1 #pragma once 2 PETSC_INTERN PetscErrorCode TSARKIMEXSetFastSlowSplit_ARKIMEX(TS, PetscBool); 3 PETSC_INTERN PetscErrorCode TSARKIMEXGetFastSlowSplit_ARKIMEX(TS, PetscBool *); 4 PETSC_INTERN PetscErrorCode TSHasRHSFunction(TS, PetscBool *); 5