1 2 static char help[] = "Illustrates creating an options database.\n\n"; 3 4 #include <petscsys.h> 5 #include <petscviewer.h> 6 int main(int argc,char **argv) 7 { 8 PetscOptions options; 9 10 PetscFunctionBeginUser; 11 PetscCall(PetscInitialize(&argc,&argv,(char*)0,help)); 12 PetscCall(PetscOptionsCreate(&options)); 13 PetscCall(PetscOptionsInsert(options,&argc,&argv,"optionsfile")); 14 PetscCall(PetscOptionsInsertString(options,"-option1 value1 -option2 -option3 value3")); 15 PetscCall(PetscOptionsView(options,PETSC_VIEWER_STDOUT_WORLD)); 16 PetscCall(PetscOptionsDestroy(&options)); 17 PetscCall(PetscFinalize()); 18 return 0; 19 } 20 21 /*TEST 22 23 test: 24 localrunfiles: optionsfile 25 filter: egrep -v "(options_left)" 26 27 TEST*/ 28