1e1b39ce3SMatthew G. Knepley #define PETSCDM_DLL 2af0996ceSBarry Smith #include <petsc/private/dmpleximpl.h> /*I "petscdmplex.h" I*/ 3e1b39ce3SMatthew G. Knepley 444cd5272SMichael Lange /*@C 5a1cb98faSBarry Smith DMPlexCreateCGNS - Create a `DMPLEX` mesh from a CGNS file. 644cd5272SMichael Lange 7d083f849SBarry Smith Collective 844cd5272SMichael Lange 944cd5272SMichael Lange Input Parameters: 1044cd5272SMichael Lange + comm - The MPI communicator 1144cd5272SMichael Lange . filename - The name of the CGNS file 1244cd5272SMichael Lange - interpolate - Create faces and edges in the mesh 1344cd5272SMichael Lange 1444cd5272SMichael Lange Output Parameter: 15a1cb98faSBarry Smith . dm - The `DM` object representing the mesh 1644cd5272SMichael Lange 1744cd5272SMichael Lange Level: beginner 1844cd5272SMichael Lange 19a1cb98faSBarry Smith Note: 20a1cb98faSBarry Smith https://cgns.github.io 21a1cb98faSBarry Smith 22*1cc06b55SBarry Smith .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexCreate()`, `DMPlexCreateCGNS()`, `DMPlexCreateExodus()` 2344cd5272SMichael Lange @*/ 24d71ae5a4SJacob Faibussowitsch PetscErrorCode DMPlexCreateCGNSFromFile(MPI_Comm comm, const char filename[], PetscBool interpolate, DM *dm) 25d71ae5a4SJacob Faibussowitsch { 2644cd5272SMichael Lange PetscFunctionBegin; 2744cd5272SMichael Lange PetscValidCharPointer(filename, 2); 2844cd5272SMichael Lange #if defined(PETSC_HAVE_CGNS) 295f34f2dcSJed Brown PetscCall(DMPlexCreateCGNSFromFile_Internal(comm, filename, interpolate, dm)); 3044cd5272SMichael Lange #else 3144cd5272SMichael Lange SETERRQ(comm, PETSC_ERR_SUP, "Loading meshes requires CGNS support. Reconfigure using --with-cgns-dir"); 3244cd5272SMichael Lange #endif 333ba16761SJacob Faibussowitsch PetscFunctionReturn(PETSC_SUCCESS); 3444cd5272SMichael Lange } 3544cd5272SMichael Lange 36e1b39ce3SMatthew G. Knepley /*@ 37a1cb98faSBarry Smith DMPlexCreateCGNS - Create a `DMPLEX` mesh from a CGNS file ID. 38e1b39ce3SMatthew G. Knepley 39d083f849SBarry Smith Collective 40e1b39ce3SMatthew G. Knepley 41e1b39ce3SMatthew G. Knepley Input Parameters: 42e1b39ce3SMatthew G. Knepley + comm - The MPI communicator 43e1b39ce3SMatthew G. Knepley . cgid - The CG id associated with a file and obtained using cg_open 44e1b39ce3SMatthew G. Knepley - interpolate - Create faces and edges in the mesh 45e1b39ce3SMatthew G. Knepley 46e1b39ce3SMatthew G. Knepley Output Parameter: 47a1cb98faSBarry Smith . dm - The `DM` object representing the mesh 48e1b39ce3SMatthew G. Knepley 49e1b39ce3SMatthew G. Knepley Level: beginner 50e1b39ce3SMatthew G. Knepley 51a1cb98faSBarry Smith Note: 52a1cb98faSBarry Smith https://cgns.github.io 53a1cb98faSBarry Smith 54*1cc06b55SBarry Smith .seealso: [](ch_unstructured), `DM`, `DMPLEX`, `DMPlexCreate()`, `DMPlexCreateExodus()` 55e1b39ce3SMatthew G. Knepley @*/ 56d71ae5a4SJacob Faibussowitsch PetscErrorCode DMPlexCreateCGNS(MPI_Comm comm, PetscInt cgid, PetscBool interpolate, DM *dm) 57d71ae5a4SJacob Faibussowitsch { 58e1b39ce3SMatthew G. Knepley PetscFunctionBegin; 59e1b39ce3SMatthew G. Knepley #if defined(PETSC_HAVE_CGNS) 605f34f2dcSJed Brown PetscCall(DMPlexCreateCGNS_Internal(comm, cgid, interpolate, dm)); 61e1b39ce3SMatthew G. Knepley #else 625f34f2dcSJed Brown SETERRQ(comm, PETSC_ERR_SUP, "Loading meshes requires CGNS support. Reconfigure using --download-cgns"); 63e1b39ce3SMatthew G. Knepley #endif 643ba16761SJacob Faibussowitsch PetscFunctionReturn(PETSC_SUCCESS); 65e1b39ce3SMatthew G. Knepley } 66