1 #include <petsc/private/fortranimpl.h> 2 #include <petsc/private/snesimpl.h> 3 #if defined(PETSC_HAVE_FORTRAN_CAPS) 4 #define dmsnessetjacobian_ DMSNESSETJACOBIAN 5 #define dmsnessetfunction_ DMSNESSETFUNCTION 6 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) 7 #define dmsnessetjacobian_ dmsnessetjacobian 8 #define dmsnessetfunction_ dmsnessetfunction 9 #endif 10 11 static struct { 12 PetscFortranCallbackId snesfunction; 13 PetscFortranCallbackId snesjacobian; 14 } _cb; 15 16 static PetscErrorCode ourj(SNES snes, Vec X, Mat J, Mat P, void *ptr) 17 { 18 PetscErrorCode ierr; 19 void (*func)(SNES*,Vec*,Mat*,Mat*,void*,PetscErrorCode*),*ctx; 20 DM dm; 21 DMSNES sdm; 22 23 PetscFunctionBegin; 24 ierr = SNESGetDM(snes,&dm);CHKERRQ(ierr); 25 ierr = DMGetDMSNES(dm, &sdm);CHKERRQ(ierr); 26 ierr = PetscObjectGetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, _cb.snesjacobian, (PetscVoidFunction *) &func, &ctx);CHKERRQ(ierr); 27 (*func)(&snes, &X, &J, &P, ctx, &ierr);CHKERRQ(ierr); 28 PetscFunctionReturn(0); 29 } 30 31 PETSC_EXTERN void dmsnessetjacobian_(DM *dm, void (*jac)(DM*,Vec*,Mat*,Mat*,void*,PetscErrorCode*), void *ctx, PetscErrorCode *ierr) 32 { 33 DMSNES sdm; 34 35 *ierr = DMGetDMSNESWrite(*dm, &sdm); if (*ierr) return; 36 *ierr = PetscObjectSetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, &_cb.snesjacobian, (PetscVoidFunction) jac, ctx); if (*ierr) return; 37 *ierr = DMSNESSetJacobian(*dm, ourj, NULL); 38 } 39 40 static PetscErrorCode ourf(SNES snes, Vec X, Vec F, void *ptr) 41 { 42 PetscErrorCode ierr; 43 void (*func)(SNES*,Vec*,Vec*,void*,PetscErrorCode*), *ctx; 44 DM dm; 45 DMSNES sdm; 46 47 PetscFunctionBegin; 48 ierr = SNESGetDM(snes,&dm);CHKERRQ(ierr); 49 ierr = DMGetDMSNES(dm, &sdm);CHKERRQ(ierr); 50 ierr = PetscObjectGetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, _cb.snesfunction, (PetscVoidFunction *) &func, &ctx);CHKERRQ(ierr); 51 (*func)(&snes, &X, &F, ctx, &ierr);CHKERRQ(ierr); 52 PetscFunctionReturn(0); 53 } 54 55 PETSC_EXTERN void dmsnessetfunction_(DM *dm, void (*func)(SNES*,Vec*,Vec*,void*,PetscErrorCode*), void *ctx, PetscErrorCode *ierr) 56 { 57 DMSNES sdm; 58 59 *ierr = DMGetDMSNESWrite(*dm, &sdm); if (*ierr) return; 60 *ierr = PetscObjectSetFortranCallback((PetscObject) sdm, PETSC_FORTRAN_CALLBACK_SUBTYPE, &_cb.snesfunction, (PetscVoidFunction) func, ctx); if (*ierr) return; 61 *ierr = DMSNESSetFunction(*dm, ourf, NULL); 62 } 63