1b45d2f2cSJed Brown #include <petsc-private/fortranimpl.h> 2c6db04a5SJed Brown #include <petscpc.h> 3e54e4138SSatish Balay 4e54e4138SSatish Balay #if defined(PETSC_HAVE_FORTRAN_CAPS) 5e54e4138SSatish Balay #define pcmgsetresidual_ PCMGSETRESIDUAL 6e54e4138SSatish Balay #define pcmgdefaultresidual_ PCMGDEFAULTRESIDUAL 7e54e4138SSatish Balay #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) 8e54e4138SSatish Balay #define pcmgsetresidual_ pcmgsetresidual 9e54e4138SSatish Balay #define pcmgdefaultresidual_ pcmgdefaultresidual 10e54e4138SSatish Balay #endif 11e54e4138SSatish Balay 12e54e4138SSatish Balay typedef PetscErrorCode (*MVVVV)(Mat,Vec,Vec,Vec); 13e54e4138SSatish Balay static PetscErrorCode ourresidualfunction(Mat mat,Vec b,Vec x,Vec R) 14e54e4138SSatish Balay { 15e54e4138SSatish Balay PetscErrorCode ierr = 0; 16e54e4138SSatish Balay (*(void (PETSC_STDCALL *)(Mat*,Vec*,Vec*,Vec*,PetscErrorCode*))(((PetscObject)mat)->fortran_func_pointers[0]))(&mat,&b,&x,&R,&ierr); 17e54e4138SSatish Balay return 0; 18e54e4138SSatish Balay } 19e54e4138SSatish Balay 20*8cc058d9SJed Brown PETSC_EXTERN void pcmgdefaultresidual_(Mat *mat,Vec *b,Vec *x,Vec *r, PetscErrorCode *ierr) 211f6cc5b2SSatish Balay { 221f6cc5b2SSatish Balay *ierr = PCMGDefaultResidual(*mat,*b,*x,*r); 231f6cc5b2SSatish Balay } 24e54e4138SSatish Balay 25*8cc058d9SJed Brown PETSC_EXTERN void PETSC_STDCALL pcmgsetresidual_(PC *pc,PetscInt *l,PetscErrorCode (*residual)(Mat*,Vec*,Vec*,Vec*,PetscErrorCode*),Mat *mat, PetscErrorCode *ierr) 26e54e4138SSatish Balay { 27e54e4138SSatish Balay MVVVV rr; 28f68b968cSBarry Smith if ((PetscVoidFunction)residual == (PetscVoidFunction)pcmgdefaultresidual_) rr = PCMGDefaultResidual; 29e54e4138SSatish Balay else { 307850c7c0SBarry Smith PetscObjectAllocateFortranPointers(*mat,1); 317850c7c0SBarry Smith /* Attach the residual computer to the Mat, this is not ideal but the only object/context passed in the residual computer */ 32f68b968cSBarry Smith ((PetscObject)*mat)->fortran_func_pointers[0] = (PetscVoidFunction)residual; 332fa5cd67SKarl Rupp 34e54e4138SSatish Balay rr = ourresidualfunction; 35e54e4138SSatish Balay } 36e54e4138SSatish Balay *ierr = PCMGSetResidual(*pc,*l,rr,*mat); 37e54e4138SSatish Balay } 38e54e4138SSatish Balay 39