1! Demonstrates PetscViewerASCIIOpenWithFileUnit() 2 3program main 4#include <petsc/finclude/petscsys.h> 5 use petscmpi ! or mpi or mpi_f08 6 use petscsys 7 8 implicit none 9 PetscErrorCode :: ierr 10 PetscViewer :: viewer 11 integer :: unit 12 13 ! Every PETSc program should begin with the PetscInitialize() routine. 14 PetscCallA(PetscInitialize(ierr)) 15 16 unit = 6 17 PetscCallA(PetscViewerASCIIOpenWithFileUnit(PETSC_COMM_WORLD, unit, viewer, ierr)) 18 PetscCallA(PetscOptionsView(PETSC_NULL_OPTIONS, viewer, ierr)) 19 PetscCallA(PetscViewerDestroy(viewer, ierr)) 20 PetscCallA(PetscFinalize(ierr)) 21end program main 22 23!/*TEST 24! 25! test: 26! args: -options_view -options_left no 27! 28!TEST*/ 29