xref: /petsc/src/mat/impls/mffd/ftn-custom/zmffdf.c (revision 2205254efee3a00a594e5e2a3a70f74dcb40bc03)
1b45d2f2cSJed Brown #include <petsc-private/fortranimpl.h>
2fcfc5002SJed Brown #include <petscmat.h>
3cdcc8137SSatish Balay 
4cdcc8137SSatish Balay #if defined(PETSC_HAVE_FORTRAN_CAPS)
5cdcc8137SSatish Balay #define matmffdsetfunction_            MATMFFDSETFUNCTION
6cdcc8137SSatish Balay #define matmffdsettype_                MATMFFDSETTYPE
76aa9148fSLisandro Dalcin #define matmffdsetoptionsprefix_       MATMFFDSETOPTIONSPREFIX
8cdcc8137SSatish Balay #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
9cdcc8137SSatish Balay #define matmffdsetfunction_            matmffdsetfunction
10cdcc8137SSatish Balay #define matmffdsettype_                matmffdsettype
116aa9148fSLisandro Dalcin #define matmffdsetoptionsprefix_       matmffdsetoptionsprefix
12cdcc8137SSatish Balay #endif
13cdcc8137SSatish Balay 
14cdcc8137SSatish Balay static PetscErrorCode ourmatmffdfunction(void *ctx,Vec x,Vec f)
15cdcc8137SSatish Balay {
16cdcc8137SSatish Balay   PetscErrorCode ierr = 0;
17f5b6597dSBarry Smith   Mat            mat  = (Mat) ctx;
18719477fbSBarry Smith   (*(void (PETSC_STDCALL *)(void*,Vec*,Vec*,PetscErrorCode*))(((PetscObject)mat)->fortran_func_pointers[0]))((void*)((PetscObject)mat)->fortran_func_pointers[1],&x,&f,&ierr);CHKERRQ(ierr);
19cdcc8137SSatish Balay   return 0;
20cdcc8137SSatish Balay }
21cdcc8137SSatish Balay 
22cdcc8137SSatish Balay EXTERN_C_BEGIN
23f5b6597dSBarry Smith void PETSC_STDCALL matmffdsetfunction_(Mat *mat,void (PETSC_STDCALL *func)(void*,Vec*,Vec*,PetscErrorCode*),void *ctx,PetscErrorCode *ierr)
24cdcc8137SSatish Balay {
25cdcc8137SSatish Balay   CHKFORTRANNULLOBJECT(ctx);
26f5b6597dSBarry Smith   PetscObjectAllocateFortranPointers(*mat,2);
27f5b6597dSBarry Smith   ((PetscObject)*mat)->fortran_func_pointers[0] = (PetscVoidFunction)func;
28f5b6597dSBarry Smith   ((PetscObject)*mat)->fortran_func_pointers[1] = (PetscVoidFunction)ctx;
29*2205254eSKarl Rupp 
30f5b6597dSBarry Smith   *ierr = MatMFFDSetFunction(*mat,ourmatmffdfunction,*mat);
31cdcc8137SSatish Balay }
32cdcc8137SSatish Balay 
33f5b6597dSBarry Smith void PETSC_STDCALL matmffdsettype_(Mat *mat,CHAR ftype PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
34cdcc8137SSatish Balay {
35cdcc8137SSatish Balay   char *t;
36cdcc8137SSatish Balay   FIXCHAR(ftype,len,t);
37cdcc8137SSatish Balay   *ierr = MatMFFDSetType(*mat,t);
38cdcc8137SSatish Balay   FREECHAR(ftype,t);
39cdcc8137SSatish Balay }
40cdcc8137SSatish Balay 
416aa9148fSLisandro Dalcin void PETSC_STDCALL matmffdsetoptionsprefix_(Mat *mat,CHAR prefix PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
426aa9148fSLisandro Dalcin {
436aa9148fSLisandro Dalcin   char *t;
446aa9148fSLisandro Dalcin   FIXCHAR(prefix,len,t);
456aa9148fSLisandro Dalcin   *ierr = MatMFFDSetOptionsPrefix(*mat,t);
466aa9148fSLisandro Dalcin   FREECHAR(prefix,t);
476aa9148fSLisandro Dalcin }
486aa9148fSLisandro Dalcin 
49cdcc8137SSatish Balay EXTERN_C_END
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