CHKERRQ() returns error code from the routine. However if the routine is set to
return void - use CHKERRABORT()
CHKERRABORT(PETSC_COMM_WORLD,ierr)
Satish
On Wed, 3 Mar 2021, feng wang wrote:
> Dear All,
>
> I am new to PETSC and have exercised on a few simple programs to get myself
> familiar with PETSC and the simple codes work properly. So the environment
> for PETSC is set up with no problem. Now I am trying to do some work in my
> big code which is written in C++. Somehow, I get the compile error for
> "CHKERRQ", and the error message is:
>
> ~/cfd/petsc/include/petscerror.h:464:196: error: return-statement with a
> value, in function returning 'void' [-fpermissive]
> do {PetscErrorCode ierr__ = (ierr); if (PetscUnlikely(ierr__)) return
> PetscError(PETSC_COMM_SELF,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr__,PETSC_ERROR_REPEAT,"
> ");} while (0)
>
>
> ^
> domain/cfd/petsc_nk.cpp:23:7: note: in expansion of macro ‘CHKERRQ’
> CHKERRQ(ierr);
>
> Basically, it complains about "CHKERRQ", if I remove "CHKERRQ", the code
> compiles with no problem. Could someone please shine some light on this?
>
> Many thanks,
> Feng
>