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diff -rupN netgen-5.3.0/libsrc/meshing/parallelmesh.cpp netgen-5.3.0-new/libsrc/meshing/parallelmesh.cpp
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--- netgen-5.3.0/libsrc/meshing/parallelmesh.cpp	2014-09-01 20:54:48.987249216 +0200
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+++ netgen-5.3.0-new/libsrc/meshing/parallelmesh.cpp	2014-09-01 21:02:25.783230174 +0200
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@@ -14,7 +14,7 @@ namespace metis {
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 #if METIS_VER_MAJOR >= 5
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 #define METIS5
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-    typedef idx_t idxtype;   
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+    typedef metis::idx_t idxtype;   
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 #else
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 #define METIS4
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     typedef idxtype idx_t;  
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@@ -794,10 +794,10 @@ namespace netgen
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     eptr.Append (eind.Size());
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     Array<idx_t> epart(ne), npart(nn);
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-    int nparts = ntasks-1;
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-    int edgecut;
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+    metis::idx_t nparts = ntasks-1;
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+    metis::idx_t edgecut;
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-    int ncommon = 3;
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+    metis::idx_t ncommon = 3;
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     METIS_PartMeshDual (&ne, &nn, &eptr[0], &eind[0], NULL, NULL, &ncommon, &nparts,
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 			NULL, NULL,
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 			&edgecut, &epart[0], &npart[0]);
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@@ -1029,11 +1029,11 @@ namespace netgen
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     eptr.Append (eind.Size());
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     Array<idx_t> epart(ne), npart(nn);
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-    int nparts = ntasks-1;
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-    int edgecut;
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+    metis::idx_t nparts = ntasks-1;
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+    metis::idx_t edgecut;
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-    int ncommon = 3;
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+    metis::idx_t ncommon = 3;
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     METIS_PartMeshDual (&ne, &nn, &eptr[0], &eind[0], &nwgt[0], NULL, &ncommon, &nparts,
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 			NULL, NULL,
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 			&edgecut, &epart[0], &npart[0]);
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@@ -1266,7 +1266,7 @@ namespace netgen
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     for ( int vert = 0; vert < nn; vert++ )
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       {
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-	FlatArray<int> array ( cnt[vert], &adjacency[ xadj[vert] ] );
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+	FlatArray<metis::idx_t> array ( cnt[vert], &adjacency[ xadj[vert] ] );
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 	BubbleSort(array);
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       }
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@@ -1377,7 +1377,7 @@ namespace netgen
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     for ( int el = 0; el < ne; el++ )
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       {
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-	FlatArray<int> array ( cnt[el], &adjacency[ xadj[el] ] );
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+	FlatArray<metis::idx_t> array ( cnt[el], &adjacency[ xadj[el] ] );
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 	BubbleSort(array);
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       }
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@@ -1428,8 +1428,8 @@ namespace netgen
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   void Mesh :: PartDualHybridMesh2D ( ) 
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   {
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 #ifdef METIS
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-    int ne = GetNSE();
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-    int nv = GetNV();
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+    metis::idx_t ne = GetNSE();
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+    metis::idx_t nv = GetNV();
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     Array<idxtype> xadj(ne+1);
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     Array<idxtype> adjacency(ne*4);
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@@ -1484,18 +1484,18 @@ namespace netgen
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     idxtype *v_weights = NULL, *e_weights = NULL;
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-    int weightflag = 0;
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-    // int numflag = 0;
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-    int nparts = ntasks - 1;
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+    metis::idx_t weightflag = 0;
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+    metis::idx_t numflag = 0;
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+    metis::idx_t nparts = ntasks - 1;
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-    int edgecut;
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+    metis::idx_t edgecut;
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     Array<idxtype> part(ne);
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     for ( int el = 0; el < ne; el++ )
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       BubbleSort (adjacency.Range (xadj[el], xadj[el+1]));
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 #ifdef METIS4	
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-    int options[5];
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+    metis::idx_t options[5];
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     options[0] = 0;
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     METIS_PartGraphKway ( &ne, &xadj[0], &adjacency[0], v_weights, e_weights, &weightflag, 
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 			  &numflag, &nparts, options, &edgecut, &part[0] );