xref: /petsc/src/mat/interface/ftn-custom/zmatrixf.c (revision fbe7908bcbdc335e0dab871e0aba2fea2d749384) 
1 #include <petsc-private/fortranimpl.h>
2 #include <petscmat.h>
3 #include <petscviewer.h>
4 
5 #if defined(PETSC_HAVE_FORTRAN_CAPS)
6 #define matdestroymatrices_              MATDESTROYMATRICES
7 #define matgetfactor_                    MATGETFACTOR
8 #define matfactorgetsolverpackage_       MATFACTORGETSOLVERPACKAGE
9 #define matgetrowij_                     MATGETROWIJ
10 #define matrestorerowij_                 MATRESTOREROWIJ
11 #define matgetrow_                       MATGETROW
12 #define matrestorerow_                   MATRESTOREROW
13 #define matload_                         MATLOAD
14 #define matview_                         MATVIEW
15 #define matseqaijgetarray_               MATSEQAIJGETARRAY
16 #define matseqaijrestorearray            MATSEQAIJRESTOREARRAY
17 #define matdensegetarray_                MATDENSEGETARRAY
18 #define matdenserestorearray_            MATDENSERESTOREARRAY
19 #define matconvert_                      MATCONVERT
20 #define matgetsubmatrices_               MATGETSUBMATRICES
21 #define matzerorowscolumns_              MATZEROROWSCOLUMNS
22 #define matzerorowscolumnsis_            MATZEROROWSCOLUMNSIS
23 #define matzerorowsstencil_              MATZEROROWSSTENCIL
24 #define matzerorowscolumnsstencil_       MATZEROROWSCOLUMNSSTENCIL
25 #define matzerorows_                     MATZEROROWS
26 #define matzerorowsis_                   MATZEROROWSIS
27 #define matzerorowslocal_                MATZEROROWSLOCAL
28 #define matzerorowslocalis_              MATZEROROWSLOCALIS
29 #define matzerorowscolumnslocal_         MATZEROROWSCOLUMNSLOCAL
30 #define matzerorowscolumnslocalis_       MATZEROROWSCOLUMNSLOCALIS
31 #define matsetoptionsprefix_             MATSETOPTIONSPREFIX
32 #define matgetvecs_                      MATGETVECS
33 #define matnullspaceremove_              MATNULLSPACEREMOVE
34 #define matgetinfo_                      MATGETINFO
35 #define matlufactor_                     MATLUFACTOR
36 #define matilufactor_                    MATILUFACTOR
37 #define matlufactorsymbolic_             MATLUFACTORSYMBOLIC
38 #define matlufactornumeric_              MATLUFACTORNUMERIC
39 #define matcholeskyfactor_               MATCHOLESKYFACTOR
40 #define matcholeskyfactorsymbolic_       MATCHOLESKYFACTORSYMBOLIC
41 #define matcholeskyfactornumeric_        MATCHOLESKYFACTORNUMERIC
42 #define matilufactorsymbolic_            MATILUFACTORSYMBOLIC
43 #define maticcfactorsymbolic_            MATICCFACTORSYMBOLIC
44 #define maticcfactor_                    MATICCFACTOR
45 #define matfactorinfoinitialize_         MATFACTORINFOINITIALIZE
46 #define matnullspacesetfunction_         MATNULLSPACESETFUNCTION
47 #define matfindnonzerorows_              MATFINDNONZEROROWS
48 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
49 #define matdestroymatrices_              matdestroymatrices_
50 #define matgetfactor_                    matgetfactor
51 #define matfactorgetsolverpackage_       matfactorgetsolverpackage
52 #define matgetvecs_                      matgetvecs
53 #define matgetrowij_                     matgetrowij
54 #define matrestorerowij_                 matrestorerowij
55 #define matgetrow_                       matgetrow
56 #define matrestorerow_                   matrestorerow
57 #define matview_                         matview
58 #define matload_                         matload
59 #define matseqaijgetarray_               matseqaijgetarray
60 #define matseqaijrestorearray_                 matseqaijrestorearray
61 #define matdensegetarray_             matdensegetarray
62 #define matdenserestorearray_         matdenserestorearray
63 #define matconvert_                      matconvert
64 #define matgetsubmatrices_               matgetsubmatrices
65 #define matzerorowscolumns_              matzerorowscolumns
66 #define matzerorowscolumnsis_            matzerorowscolumnsis
67 #define matzerorowsstencil_              matzerorowsstencil
68 #define matzerorowscolumnsstencil_       matzerorowscolumnsstencil
69 #define matzerorows_                     matzerorows
70 #define matzerorowsis_                   matzerorowsis
71 #define matzerorowslocal_                matzerorowslocal
72 #define matzerorowslocalis_              matzerorowslocalis
73 #define matzerorowscolumnslocal_         matzerorowscolumnslocal
74 #define matzerorowscolumnslocalis_       matzerorowscolumnslocalis
75 #define matsetoptionsprefix_             matsetoptionsprefix
76 #define matnullspaceremove_              matnullspaceremove
77 #define matgetinfo_                      matgetinfo
78 #define matlufactor_                     matlufactor
79 #define matilufactor_                    matilufactor
80 #define matlufactorsymbolic_             matlufactorsymbolic
81 #define matlufactornumeric_              matlufactornumeric
82 #define matcholeskyfactor_               matcholeskyfactor
83 #define matcholeskyfactorsymbolic_       matcholeskyfactorsymbolic
84 #define matcholeskyfactornumeric_        matcholeskyfactornumeric
85 #define matilufactorsymbolic_            matilufactorsymbolic
86 #define maticcfactorsymbolic_            maticcfactorsymbolic
87 #define maticcfactor_                    maticcfactor
88 #define matfactorinfoinitialize_         matfactorinfoinitialize
89 #define matnullspacesetfunction_         matnullspacesetfunction
90 #define matfindnonzerorows_              matfindnonzerorows
91 #endif
92 
93 EXTERN_C_BEGIN
94 
95 static PetscErrorCode ournullfunction(MatNullSpace sp,Vec x,void *ctx)
96 {
97   PetscErrorCode ierr = 0;
98   (*(void (PETSC_STDCALL *)(MatNullSpace*,Vec*,void*,PetscErrorCode*))(((PetscObject)sp)->fortran_func_pointers[0]))(&sp,&x,ctx,&ierr);CHKERRQ(ierr);
99   return 0;
100 }
101 
102 void PETSC_STDCALL  matnullspacesetfunction_(MatNullSpace *sp, PetscErrorCode (*rem)(MatNullSpace,Vec,void*),void *ctx,PetscErrorCode *ierr)
103 {
104   PetscObjectAllocateFortranPointers(*sp,1);
105   ((PetscObject)*sp)->fortran_func_pointers[0] = (PetscVoidFunction)rem;
106 
107   *ierr = MatNullSpaceSetFunction(*sp,ournullfunction,ctx);
108 }
109 
110 void PETSC_STDCALL   matgetvecs_(Mat *mat,Vec *right,Vec *left, int *ierr)
111 {
112   CHKFORTRANNULLOBJECT(right);
113   CHKFORTRANNULLOBJECT(left);
114   *ierr = MatGetVecs(*mat,right,left);
115 }
116 
117 void PETSC_STDCALL matgetrowij_(Mat *B,PetscInt *shift,PetscBool  *sym,PetscBool  *blockcompressed,PetscInt *n,PetscInt *ia,size_t *iia,
118                                 PetscInt *ja,size_t *jja,PetscBool  *done,PetscErrorCode *ierr)
119 {
120   const PetscInt *IA,*JA;
121   *ierr = MatGetRowIJ(*B,*shift,*sym,*blockcompressed,n,&IA,&JA,done);if (*ierr) return;
122   *iia  = PetscIntAddressToFortran(ia,(PetscInt*)IA);
123   *jja  = PetscIntAddressToFortran(ja,(PetscInt*)JA);
124 }
125 
126 void PETSC_STDCALL matrestorerowij_(Mat *B,PetscInt *shift,PetscBool  *sym,PetscBool  *blockcompressed, PetscInt *n,PetscInt *ia,size_t *iia,
127                                     PetscInt *ja,size_t *jja,PetscBool  *done,PetscErrorCode *ierr)
128 {
129   const PetscInt *IA = PetscIntAddressFromFortran(ia,*iia),*JA = PetscIntAddressFromFortran(ja,*jja);
130   *ierr = MatRestoreRowIJ(*B,*shift,*sym,*blockcompressed,n,&IA,&JA,done);
131 }
132 
133 /*
134    This is a poor way of storing the column and value pointers
135   generated by MatGetRow() to be returned with MatRestoreRow()
136   but there is not natural,good place else to store them. Hence
137   Fortran programmers can only have one outstanding MatGetRows()
138   at a time.
139 */
140 static PetscErrorCode    matgetrowactive = 0;
141 static const PetscInt    *my_ocols       = 0;
142 static const PetscScalar *my_ovals       = 0;
143 
144 void PETSC_STDCALL matgetrow_(Mat *mat,PetscInt *row,PetscInt *ncols,PetscInt *cols,PetscScalar *vals,PetscErrorCode *ierr)
145 {
146   const PetscInt    **oocols = &my_ocols;
147   const PetscScalar **oovals = &my_ovals;
148 
149   if (matgetrowactive) {
150     PetscError(PETSC_COMM_SELF,__LINE__,"MatGetRow_Fortran",__FILE__,__SDIR__,PETSC_ERR_ARG_WRONGSTATE,PETSC_ERROR_INITIAL,
151                "Cannot have two MatGetRow() active simultaneously\n\
152                call MatRestoreRow() before calling MatGetRow() a second time");
153     *ierr = 1;
154     return;
155   }
156 
157   CHKFORTRANNULLINTEGER(cols); if (!cols) oocols = NULL;
158   CHKFORTRANNULLSCALAR(vals);  if (!vals) oovals = NULL;
159 
160   *ierr = MatGetRow(*mat,*row,ncols,oocols,oovals);
161   if (*ierr) return;
162 
163   if (oocols) { *ierr = PetscMemcpy(cols,my_ocols,(*ncols)*sizeof(PetscInt)); if (*ierr) return;}
164   if (oovals) { *ierr = PetscMemcpy(vals,my_ovals,(*ncols)*sizeof(PetscScalar)); if (*ierr) return;}
165   matgetrowactive = 1;
166 }
167 
168 void PETSC_STDCALL matrestorerow_(Mat *mat,PetscInt *row,PetscInt *ncols,PetscInt *cols,PetscScalar *vals,PetscErrorCode *ierr)
169 {
170   const PetscInt    **oocols = &my_ocols;
171   const PetscScalar **oovals = &my_ovals;
172   if (!matgetrowactive) {
173     PetscError(PETSC_COMM_SELF,__LINE__,"MatRestoreRow_Fortran",__FILE__,__SDIR__,PETSC_ERR_ARG_WRONGSTATE,PETSC_ERROR_INITIAL,
174                "Must call MatGetRow() first");
175     *ierr = 1;
176     return;
177   }
178   CHKFORTRANNULLINTEGER(cols); if (!cols) oocols = NULL;
179   CHKFORTRANNULLSCALAR(vals);  if (!vals) oovals = NULL;
180 
181   *ierr           = MatRestoreRow(*mat,*row,ncols,oocols,oovals);
182   matgetrowactive = 0;
183 }
184 
185 void PETSC_STDCALL matview_(Mat *mat,PetscViewer *vin,PetscErrorCode *ierr)
186 {
187   PetscViewer v;
188   PetscPatchDefaultViewers_Fortran(vin,v);
189   *ierr = MatView(*mat,v);
190 }
191 
192 void PETSC_STDCALL matload_(Mat *mat,PetscViewer *vin,PetscErrorCode *ierr)
193 {
194   PetscViewer v;
195   PetscPatchDefaultViewers_Fortran(vin,v);
196   *ierr = MatLoad(*mat,v);
197 }
198 
199 void PETSC_STDCALL matseqaijgetarray_(Mat *mat,PetscScalar *fa,size_t *ia,PetscErrorCode *ierr)
200 {
201   PetscScalar *mm;
202   PetscInt    m,n;
203 
204   *ierr = MatSeqAIJGetArray(*mat,&mm); if (*ierr) return;
205   *ierr = MatGetSize(*mat,&m,&n);  if (*ierr) return;
206   *ierr = PetscScalarAddressToFortran((PetscObject)*mat,1,fa,mm,m*n,ia); if (*ierr) return;
207 }
208 
209 void PETSC_STDCALL matseqaijrestorearray_(Mat *mat,PetscScalar *fa,size_t *ia,PetscErrorCode *ierr)
210 {
211   PetscScalar *lx;
212   PetscInt    m,n;
213 
214   *ierr = MatGetSize(*mat,&m,&n); if (*ierr) return;
215   *ierr = PetscScalarAddressFromFortran((PetscObject)*mat,fa,*ia,m*n,&lx);if (*ierr) return;
216   *ierr = MatSeqAIJRestoreArray(*mat,&lx);if (*ierr) return;
217 }
218 
219 void PETSC_STDCALL matdensegetarray_(Mat *mat,PetscScalar *fa,size_t *ia,PetscErrorCode *ierr)
220 {
221   PetscScalar *mm;
222   PetscInt    m,n;
223 
224   *ierr = MatDenseGetArray(*mat,&mm); if (*ierr) return;
225   *ierr = MatGetSize(*mat,&m,&n);  if (*ierr) return;
226   *ierr = PetscScalarAddressToFortran((PetscObject)*mat,1,fa,mm,m*n,ia); if (*ierr) return;
227 }
228 
229 void PETSC_STDCALL matdenserestorearray_(Mat *mat,PetscScalar *fa,size_t *ia,PetscErrorCode *ierr)
230 {
231   PetscScalar *lx;
232   PetscInt    m,n;
233 
234   *ierr = MatGetSize(*mat,&m,&n); if (*ierr) return;
235   *ierr = PetscScalarAddressFromFortran((PetscObject)*mat,fa,*ia,m*n,&lx);if (*ierr) return;
236   *ierr = MatDenseRestoreArray(*mat,&lx);if (*ierr) return;
237 }
238 
239 void PETSC_STDCALL matfactorgetsolverpackage_(Mat *mat,CHAR name PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
240 {
241   const char *tname;
242 
243   *ierr = MatFactorGetSolverPackage(*mat,&tname);if (*ierr) return;
244   if (name != PETSC_NULL_CHARACTER_Fortran) {
245     *ierr = PetscStrncpy(name,tname,len);if (*ierr) return;
246   }
247   FIXRETURNCHAR(PETSC_TRUE,name,len);
248 }
249 
250 void PETSC_STDCALL matgetfactor_(Mat *mat,CHAR outtype PETSC_MIXED_LEN(len),MatFactorType *ftype,Mat *M,PetscErrorCode *ierr PETSC_END_LEN(len))
251 {
252   char *t;
253   FIXCHAR(outtype,len,t);
254   *ierr = MatGetFactor(*mat,t,*ftype,M);
255   FREECHAR(outtype,t);
256 }
257 
258 void PETSC_STDCALL matconvert_(Mat *mat,CHAR outtype PETSC_MIXED_LEN(len),MatReuse *reuse,Mat *M,PetscErrorCode *ierr PETSC_END_LEN(len))
259 {
260   char *t;
261   FIXCHAR(outtype,len,t);
262   *ierr = MatConvert(*mat,t,*reuse,M);
263   FREECHAR(outtype,t);
264 }
265 
266 /*
267     MatGetSubmatrices() is slightly different from C since the
268     Fortran provides the array to hold the submatrix objects,while in C that
269     array is allocated by the MatGetSubmatrices()
270 */
271 void PETSC_STDCALL matgetsubmatrices_(Mat *mat,PetscInt *n,IS *isrow,IS *iscol,MatReuse *scall,Mat *smat,PetscErrorCode *ierr)
272 {
273   Mat      *lsmat;
274   PetscInt i;
275 
276   if (*scall == MAT_INITIAL_MATRIX) {
277     *ierr = MatGetSubMatrices(*mat,*n,isrow,iscol,*scall,&lsmat);
278     for (i=0; i<*n; i++) {
279       smat[i] = lsmat[i];
280     }
281     *ierr = PetscFree(lsmat);
282   } else {
283     *ierr = MatGetSubMatrices(*mat,*n,isrow,iscol,*scall,&smat);
284   }
285 }
286 
287 /*
288     MatDestroyMatrices() is slightly different from C since the
289     Fortran provides the array to hold the submatrix objects,while in C that
290     array is allocated by the MatGetSubmatrices()
291 */
292 void PETSC_STDCALL matdestroymatrices_(Mat *mat,PetscInt *n,Mat *smat,PetscErrorCode *ierr)
293 {
294   PetscInt i;
295 
296   for (i=0; i<*n; i++) {
297     *ierr = MatDestroy(&smat[i]);if (*ierr) return;
298   }
299 }
300 
301 void PETSC_STDCALL matzerorowscolumns_(Mat *mat,PetscInt *numRows,PetscInt *rows,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
302 {
303   CHKFORTRANNULLOBJECTDEREFERENCE(x);
304   CHKFORTRANNULLOBJECTDEREFERENCE(b);
305   *ierr = MatZeroRowsColumns(*mat,*numRows,rows,*diag,*x,*b);
306 }
307 
308 void PETSC_STDCALL matzerorowscolumnsis_(Mat *mat,IS *is,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
309 {
310   CHKFORTRANNULLOBJECTDEREFERENCE(x);
311   CHKFORTRANNULLOBJECTDEREFERENCE(b);
312   *ierr = MatZeroRowsColumnsIS(*mat,*is,*diag,*x,*b);
313 }
314 
315 void PETSC_STDCALL matzerorowsstencil_(Mat *mat,PetscInt *numRows,MatStencil *rows,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
316 {
317   CHKFORTRANNULLOBJECTDEREFERENCE(x);
318   CHKFORTRANNULLOBJECTDEREFERENCE(b);
319   *ierr = MatZeroRowsStencil(*mat,*numRows,rows,*diag,*x,*b);
320 }
321 
322 void PETSC_STDCALL matzerorowscolumnsstencil_(Mat *mat,PetscInt *numRows,MatStencil *rows,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
323 {
324   CHKFORTRANNULLOBJECTDEREFERENCE(x);
325   CHKFORTRANNULLOBJECTDEREFERENCE(b);
326   *ierr = MatZeroRowsColumnsStencil(*mat,*numRows,rows,*diag,*x,*b);
327 }
328 
329 void PETSC_STDCALL matzerorows_(Mat *mat,PetscInt *numRows,PetscInt *rows,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
330 {
331   CHKFORTRANNULLOBJECTDEREFERENCE(x);
332   CHKFORTRANNULLOBJECTDEREFERENCE(b);
333   *ierr = MatZeroRows(*mat,*numRows,rows,*diag,*x,*b);
334 }
335 
336 void PETSC_STDCALL matzerorowsis_(Mat *mat,IS *is,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
337 {
338   CHKFORTRANNULLOBJECTDEREFERENCE(x);
339   CHKFORTRANNULLOBJECTDEREFERENCE(b);
340   *ierr = MatZeroRowsIS(*mat,*is,*diag,*x,*b);
341 }
342 
343 void PETSC_STDCALL matzerorowslocal_(Mat *mat,PetscInt *numRows,PetscInt *rows,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
344 {
345   CHKFORTRANNULLOBJECTDEREFERENCE(x);
346   CHKFORTRANNULLOBJECTDEREFERENCE(b);
347   *ierr = MatZeroRowsLocal(*mat,*numRows,rows,*diag,*x,*b);
348 }
349 
350 void PETSC_STDCALL matzerorowslocalis_(Mat *mat,IS *is,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
351 {
352   CHKFORTRANNULLOBJECTDEREFERENCE(x);
353   CHKFORTRANNULLOBJECTDEREFERENCE(b);
354   *ierr = MatZeroRowsLocalIS(*mat,*is,*diag,*x,*b);
355 }
356 
357 void PETSC_STDCALL matzerorowscolumnslocal_(Mat *mat,PetscInt *numRows,PetscInt *rows,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
358 {
359   CHKFORTRANNULLOBJECTDEREFERENCE(x);
360   CHKFORTRANNULLOBJECTDEREFERENCE(b);
361   *ierr = MatZeroRowsColumnsLocal(*mat,*numRows,rows,*diag,*x,*b);
362 }
363 
364 void PETSC_STDCALL matzerorowscolumnslocalis_(Mat *mat,IS *is,PetscScalar *diag,Vec *x,Vec *b,PetscErrorCode *ierr)
365 {
366   CHKFORTRANNULLOBJECTDEREFERENCE(x);
367   CHKFORTRANNULLOBJECTDEREFERENCE(b);
368   *ierr = MatZeroRowsColumnsLocalIS(*mat,*is,*diag,*x,*b);
369 }
370 
371 void PETSC_STDCALL matsetoptionsprefix_(Mat *mat,CHAR prefix PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
372 {
373   char *t;
374 
375   FIXCHAR(prefix,len,t);
376   *ierr = MatSetOptionsPrefix(*mat,t);
377   FREECHAR(prefix,t);
378 }
379 
380 void PETSC_STDCALL matnullspaceremove_(MatNullSpace *sp,Vec *vec,Vec *out,PetscErrorCode *ierr)
381 {
382   CHKFORTRANNULLOBJECT(out);
383   *ierr = MatNullSpaceRemove(*sp,*vec,out);
384 }
385 
386 void PETSC_STDCALL   matgetinfo_(Mat *mat,MatInfoType *flag,MatInfo *info, int *__ierr)
387 {
388   *__ierr = MatGetInfo(*mat,*flag,info);
389 }
390 
391 void PETSC_STDCALL   matlufactor_(Mat *mat,IS *row,IS *col, MatFactorInfo *info, int *__ierr)
392 {
393   *__ierr = MatLUFactor(*mat,*row,*col,info);
394 }
395 
396 void PETSC_STDCALL   matilufactor_(Mat *mat,IS *row,IS *col, MatFactorInfo *info, int *__ierr)
397 {
398   *__ierr = MatILUFactor(*mat,*row,*col,info);
399 }
400 
401 void PETSC_STDCALL   matlufactorsymbolic_(Mat *fact,Mat *mat,IS *row,IS *col, MatFactorInfo *info, int *__ierr)
402 {
403   *__ierr = MatLUFactorSymbolic(*fact,*mat,*row,*col,info);
404 }
405 
406 void PETSC_STDCALL   matlufactornumeric_(Mat *fact,Mat *mat, MatFactorInfo *info, int *__ierr)
407 {
408   *__ierr = MatLUFactorNumeric(*fact,*mat,info);
409 }
410 
411 void PETSC_STDCALL   matcholeskyfactor_(Mat *mat,IS *perm, MatFactorInfo *info, int *__ierr)
412 {
413   *__ierr = MatCholeskyFactor(*mat,*perm,info);
414 }
415 
416 void PETSC_STDCALL   matcholeskyfactorsymbolic_(Mat *fact,Mat *mat,IS *perm, MatFactorInfo *info, int *__ierr)
417 {
418   *__ierr = MatCholeskyFactorSymbolic(*fact,*mat,*perm,info);
419 }
420 
421 void PETSC_STDCALL   matcholeskyfactornumeric_(Mat *fact,Mat *mat, MatFactorInfo *info, int *__ierr)
422 {
423   *__ierr = MatCholeskyFactorNumeric(*fact,*mat,info);
424 }
425 
426 void PETSC_STDCALL   matilufactorsymbolic_(Mat *fact,Mat *mat,IS *row,IS *col, MatFactorInfo *info, int *__ierr)
427 {
428   *__ierr = MatILUFactorSymbolic(*fact,*mat,*row,*col,info);
429 }
430 
431 void PETSC_STDCALL   maticcfactorsymbolic_(Mat *fact,Mat *mat,IS *perm, MatFactorInfo *info, int *__ierr)
432 {
433   *__ierr = MatICCFactorSymbolic(*fact,*mat,*perm,info);
434 }
435 
436 void PETSC_STDCALL   maticcfactor_(Mat *mat,IS *row, MatFactorInfo *info, int *__ierr)
437 {
438   *__ierr = MatICCFactor(*mat,*row,info);
439 }
440 
441 void PETSC_STDCALL   matfactorinfoinitialize_(MatFactorInfo *info, int *__ierr)
442 {
443   *__ierr = MatFactorInfoInitialize(info);
444 }
445 
446 EXTERN_C_END
447