1: !
  2: !   Example of getting an enum value from the options database in Fortran

  4: #include "petsc/finclude/petsc.h"
  5:       use petsc
  6:       implicit none

  8:       PetscErrorCode                            :: ierr
  9:       Character(len=99) list1(6)
 10:       PetscEnum                                 :: opt = -1
 11:       PetscBool                                 :: set = PETSC_FALSE

 13:       PetscCallA(PetscInitialize(ierr))
 14:       list1(1) = 'a123'
 15:       list1(2) = 'b456'
 16:       list1(3) = 'c789'
 17:       list1(4) = 'list1'
 18:       list1(5) = 'prefix_'
 19:       list1(6) = ''

 21:       write (*, 20) list1(1)
 22: 20    format(A99)
 23:       PetscCallA(PetscOptionsGetEnum(PETSC_NULL_OPTIONS, 'joe_', '-jeff', list1, opt, set, ierr))
 24:       write (*, *) 'opt is ', opt
 25:       write (*, *) 'set is ', set

 27:       PetscCallA(PetscFinalize(ierr))
 28:     end

 30: !
 31: !/*TEST
 32: !
 33: !   build:
 34: !      requires: defined(PETSC_USING_F2003) defined(PETSC_USING_F90FREEFORM)
 35: !
 36: !   test:
 37: !      args: -joe_jeff b456
 38: !
 39: !TEST*/