1e54e4138SSatish Balay #include "zpetsc.h" 2e54e4138SSatish Balay #include "petscpc.h" 3e54e4138SSatish Balay #include "petscmg.h" 4e54e4138SSatish Balay 5e54e4138SSatish Balay #if defined(PETSC_HAVE_FORTRAN_CAPS) 6e54e4138SSatish Balay #define pcmgsetresidual_ PCMGSETRESIDUAL 7e54e4138SSatish Balay #define pcmgdefaultresidual_ PCMGDEFAULTRESIDUAL 8e54e4138SSatish Balay #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) 9e54e4138SSatish Balay #define pcmgsetresidual_ pcmgsetresidual 10e54e4138SSatish Balay #define pcmgdefaultresidual_ pcmgdefaultresidual 11e54e4138SSatish Balay #endif 12e54e4138SSatish Balay 13e54e4138SSatish Balay typedef PetscErrorCode (*MVVVV)(Mat,Vec,Vec,Vec); 14e54e4138SSatish Balay static PetscErrorCode ourresidualfunction(Mat mat,Vec b,Vec x,Vec R) 15e54e4138SSatish Balay { 16e54e4138SSatish Balay PetscErrorCode ierr = 0; 17e54e4138SSatish Balay (*(void (PETSC_STDCALL *)(Mat*,Vec*,Vec*,Vec*,PetscErrorCode*))(((PetscObject)mat)->fortran_func_pointers[0]))(&mat,&b,&x,&R,&ierr); 18e54e4138SSatish Balay return 0; 19e54e4138SSatish Balay } 20e54e4138SSatish Balay 21e54e4138SSatish Balay EXTERN_C_BEGIN 22e54e4138SSatish Balay extern void PETSC_STDCALL pcmgdefaultresidual_(Mat*,Vec*,Vec*,Vec*,PetscErrorCode*); 23e54e4138SSatish Balay 24e54e4138SSatish Balay void PETSC_STDCALL pcmgsetresidual_(PC *pc,PetscInt *l,PetscErrorCode (*residual)(Mat*,Vec*,Vec*,Vec*,PetscErrorCode*),Mat *mat, PetscErrorCode *ierr) 25e54e4138SSatish Balay { 26e54e4138SSatish Balay MVVVV rr; 27*f68b968cSBarry Smith if ((PetscVoidFunction)residual == (PetscVoidFunction)pcmgdefaultresidual_) rr = PCMGDefaultResidual; 28e54e4138SSatish Balay else { 29e54e4138SSatish Balay if (!((PetscObject)*mat)->fortran_func_pointers) { 30e54e4138SSatish Balay *ierr = PetscMalloc(1*sizeof(void*),&((PetscObject)*mat)->fortran_func_pointers); 31e54e4138SSatish Balay } 32*f68b968cSBarry Smith ((PetscObject)*mat)->fortran_func_pointers[0] = (PetscVoidFunction)residual; 33e54e4138SSatish Balay rr = ourresidualfunction; 34e54e4138SSatish Balay } 35e54e4138SSatish Balay *ierr = PCMGSetResidual(*pc,*l,rr,*mat); 36e54e4138SSatish Balay } 37e54e4138SSatish Balay 38e54e4138SSatish Balay EXTERN_C_END 39