFile ) throw BadFile; //check that this is valid file
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				else
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				{
					REPORT_STR("File chunk start read");
					//~ std::cout << "start read" << std::endl;
					tags.clear();
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					tags_skip.clear();
					tags_dtype.clear();
					tags_name.clear();
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					tags_defined.clear();
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					tags_sparse.clear();
					tags_sizes.clear();
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					old_nodes.clear();
					old_nodes.resize(NumberOfNodes());
					{
						unsigned qq = 0;
						for(Mesh::iteratorNode it = BeginNode(); it != EndNode(); ++it)
							old_nodes[qq++] = *it;
					}
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					if( !old_nodes.empty() )
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						std::sort(old_nodes.begin(),old_nodes.end(),CentroidComparator(this));
					if( old_nodes.empty() )
					{
						tmp = GetTopologyCheck(DUPLICATE_CELL | DUPLICATE_FACE | DUPLICATE_EDGE); //we expect not to have duplicates
						RemTopologyCheck(DUPLICATE_CELL | DUPLICATE_FACE | DUPLICATE_EDGE);
					}
					else
					{
						tmp = GetTopologyCheck(DUPLICATE_CELL | DUPLICATE_FACE | DUPLICATE_EDGE); //we expect to have duplicates
						SetTopologyCheck(DUPLICATE_CELL | DUPLICATE_FACE | DUPLICATE_EDGE);
					}
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					start = true;
				}
			}
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			else if (token == INMOST::EoMHeader)
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			{
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				if( !start ) throw BadFile;
				REPORT_STR("File chunk end read");
				//~ std::cout << "end read" << std::endl;
				if( old_nodes.empty() )
				{
					SetTopologyCheck(tmp);
				}
				else
				{
					if( !(tmp & DUPLICATE_CELL) ) RemTopologyCheck(DUPLICATE_CELL);
					if( !(tmp & DUPLICATE_FACE) ) RemTopologyCheck(DUPLICATE_FACE);
					if( !(tmp & DUPLICATE_EDGE) ) RemTopologyCheck(DUPLICATE_EDGE);
				}
				REPORT_VAL("NODE",new_nodes.size());
				REPORT_VAL("EDGE",new_edges.size());
				REPORT_VAL("FACE",new_faces.size());
				REPORT_VAL("CELL",new_cells.size());
				REPORT_VAL("ESET",new_sets.size());
				REPORT_VAL("TAG",tags.size());
				start = false; //probably the next file is in the input
			}
			else if (token == INMOST::MeshHeader)
			{
				REPORT_STR("MeshHeader");
				uconv.read_iByteOrder(in);
				uconv.read_iByteSize(in);
				iconv.read_iByteOrder(in);
				iconv.read_iByteSize(in);
				iconv.read_fByteOrder(in);
				iconv.read_fByteSize(in);
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				INMOST_DATA_ENUM_TYPE header[9],k;
				for(k = 0; k < 9; k++)
					uconv.read_iValue(in,header[k]);
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				{
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					char rtemp[5][3];
					in.read(reinterpret_cast<char *>(rtemp),sizeof(rtemp));
					for(GeometricData d = CENTROID; d <= BARYCENTER; d++)
						for(ElementType et = EDGE; et <= CELL; et = et << 1)
							if( rtemp[d][ElementNum(et)-1] ) table[d] |= et;
					
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				}
				
				
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				current_dim = header[0];
				SetDimensions(header[0]);
				new_nodes.clear();
				new_nodes.resize(header[1]);
				new_edges.clear();
				new_edges.resize(header[2]);
				new_faces.clear();
				new_faces.resize(header[3]);
				new_cells.clear();
				new_cells.resize(header[4]);
				new_sets.clear();
				new_sets.resize(header[5]);
				tags.resize(header[6]);
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				tags_skip.resize(header[6],false);
				tags_dtype.resize(header[6]);
				tags_name.resize(header[6]);
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				tags_defined.resize(header[6]);
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				tags_sparse.resize(header[6]);
				tags_sizes.resize(header[6]);
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				//~ if( static_cast<Mesh::MeshState>(header[7]) == Mesh::Parallel && m_state != Mesh::Parallel)
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				//~ SetCommunicator(INMOST_MPI_COMM_WORLD);
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				myprocs.push_back(header[8]);
			}
			else if (token == INMOST::TagsHeader)
			{
				uconv.read_iValue(in,size);
				REPORT_STR("TagsHeader");
				REPORT_VAL("tag_size",size);
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				for(i = 0; i < size; i++)
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				{
					INMOST_DATA_ENUM_TYPE namesize;
					char name[4096];
					char datatype;
					char sparsemask,definedmask;
					INMOST_DATA_ENUM_TYPE datalength;
					uconv.read_iValue(in,namesize);
					in.read(name, namesize);
					assert(namesize < 4096);
					name[namesize] = '\0';
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					REPORT_VAL("tag name",name);
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					in.get(datatype);
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					REPORT_VAL("tag data type",DataTypeName(static_cast<DataType>(datatype)));
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					in.get(sparsemask);
					in.get(definedmask);
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					//for(ElementType etype = NODE; etype <= MESH; etype = NextElementType(etype) )
					//{
					//  if( etype & definedmask ) REPORT_VAL("defined on",ElementTypeName(etype));
					//  if( etype & sparsemask ) REPORT_VAL("sparse on",ElementTypeName(etype));
					//}
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					uconv.read_iValue(in,datalength);
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					REPORT_VAL("length",datalength);
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					tags_skip[i] = false;
					tags_dtype[i] = static_cast<DataType>(datatype);
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					tags_defined[i] = static_cast<ElementType>(definedmask);
					tags_sparse[i] = static_cast<ElementType>(sparsemask);
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					tags_name[i] = std::string(name);
					tags_sizes[i] = datalength;
					
					tags_skip[i] = CheckLoadSkip(tags_name[i],noload,loadonly);
					
					if( !tags_skip[i] ) 
						tags[i] = CreateTag(std::string(name),static_cast<DataType>(datatype),
											static_cast<ElementType>(definedmask),
											static_cast<ElementType>(sparsemask),datalength);
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					REPORT_VAL("output position, tag " << i,in.tellg());
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				}
			}
			else if (token == INMOST::NodeHeader)
			{
				uconv.read_iValue(in,size);
				assert(size == new_nodes.size());
				REPORT_STR("NodeHeader");
				REPORT_VAL("node_size",size);
				Storage::real coords[3] = {0,0,0};
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				for(i = 0; i < size; i++)
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				{
					for(unsigned int k = 0; k < current_dim; k++) iconv.read_fValue(in,coords[k]);
					int find = -1;
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					if( !old_nodes.empty() )
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					{
						std::vector<HandleType>::iterator it = std::lower_bound(old_nodes.begin(),old_nodes.end(),coords,CentroidComparator(this));
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						if( it != old_nodes.end() )
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						{