xref: /petsc/src/snes/utils/ftn-custom/zdmsnesf.c (revision 19caf8f3c08b1f0ca9f5469bde385c134aa76c82)
1af0996ceSBarry Smith #include <petsc/private/fortranimpl.h>
2af0996ceSBarry Smith #include <petsc/private/snesimpl.h>
3382167b7SJed Brown #if defined(PETSC_HAVE_FORTRAN_CAPS)
4382167b7SJed Brown #define dmsnessetjacobian_      DMSNESSETJACOBIAN
5382167b7SJed Brown #define dmsnessetfunction_      DMSNESSETFUNCTION
6382167b7SJed Brown #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
7382167b7SJed Brown #define dmsnessetjacobian_      dmsnessetjacobian
8382167b7SJed Brown #define dmsnessetfunction_      dmsnessetfunction
9382167b7SJed Brown #endif
10382167b7SJed Brown 
11382167b7SJed Brown static struct {
12382167b7SJed Brown   PetscFortranCallbackId snesfunction;
13382167b7SJed Brown   PetscFortranCallbackId snesjacobian;
14382167b7SJed Brown } _cb;
15382167b7SJed Brown 
16d1e9a80fSBarry Smith static PetscErrorCode ourj(SNES snes, Vec X, Mat J, Mat P, void *ptr)
17382167b7SJed Brown {
18382167b7SJed Brown   PetscErrorCode ierr;
19*19caf8f3SSatish Balay   void (*func)(SNES*,Vec*,Mat*,Mat*,void*,PetscErrorCode*),*ctx;
20382167b7SJed Brown   DM dm;
21382167b7SJed Brown   DMSNES sdm;
22382167b7SJed Brown 
23382167b7SJed Brown   PetscFunctionBegin;
24382167b7SJed Brown   ierr = SNESGetDM(snes,&dm);CHKERRQ(ierr);
25382167b7SJed Brown   ierr = DMGetDMSNES(dm, &sdm);CHKERRQ(ierr);
26382167b7SJed Brown   ierr = PetscObjectGetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, _cb.snesjacobian, (PetscVoidFunction *) &func, &ctx);CHKERRQ(ierr);
27d1e9a80fSBarry Smith   (*func)(&snes, &X, &J, &P, ctx, &ierr);CHKERRQ(ierr);
28382167b7SJed Brown   PetscFunctionReturn(0);
29382167b7SJed Brown }
30382167b7SJed Brown 
31*19caf8f3SSatish Balay PETSC_EXTERN void dmsnessetjacobian_(DM *dm, void (*jac)(DM*,Vec*,Mat*,Mat*,void*,PetscErrorCode*), void *ctx, PetscErrorCode *ierr)
32382167b7SJed Brown {
33382167b7SJed Brown   DMSNES sdm;
34382167b7SJed Brown 
35382167b7SJed Brown   *ierr = DMGetDMSNESWrite(*dm, &sdm); if (*ierr) return;
36382167b7SJed Brown   *ierr = PetscObjectSetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, &_cb.snesjacobian, (PetscVoidFunction) jac, ctx); if (*ierr) return;
37382167b7SJed Brown   *ierr = DMSNESSetJacobian(*dm, ourj, NULL);
38382167b7SJed Brown }
39382167b7SJed Brown 
40382167b7SJed Brown static PetscErrorCode ourf(SNES snes, Vec X, Vec F, void *ptr)
41382167b7SJed Brown {
42382167b7SJed Brown   PetscErrorCode ierr;
43*19caf8f3SSatish Balay   void (*func)(SNES*,Vec*,Vec*,void*,PetscErrorCode*), *ctx;
44382167b7SJed Brown   DM dm;
45382167b7SJed Brown   DMSNES sdm;
46382167b7SJed Brown 
47382167b7SJed Brown   PetscFunctionBegin;
48382167b7SJed Brown   ierr = SNESGetDM(snes,&dm);CHKERRQ(ierr);
49382167b7SJed Brown   ierr = DMGetDMSNES(dm, &sdm);CHKERRQ(ierr);
50382167b7SJed Brown   ierr = PetscObjectGetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, _cb.snesfunction, (PetscVoidFunction *) &func, &ctx);CHKERRQ(ierr);
51382167b7SJed Brown   (*func)(&snes, &X, &F, ctx, &ierr);CHKERRQ(ierr);
52382167b7SJed Brown   PetscFunctionReturn(0);
53382167b7SJed Brown }
54382167b7SJed Brown 
55*19caf8f3SSatish Balay PETSC_EXTERN void dmsnessetfunction_(DM *dm, void (*func)(SNES*,Vec*,Vec*,void*,PetscErrorCode*), void *ctx, PetscErrorCode *ierr)
56382167b7SJed Brown {
57382167b7SJed Brown   DMSNES sdm;
58382167b7SJed Brown 
59382167b7SJed Brown   *ierr = DMGetDMSNESWrite(*dm, &sdm); if (*ierr) return;
60382167b7SJed Brown   *ierr = PetscObjectSetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, &_cb.snesfunction, (PetscVoidFunction) func, ctx); if (*ierr) return;
61382167b7SJed Brown   *ierr = DMSNESSetFunction(*dm, ourf, NULL);
62382167b7SJed Brown }
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