Hello, thank you very much for your answer!
> No, use 0. It's less typing and that is something that will definitely > never change. I understand but it could be a good thing to give it the same value as EXIT_SUCCESS (from cstdlib) because this value is not always zero. However, that's ok for me. Best, Cédric ----- Mail original ----- > De: "Jed Brown" <[email protected]> > À: "Cedric Doucet" <[email protected]>, [email protected] > Envoyé: Lundi 25 Août 2014 18:47:25 > Objet: Re: [petsc-users] Error and success codes > > Cedric Doucet <[email protected]> writes: > > > Hello, > > > > I want to manage errors with CHKERRQ macro in void functions. > > > > I do not want to use CHKERRV. > > I prefer to modify void functions so that they return an error code. > > > > However, it seems CHKERRQ returns a value in case of failure only. > > Example below does not seem to compile without warning (Wreturn-type flag): > > > > -------------------------- > > PetscErrorCode foo() > > { > > PetscErrorCode code = somePetscFunction(); > > CHKERRQ(code); > > } > > -------------------------- > > > > I guess I need to return a success code like this: > > > > -------------------------- > > PetscErrorCode foo() > > { > > PetscErrorCode code = somePetscFunction(); > > CHKERRQ(code); > > return PETSC_SUCCESS_CODE; > > } > > -------------------------- > > > > However, I do not know the value of the success code of Petsc. > > I guess it is zero but I would prefer to use a macro sucha as > > PETSC_SUCCESS_CODE in the above example. > > Does such a macro exist? > > No, use 0. It's less typing and that is something that will definitely > never change. >
