xref: /petsc/src/snes/interface/ftn-custom/zsnesf.c (revision 2613ca53524330f2dbe24f57e29dccb9aa56dab3)
1 #include "private/fortranimpl.h"
2 #include "petscsnes.h"
3 
4 #if defined(PETSC_HAVE_FORTRAN_CAPS)
5 #define snessolve_                       SNESSOLVE
6 #define snesdefaultcomputejacobian_      SNESDEFAULTCOMPUTEJACOBIAN
7 #define snesdefaultcomputejacobiancolor_ SNESDEFAULTCOMPUTEJACOBIANCOLOR
8 #define snesdacomputejacobian_           SNESDACOMPUTEJACOBIAN
9 #define snesdacomputejacobianwithadifor_ SNESDACOMPUTEJACOBIANWITHADIFOR
10 #define snessetjacobian_                 SNESSETJACOBIAN
11 #define snesgetoptionsprefix_            SNESGETOPTIONSPREFIX
12 #define snesgettype_                     SNESGETTYPE
13 #define snesdaformfunction_              SNESDAFORMFUNCTION
14 #define snessetfunction_                 SNESSETFUNCTION
15 #define snesgetfunction_                 SNESGETFUNCTION
16 #define snessetconvergencetest_          SNESSETCONVERGENCETEST
17 #define snesdefaultconverged_            SNESDEFAULTCONVERGED
18 #define snesskipconverged_               SNESSKIPCONVERGED
19 #define snesview_                        SNESVIEW
20 #define snesgetconvergencehistory_       SNESGETCONVERGENCEHISTORY
21 #define snesgetjacobian_                 SNESGETJACOBIAN
22 #define snessettype_                     SNESSETTYPE
23 #define snesappendoptionsprefix_         SNESAPPENDOPTIONSPREFIX
24 #define snessetoptionsprefix_            SNESSETOPTIONSPREFIX
25 #define snesmonitordefault_              SNESMONITORDEFAULT
26 #define snesmonitorsolution_             SNESMONITORSOLUTION
27 #define snesmonitorlg_                   SNESMONITORLG
28 #define snesmonitorsolutionupdate_       SNESMONITORSOLUTIONUPDATE
29 #define snesmonitorset_                  SNESMONITORSET
30 #define snesgetapplicationcontext_       SNESGETAPPLICATIONCONTEXT
31 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
32 #define snessolve_                       snessolve
33 #define snesdefaultcomputejacobian_      snesdefaultcomputejacobian
34 #define snesdefaultcomputejacobiancolor_ snesdefaultcomputejacobiancolor
35 #define snesdacomputejacobian_           snesdacomputejacobian
36 #define snesdacomputejacobianwithadifor_ snesdacomputejacobianwithadifor
37 #define snessetjacobian_                 snessetjacobian
38 #define snesgetoptionsprefix_            snesgetoptionsprefix
39 #define snesgettype_                     snesgettype
40 #define snesdaformfunction_              snesdaformfunction
41 #define snessetfunction_                 snessetfunction
42 #define snesgetfunction_                 snesgetfunction
43 #define snessetconvergencetest_          snessetconvergencetest
44 #define snesdefaultconverged_            snesdefaultconverged
45 #define snesskipconverged_               snesskipconverged
46 #define snesview_                        snesview
47 #define snesgetjacobian_                 snesgetjacobian
48 #define snesgetconvergencehistory_       snesgetconvergencehistory
49 #define snessettype_                     snessettype
50 #define snesappendoptionsprefix_         snesappendoptionsprefix
51 #define snessetoptionsprefix_            snessetoptionsprefix
52 #define snesmonitorlg_                   snesmonitorlg
53 #define snesmonitordefault_              snesmonitordefault
54 #define snesmonitorsolution_             snesmonitorsolution
55 #define snesmonitorsolutionupdate_       snesmonitorsolutionupdate
56 #define snesmonitorset_                  snesmonitorset
57 #define snesgetapplicationcontext_       snesgetapplicationcontext
58 #endif
59 
60 static PetscErrorCode oursnesfunction(SNES snes,Vec x,Vec f,void *ctx)
61 {
62   PetscErrorCode ierr = 0;
63   (*(void (PETSC_STDCALL *)(SNES*,Vec*,Vec*,void*,PetscErrorCode*))(((PetscObject)snes)->fortran_func_pointers[0]))(&snes,&x,&f,ctx,&ierr);CHKERRQ(ierr);
64   return 0;
65 }
66 
67 static PetscErrorCode oursnestest(SNES snes,PetscInt it,PetscReal a,PetscReal d,PetscReal c,SNESConvergedReason*reason,void*ctx)
68 {
69   PetscErrorCode ierr = 0;
70   (*(void (PETSC_STDCALL *)(SNES*,PetscInt*,PetscReal*,PetscReal*,PetscReal*,SNESConvergedReason*,void*,PetscErrorCode*))(((PetscObject)snes)->fortran_func_pointers[1]))(&snes,&it,&a,&d,&c,reason,ctx,&ierr);CHKERRQ(ierr);
71   return 0;
72 }
73 
74 static PetscErrorCode oursnesjacobian(SNES snes,Vec x,Mat* m,Mat* p,MatStructure* type,void*ctx)
75 {
76   PetscErrorCode ierr = 0;
77   (*(void (PETSC_STDCALL *)(SNES*,Vec*,Mat*,Mat*,MatStructure*,void*,PetscErrorCode*))(((PetscObject)snes)->fortran_func_pointers[2]))(&snes,&x,m,p,type,ctx,&ierr);CHKERRQ(ierr);
78   return 0;
79 }
80 static PetscErrorCode oursnesmonitor(SNES snes,PetscInt i,PetscReal d,void*ctx)
81 {
82   PetscErrorCode ierr = 0;
83 
84   void           (*mctx)(void) = ((PetscObject)snes)->fortran_func_pointers[4];
85   (*(void (PETSC_STDCALL *)(SNES*,PetscInt*,PetscReal*,void*,PetscErrorCode*))(((PetscObject)snes)->fortran_func_pointers[3]))(&snes,&i,&d,(void*)mctx,&ierr);CHKERRQ(ierr);
86   return 0;
87 }
88 static PetscErrorCode ourmondestroy(void* ctx)
89 {
90   PetscErrorCode ierr = 0;
91   SNES           snes = (SNES)ctx;
92   void           (*mctx)(void) = ((PetscObject)snes)->fortran_func_pointers[4];
93   (*(void (PETSC_STDCALL *)(PetscVoidFunction,PetscErrorCode*))(((PetscObject)snes)->fortran_func_pointers[5]))(mctx,&ierr);CHKERRQ(ierr);
94   return 0;
95 }
96 
97 EXTERN_C_BEGIN
98 /* ---------------------------------------------------------*/
99 /*
100      snesdefaultcomputejacobian() and snesdefaultcomputejacobiancolor()
101   These can be used directly from Fortran but are mostly so that
102   Fortran SNESSetJacobian() will properly handle the defaults being passed in.
103 
104   functions, hence no STDCALL
105 */
106 void snesdefaultcomputejacobian_(SNES *snes,Vec *x,Mat *m,Mat *p,MatStructure* type,void *ctx,PetscErrorCode *ierr)
107 {
108   *ierr = SNESDefaultComputeJacobian(*snes,*x,m,p,type,ctx);
109 }
110 void  snesdefaultcomputejacobiancolor_(SNES *snes,Vec *x,Mat *m,Mat *p,MatStructure* type,void *ctx,PetscErrorCode *ierr)
111 {
112   *ierr = SNESDefaultComputeJacobianColor(*snes,*x,m,p,type,*(MatFDColoring*)ctx);
113 }
114 
115 void  snesdacomputejacobianwithadifor_(SNES *snes,Vec *X,Mat *m,Mat *p,MatStructure* type,void *ctx,PetscErrorCode *ierr)
116 {
117   (*PetscErrorPrintf)("Cannot call this function from Fortran");
118   *ierr = 1;
119 }
120 
121 void  snesdacomputejacobian_(SNES *snes,Vec *X,Mat *m,Mat *p,MatStructure* type,void *ctx,PetscErrorCode *ierr)
122 {
123   (*PetscErrorPrintf)("Cannot call this function from Fortran");
124   *ierr = 1;
125 }
126 
127 void PETSC_STDCALL snessetjacobian_(SNES *snes,Mat *A,Mat *B,void (PETSC_STDCALL *func)(SNES*,Vec*,Mat*,Mat*,
128             MatStructure*,void*,PetscErrorCode*),void *ctx,PetscErrorCode *ierr)
129 {
130   CHKFORTRANNULLOBJECT(ctx);
131   CHKFORTRANNULLFUNCTION(func);
132   PetscObjectAllocateFortranPointers(*snes,10);
133   if ((PetscVoidFunction)func == (PetscVoidFunction)snesdefaultcomputejacobian_) {
134     *ierr = SNESSetJacobian(*snes,*A,*B,SNESDefaultComputeJacobian,ctx);
135   } else if ((PetscVoidFunction)func == (PetscVoidFunction)snesdefaultcomputejacobiancolor_) {
136     *ierr = SNESSetJacobian(*snes,*A,*B,SNESDefaultComputeJacobianColor,*(MatFDColoring*)ctx);
137   } else if ((PetscVoidFunction)func == (PetscVoidFunction)snesdacomputejacobianwithadifor_) {
138     *ierr = SNESSetJacobian(*snes,*A,*B,SNESDAComputeJacobianWithAdifor,ctx);
139   } else if ((PetscVoidFunction)func == (PetscVoidFunction)snesdacomputejacobian_) {
140     *ierr = SNESSetJacobian(*snes,*A,*B,SNESDAComputeJacobian,ctx);
141   } else if (!func) {
142     *ierr = SNESSetJacobian(*snes,*A,*B,0,ctx);
143   } else {
144     ((PetscObject)*snes)->fortran_func_pointers[2] = (PetscVoidFunction)func;
145     *ierr = SNESSetJacobian(*snes,*A,*B,oursnesjacobian,ctx);
146   }
147 }
148 /* -------------------------------------------------------------*/
149 
150 void PETSC_STDCALL   snessolve_(SNES *snes,Vec *b,Vec *x, int *__ierr )
151 {
152   Vec B = *b;
153   if (*b == PETSC_NULL_OBJECT_Fortran) B = PETSC_NULL;
154   *__ierr = SNESSolve(*snes,B,*x);
155 }
156 
157 void PETSC_STDCALL snesgetoptionsprefix_(SNES *snes,CHAR prefix PETSC_MIXED_LEN(len),
158                                          PetscErrorCode *ierr PETSC_END_LEN(len))
159 {
160   const char *tname;
161 
162   *ierr = SNESGetOptionsPrefix(*snes,&tname);
163   *ierr = PetscStrncpy(prefix,tname,len);if (*ierr) return;
164 }
165 
166 void PETSC_STDCALL snesgettype_(SNES *snes,CHAR name PETSC_MIXED_LEN(len),
167                                 PetscErrorCode *ierr PETSC_END_LEN(len))
168 {
169   const char *tname;
170 
171   *ierr = SNESGetType(*snes,&tname);
172   *ierr = PetscStrncpy(name,tname,len);if (*ierr) return;
173   FIXRETURNCHAR(PETSC_TRUE,name,len);
174 }
175 
176 void PETSC_STDCALL snesgetapplicationcontext_(SNES *snes,void **ctx,PetscErrorCode *ierr)
177 {
178   *ierr = SNESGetApplicationContext(*snes,ctx);
179 }
180 /* ---------------------------------------------------------*/
181 
182 /*
183         These are not usually called from Fortran but allow Fortran users
184    to transparently set these monitors from .F code
185 
186    functions, hence no STDCALL
187 */
188 void  snesdaformfunction_(SNES *snes,Vec *X, Vec *F,void *ptr,PetscErrorCode *ierr)
189 {
190   *ierr = SNESDAFormFunction(*snes,*X,*F,ptr);
191 }
192 
193 void PETSC_STDCALL snessetfunction_(SNES *snes,Vec *r,void (PETSC_STDCALL *func)(SNES*,Vec*,Vec*,void*,PetscErrorCode*),void *ctx,PetscErrorCode *ierr)
194 {
195   CHKFORTRANNULLOBJECT(ctx);
196   PetscObjectAllocateFortranPointers(*snes,10);
197   if ((PetscVoidFunction)func == (PetscVoidFunction)snesdaformfunction_) {
198     *ierr = SNESSetFunction(*snes,*r,SNESDAFormFunction,ctx);
199   } else {
200     ((PetscObject)*snes)->fortran_func_pointers[0] = (PetscVoidFunction)func;
201     *ierr = SNESSetFunction(*snes,*r,oursnesfunction,ctx);
202   }
203 }
204 /* ---------------------------------------------------------*/
205 
206 /* the func argument is ignored */
207 void PETSC_STDCALL snesgetfunction_(SNES *snes,Vec *r,void *func,void **ctx,PetscErrorCode *ierr)
208 {
209   CHKFORTRANNULLINTEGER(ctx);
210   CHKFORTRANNULLOBJECT(r);
211   *ierr = SNESGetFunction(*snes,r,PETSC_NULL,ctx);
212 }
213 /*----------------------------------------------------------------------*/
214 
215 void snesdefaultconverged_(SNES *snes,PetscInt *it,PetscReal *a,PetscReal *b,PetscReal *c,SNESConvergedReason *r,
216                                        void *ct,PetscErrorCode *ierr)
217 {
218   *ierr = SNESDefaultConverged(*snes,*it,*a,*b,*c,r,ct);
219 }
220 
221 void snesskipconverged_(SNES *snes,PetscInt *it,PetscReal *a,PetscReal *b,PetscReal *c,SNESConvergedReason *r,
222                                        void *ct,PetscErrorCode *ierr)
223 {
224   *ierr = SNESSkipConverged(*snes,*it,*a,*b,*c,r,ct);
225 }
226 
227 void PETSC_STDCALL snessetconvergencetest_(SNES *snes,
228        void (PETSC_STDCALL *func)(SNES*,PetscInt*,PetscReal*,PetscReal*,PetscReal*,SNESConvergedReason*,void*,PetscErrorCode*),
229        void *cctx,PetscErrorCode *ierr)
230 {
231   CHKFORTRANNULLOBJECT(cctx);
232   PetscObjectAllocateFortranPointers(*snes,10);
233 
234   if ((PetscVoidFunction)func == (PetscVoidFunction)snesdefaultconverged_){
235     *ierr = SNESSetConvergenceTest(*snes,SNESDefaultConverged,0);
236   } else if ((PetscVoidFunction)func == (PetscVoidFunction)snesskipconverged_){
237     *ierr = SNESSetConvergenceTest(*snes,SNESSkipConverged,0);
238   } else {
239     ((PetscObject)*snes)->fortran_func_pointers[1] = (PetscVoidFunction)func;
240     *ierr = SNESSetConvergenceTest(*snes,oursnestest,cctx);
241   }
242 }
243 /*----------------------------------------------------------------------*/
244 
245 void PETSC_STDCALL snesview_(SNES *snes,PetscViewer *viewer, PetscErrorCode *ierr)
246 {
247   PetscViewer v;
248   PetscPatchDefaultViewers_Fortran(viewer,v);
249   *ierr = SNESView(*snes,v);
250 }
251 
252 /*  func is currently ignored from Fortran */
253 void PETSC_STDCALL snesgetjacobian_(SNES *snes,Mat *A,Mat *B,int *func,void **ctx,PetscErrorCode *ierr)
254 {
255   CHKFORTRANNULLINTEGER(ctx);
256   CHKFORTRANNULLOBJECT(A);
257   CHKFORTRANNULLOBJECT(B);
258   *ierr = SNESGetJacobian(*snes,A,B,0,ctx);
259 }
260 
261 void PETSC_STDCALL snesgetconvergencehistory_(SNES *snes,PetscInt *na,PetscErrorCode *ierr)
262 {
263   *ierr = SNESGetConvergenceHistory(*snes,PETSC_NULL,PETSC_NULL,na);
264 }
265 
266 void PETSC_STDCALL snessettype_(SNES *snes,CHAR type PETSC_MIXED_LEN(len),
267                                 PetscErrorCode *ierr PETSC_END_LEN(len))
268 {
269   char *t;
270 
271   FIXCHAR(type,len,t);
272   *ierr = SNESSetType(*snes,t);
273   FREECHAR(type,t);
274 }
275 
276 void PETSC_STDCALL snesappendoptionsprefix_(SNES *snes,CHAR prefix PETSC_MIXED_LEN(len),
277                                             PetscErrorCode *ierr PETSC_END_LEN(len))
278 {
279   char *t;
280 
281   FIXCHAR(prefix,len,t);
282   *ierr = SNESAppendOptionsPrefix(*snes,t);
283   FREECHAR(prefix,t);
284 }
285 
286 void PETSC_STDCALL snessetoptionsprefix_(SNES *snes,CHAR prefix PETSC_MIXED_LEN(len),
287                                         PetscErrorCode *ierr PETSC_END_LEN(len))
288 {
289   char *t;
290 
291   FIXCHAR(prefix,len,t);
292   *ierr = SNESSetOptionsPrefix(*snes,t);
293   FREECHAR(prefix,t);
294 }
295 
296 /*----------------------------------------------------------------------*/
297 /* functions, hence no STDCALL */
298 
299 void snesmonitorlg_(SNES *snes,PetscInt *its,PetscReal *fgnorm,void *dummy,PetscErrorCode *ierr)
300 {
301   *ierr = SNESMonitorLG(*snes,*its,*fgnorm,dummy);
302 }
303 
304 void snesmonitordefault_(SNES *snes,PetscInt *its,PetscReal *fgnorm,void *dummy,PetscErrorCode *ierr)
305 {
306   *ierr = SNESMonitorDefault(*snes,*its,*fgnorm,dummy);
307 }
308 
309 void snesmonitorsolution_(SNES *snes,PetscInt *its,PetscReal *fgnorm,void *dummy,PetscErrorCode *ierr)
310 {
311   *ierr = SNESMonitorSolution(*snes,*its,*fgnorm,dummy);
312 }
313 
314 void snesmonitorsolutionupdate_(SNES *snes,PetscInt *its,PetscReal *fgnorm,void *dummy,PetscErrorCode *ierr)
315 {
316   *ierr = SNESMonitorSolutionUpdate(*snes,*its,*fgnorm,dummy);
317 }
318 
319 
320 void PETSC_STDCALL snesmonitorset_(SNES *snes,void (PETSC_STDCALL *func)(SNES*,PetscInt*,PetscReal*,void*,PetscErrorCode*),
321                     void *mctx,void (PETSC_STDCALL *mondestroy)(void*,PetscErrorCode*),PetscErrorCode *ierr)
322 {
323   CHKFORTRANNULLOBJECT(mctx);
324   PetscObjectAllocateFortranPointers(*snes,10);
325   if ((PetscVoidFunction)func == (PetscVoidFunction)snesmonitordefault_) {
326     *ierr = SNESMonitorSet(*snes,SNESMonitorDefault,0,0);
327   } else if ((PetscVoidFunction)func == (PetscVoidFunction)snesmonitorsolution_) {
328     *ierr = SNESMonitorSet(*snes,SNESMonitorSolution,0,0);
329   } else if ((PetscVoidFunction)func == (PetscVoidFunction)snesmonitorsolutionupdate_) {
330     *ierr = SNESMonitorSet(*snes,SNESMonitorSolutionUpdate,0,0);
331   } else if ((PetscVoidFunction)func == (PetscVoidFunction)snesmonitorlg_) {
332     *ierr = SNESMonitorSet(*snes,SNESMonitorLG,0,0);
333   } else {
334     ((PetscObject)*snes)->fortran_func_pointers[3] = (PetscVoidFunction)func;
335     ((PetscObject)*snes)->fortran_func_pointers[4] = (PetscVoidFunction)mctx;
336 
337     if (FORTRANNULLFUNCTION(mondestroy)){
338       *ierr = SNESMonitorSet(*snes,oursnesmonitor,*snes,0);
339     } else {
340       ((PetscObject)*snes)->fortran_func_pointers[5] = (PetscVoidFunction)mondestroy;
341       *ierr = SNESMonitorSet(*snes,oursnesmonitor,*snes,ourmondestroy);
342     }
343   }
344 }
345 
346 
347 
348 EXTERN_C_END
349