#include <petscsys.h> PetscErrorCode SETERRMPI(MPI_Comm comm,PetscErrorCode ierr,char *message)Collective
| comm | - A communicator, use PETSC_COMM_SELF unless you know all ranks of another communicator will detect the error | |
| ierr | - nonzero error code, see the list of standard error codes in include/petscerror.h | |
| message | - error message |