1 #include <petsc/private/ftnimpl.h> 2 #include <petsc/private/matimpl.h> 3 4 /* Declare these pointer types instead of void* for clarity, but do not include petscts.h so that this code does have an actual reverse dependency. */ 5 typedef struct _p_TS *TS; 6 typedef struct _p_SNES *SNES; 7 8 #if defined(PETSC_HAVE_FORTRAN_CAPS) 9 #define matfdcoloringsetfunctionts_ MATFDCOLORINGSETFUNCTIONTS 10 #define matfdcoloringsetfunction_ MATFDCOLORINGSETFUNCTION 11 #define matfdcoloringgetperturbedcolumns_ MATFDCOLORINGGETPERTURBEDCOLUMNS 12 #define matfdcoloringrestoreperturbedcolumns_ MATFDCOLORINGRESTOREPERTURBEDCOLUMNS 13 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) 14 #define matfdcoloringsetfunctionts_ matfdcoloringsetfunctionts 15 #define matfdcoloringsetfunction_ matfdcoloringsetfunction 16 #define matfdcoloringgetperturbedcolumns_ matfdcoloringgetperturbedcolumns 17 #define matfdcoloringrestoreperturbedcolumns_ matfdcoloringrestoreperturbedcolumns 18 #endif 19 20 PETSC_EXTERN void matfdcoloringgetperturbedcolumns_(MatFDColoring *x, PetscInt *len, F90Array1d *ptr, int *__ierr PETSC_F90_2PTR_PROTO(ptrd)) 21 { 22 const PetscInt *fa; 23 24 *__ierr = MatFDColoringGetPerturbedColumns(*x, len, &fa); 25 if (*__ierr) return; 26 *__ierr = F90Array1dCreate((void *)fa, MPIU_INT, 1, *len, ptr PETSC_F90_2PTR_PARAM(ptrd)); 27 } 28 PETSC_EXTERN void matfdcoloringrestoreperturbedcolumns_(MatFDColoring *x, PetscInt *len, F90Array1d *ptr, int *__ierr PETSC_F90_2PTR_PROTO(ptrd)) 29 { 30 *__ierr = F90Array1dDestroy(ptr, MPIU_INT PETSC_F90_2PTR_PARAM(ptrd)); 31 } 32 33 /* These are not extern C because they are passed into non-extern C user level functions */ 34 static PetscErrorCode ourmatfdcoloringfunctionts(TS ts, PetscReal t, Vec x, Vec y, MatFDColoring fd) 35 { 36 PetscErrorCode ierr = PETSC_SUCCESS; 37 (*(void (*)(TS *, PetscReal *, Vec *, Vec *, void *, PetscErrorCode *))fd->ftn_func_pointer)(&ts, &t, &x, &y, fd->ftn_func_cntx, &ierr); 38 return ierr; 39 } 40 41 static PetscErrorCode ourmatfdcoloringfunctionsnes(SNES snes, Vec x, Vec y, MatFDColoring fd) 42 { 43 PetscErrorCode ierr = PETSC_SUCCESS; 44 (*(void (*)(SNES *, Vec *, Vec *, void *, PetscErrorCode *))fd->ftn_func_pointer)(&snes, &x, &y, fd->ftn_func_cntx, &ierr); 45 return ierr; 46 } 47 48 /* 49 MatFDColoringSetFunction sticks the Fortran function and its context into the MatFDColoring structure and passes the MatFDColoring object 50 in as the function context. ourmafdcoloringfunctionsnes() and ourmatfdcoloringfunctionts() then access the function and its context from the 51 MatFDColoring that is passed in. This is the same way that fortran_func_pointers is used in PETSc objects. 52 53 NOTE: FORTRAN USER CANNOT PUT IN A NEW J OR B currently. 54 */ 55 56 PETSC_EXTERN void matfdcoloringsetfunctionts_(MatFDColoring *fd, void (*f)(TS *, double *, Vec *, Vec *, void *, PetscErrorCode *), void *ctx, PetscErrorCode *ierr) 57 { 58 (*fd)->ftn_func_pointer = (PetscFortranCallbackFn *)f; 59 (*fd)->ftn_func_cntx = ctx; 60 61 *ierr = MatFDColoringSetFunction(*fd, (MatFDColoringFn *)(PetscVoidFn *)ourmatfdcoloringfunctionts, *fd); 62 } 63 64 PETSC_EXTERN void matfdcoloringsetfunction_(MatFDColoring *fd, void (*f)(SNES *, Vec *, Vec *, void *, PetscErrorCode *), void *ctx, PetscErrorCode *ierr) 65 { 66 (*fd)->ftn_func_pointer = (PetscFortranCallbackFn *)f; 67 (*fd)->ftn_func_cntx = ctx; 68 69 *ierr = MatFDColoringSetFunction(*fd, (MatFDColoringFn *)ourmatfdcoloringfunctionsnes, *fd); 70 } 71