2: static char help[] = "Illustrates creating an options database.\n\n"; 4: /*T 5: Concepts: introduction to PETSc; 6: Concepts: printing^in parallel 7: Processors: n 8: T*/ 12: #include <petscsys.h> 13: #include <petscviewer.h> 14: int main(int argc,char **argv) 15: { 17: PetscOptions options; 19: PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 20: CHKERRQ(PetscOptionsCreate(&options)); 21: CHKERRQ(PetscOptionsInsert(options,&argc,&argv,"optionsfile")); 22: CHKERRQ(PetscOptionsInsertString(options,"-option1 value1 -option2 -option3 value3")); 23: CHKERRQ(PetscOptionsView(options,PETSC_VIEWER_STDOUT_WORLD)); 24: CHKERRQ(PetscOptionsDestroy(&options)); 25: PetscFinalize(); 26: return ierr; 27: } 30: /*TEST 32: test: 33: localrunfiles: optionsfile 34: filter: egrep -v "(malloc|nox|display|saws_port|vecscatter|options_left|check_pointer_intensity|cuda_initialize|error_output_stdout|use_gpu_aware_mpi)" 36: TEST*/