xref: /petsc/src/mat/impls/mffd/ftn-custom/zmffdf.c (revision 4e8208cbcbc709572b8abe32f33c78b69c819375)
1 #include <petsc/private/ftnimpl.h>
2 #include <petscmat.h>
3 
4 #if defined(PETSC_HAVE_FORTRAN_CAPS)
5   #define matmffdsetfunction_ MATMFFDSETFUNCTION
6   #define matmffdsetbase_     MATMFFDSETBASE
7 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
8   #define matmffdsetfunction_ matmffdsetfunction
9   #define matmffdsetbase_     matmffdsetbase
10 #endif
11 
ourmatmffdfunction(PetscCtx ctx,Vec x,Vec f)12 static PetscErrorCode ourmatmffdfunction(PetscCtx ctx, Vec x, Vec f)
13 {
14   Mat mat = (Mat)ctx;
15   PetscCallFortranVoidFunction((*(void (*)(void *, Vec *, Vec *, PetscErrorCode *))(((PetscObject)mat)->fortran_func_pointers[0]))((void *)(PETSC_UINTPTR_T)((PetscObject)mat)->fortran_func_pointers[1], &x, &f, &ierr));
16   return PETSC_SUCCESS;
17 }
18 
matmffdsetfunction_(Mat * mat,void (* func)(void *,Vec *,Vec *,PetscErrorCode *),PetscCtx ctx,PetscErrorCode * ierr)19 PETSC_EXTERN void matmffdsetfunction_(Mat *mat, void (*func)(void *, Vec *, Vec *, PetscErrorCode *), PetscCtx ctx, PetscErrorCode *ierr)
20 {
21   PetscObjectAllocateFortranPointers(*mat, 2);
22   ((PetscObject)*mat)->fortran_func_pointers[0] = (PetscFortranCallbackFn *)func;
23   ((PetscObject)*mat)->fortran_func_pointers[1] = (PetscFortranCallbackFn *)(PETSC_UINTPTR_T)ctx;
24 
25   *ierr = MatMFFDSetFunction(*mat, ourmatmffdfunction, *mat);
26 }
27