1: #include "petsc/finclude/petsc.h"
  2: program ex97f90
  3:   use petsc
  4:   implicit none

  6:   ! Get the Fortran kind associated with PetscInt so that we can use literal constants.
  7:   PetscInt                           :: dummyPetscInt
  8:   integer, parameter                  :: kPI = kind(dummyPetscInt)

 10:   type(tDM)                          :: dm
 11:   type(tDMLabel)                     :: label
 12:   character(len=PETSC_MAX_PATH_LEN)  :: ifilename, iobuffer
 13:   DMPolytopeType                     :: cellType
 14:   PetscInt                           :: pStart, pEnd, p
 15:   PetscErrorCode                     :: ierr
 16:   PetscBool                          :: flg

 18:   PetscCallA(PetscInitialize(ierr))

 20:   PetscCallA(PetscOptionsGetString(PETSC_NULL_OPTIONS, PETSC_NULL_CHARACTER, '-i', ifilename, flg, ierr))
 21:   PetscCheckA(flg, PETSC_COMM_WORLD, PETSC_ERR_ARG_OUTOFRANGE, 'missing input file name -i ')

 23:   PetscCallA(DMPlexCreateFromFile(PETSC_COMM_WORLD, ifilename, PETSC_NULL_CHARACTER, PETSC_TRUE, dm, ierr))
 24:   PetscCallA(DMPlexDistributeSetDefault(dm, PETSC_FALSE, ierr))
 25:   PetscCallA(PetscObjectSetName(dm, 'ex97f90', ierr))
 26:   PetscCallA(DMSetFromOptions(dm, ierr))
 27:   PetscCallA(DMViewFromOptions(dm, PETSC_NULL_OBJECT, '-dm_view', ierr))

 29:   PetscCallA(DMGetLabel(dm, 'celltype', label, ierr))
 30:   PetscCallA(DMLabelView(label, PETSC_VIEWER_STDOUT_WORLD, ierr))
 31:   PetscCallA(DMPlexGetHeightStratum(dm, 0_kPI, pStart, pEnd, ierr))
 32:   do p = pStart, pEnd - 1
 33:     PetscCallA(DMPlexGetCellType(dm, p, cellType, ierr))
 34:     write (IOBuffer, '("cell: ",i3," type: ",i3,"\n")') p, cellType
 35:     PetscCallA(PetscPrintf(PETSC_COMM_SELF, IOBuffer, ierr))
 36:   end do
 37:   PetscCallA(DMDestroy(dm, ierr))

 39:   PetscCallA(PetscFinalize(ierr))
 40: end program ex97f90

 42: ! /*TEST
 43: !   build:
 44: !     requires: !complex
 45: !   testset:
 46: !     args: -i ${wPETSC_DIR}/share/petsc/datafiles/meshes/doublet-tet.msh -dm_view
 47: !     nsize: 1
 48: !     test:
 49: !       suffix: 0
 50: !       args:
 51: ! TEST*/