xref: /petsc/src/snes/utils/ftn-custom/zdmsnesf.c (revision d1e9a80f72efc361583d2fc822de9783b227627d)
1382167b7SJed Brown #include <petsc-private/fortranimpl.h>
2382167b7SJed Brown #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 
16382167b7SJed Brown #undef __FUNCT__
17382167b7SJed Brown #define __FUNCT__ "ourj"
18*d1e9a80fSBarry Smith static PetscErrorCode ourj(SNES snes, Vec X, Mat J, Mat P, void *ptr)
19382167b7SJed Brown {
20382167b7SJed Brown   PetscErrorCode ierr;
21*d1e9a80fSBarry Smith   void (PETSC_STDCALL *func)(SNES*,Vec*,Mat*,Mat*,void*,PetscErrorCode*),*ctx;
22382167b7SJed Brown   DM dm;
23382167b7SJed Brown   DMSNES sdm;
24382167b7SJed Brown 
25382167b7SJed Brown   PetscFunctionBegin;
26382167b7SJed Brown   ierr = SNESGetDM(snes,&dm);CHKERRQ(ierr);
27382167b7SJed Brown   ierr = DMGetDMSNES(dm, &sdm);CHKERRQ(ierr);
28382167b7SJed Brown   ierr = PetscObjectGetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, _cb.snesjacobian, (PetscVoidFunction *) &func, &ctx);CHKERRQ(ierr);
29*d1e9a80fSBarry Smith   (*func)(&snes, &X, &J, &P, ctx, &ierr);CHKERRQ(ierr);
30382167b7SJed Brown   PetscFunctionReturn(0);
31382167b7SJed Brown }
32382167b7SJed Brown 
33*d1e9a80fSBarry Smith PETSC_EXTERN void PETSC_STDCALL dmsnessetjacobian_(DM *dm, void (PETSC_STDCALL *jac)(DM*,Vec*,Mat*,Mat*,void*,PetscErrorCode*), void *ctx, PetscErrorCode *ierr)
34382167b7SJed Brown {
35382167b7SJed Brown   DMSNES sdm;
36382167b7SJed Brown 
37382167b7SJed Brown   *ierr = DMGetDMSNESWrite(*dm, &sdm); if (*ierr) return;
38382167b7SJed Brown   *ierr = PetscObjectSetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, &_cb.snesjacobian, (PetscVoidFunction) jac, ctx); if (*ierr) return;
39382167b7SJed Brown   *ierr = DMSNESSetJacobian(*dm, ourj, NULL);
40382167b7SJed Brown }
41382167b7SJed Brown 
42382167b7SJed Brown #undef __FUNCT__
43382167b7SJed Brown #define __FUNCT__ "ourf"
44382167b7SJed Brown static PetscErrorCode ourf(SNES snes, Vec X, Vec F, void *ptr)
45382167b7SJed Brown {
46382167b7SJed Brown   PetscErrorCode ierr;
47382167b7SJed Brown   void (PETSC_STDCALL *func)(SNES*,Vec*,Vec*,void*,PetscErrorCode*), *ctx;
48382167b7SJed Brown   DM dm;
49382167b7SJed Brown   DMSNES sdm;
50382167b7SJed Brown 
51382167b7SJed Brown   PetscFunctionBegin;
52382167b7SJed Brown   ierr = SNESGetDM(snes,&dm);CHKERRQ(ierr);
53382167b7SJed Brown   ierr = DMGetDMSNES(dm, &sdm);CHKERRQ(ierr);
54382167b7SJed Brown   ierr = PetscObjectGetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, _cb.snesfunction, (PetscVoidFunction *) &func, &ctx);CHKERRQ(ierr);
55382167b7SJed Brown   (*func)(&snes, &X, &F, ctx, &ierr);CHKERRQ(ierr);
56382167b7SJed Brown   PetscFunctionReturn(0);
57382167b7SJed Brown }
58382167b7SJed Brown 
59382167b7SJed Brown PETSC_EXTERN void PETSC_STDCALL dmsnessetfunction_(DM *dm, void (PETSC_STDCALL *func)(SNES*,Vec*,Vec*,void*,PetscErrorCode*), void *ctx, PetscErrorCode *ierr)
60382167b7SJed Brown {
61382167b7SJed Brown   DMSNES sdm;
62382167b7SJed Brown 
63382167b7SJed Brown   *ierr = DMGetDMSNESWrite(*dm, &sdm); if (*ierr) return;
64382167b7SJed Brown   *ierr = PetscObjectSetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, &_cb.snesfunction, (PetscVoidFunction) func, ctx); if (*ierr) return;
65382167b7SJed Brown   *ierr = DMSNESSetFunction(*dm, ourf, NULL);
66382167b7SJed Brown }
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