514   PetscInt      *periodMap;  member
540   PetscCall(PetscFree((*mesh)->periodMap));  in GmshMeshDestroy()
1354   PetscCall(PetscMalloc1(mesh->numNodes, &mesh->periodMap));  in GmshReadPeriodic()
1355   for (n = 0; n < mesh->numNodes; ++n) mesh->periodMap[n] = n;  in GmshReadPeriodic()
1358     PetscCall(GmshReadPeriodic_v41(gmsh, mesh->periodMap));  in GmshReadPeriodic()
1361     PetscCall(GmshReadPeriodic_v40(gmsh, mesh->periodMap));  in GmshReadPeriodic()
1367 …while (mesh->periodMap[n] != mesh->periodMap[mesh->periodMap[n]]) mesh->periodMap[n] = mesh->perio…  in GmshReadPeriodic()
1373       if (mesh->periodMap[n] == n) /* is primary */  in GmshReadPeriodic()
1377       if (mesh->periodMap[n] != n) /* is corresponding  */  in GmshReadPeriodic()
1378         mesh->vertexMap[n] = mesh->vertexMap[mesh->periodMap[n]];  in GmshReadPeriodic()
1935         if (PetscUnlikely(mesh->periodMap[n] != n)) {  in DMPlexCreateGmsh()
1936           PetscInt m = mesh->periodMap[n];  in DMPlexCreateGmsh()