Actual source code: ftnimpl.h

  1: #pragma once

  3: #include <petsc/private/petscimpl.h>
  4: PETSC_INTERN PetscErrorCode PETScParseFortranArgs_Private(int *, char ***);
  5: PETSC_EXTERN PetscErrorCode PetscMPIFortranDatatypeToC(MPI_Fint, MPI_Datatype *);

  7: PETSC_EXTERN PetscErrorCode PetscScalarAddressToFortran(PetscObject, PetscInt, PetscScalar *, PetscScalar *, PetscInt, size_t *);
  8: PETSC_EXTERN PetscErrorCode PetscScalarAddressFromFortran(PetscObject, PetscScalar *, size_t, PetscInt, PetscScalar **);
  9: PETSC_EXTERN size_t         PetscIntAddressToFortran(const PetscInt *, const PetscInt *);
 10: PETSC_EXTERN PetscInt      *PetscIntAddressFromFortran(const PetscInt *, size_t);
 11: PETSC_EXTERN char          *PETSC_NULL_CHARACTER_Fortran;
 12: PETSC_EXTERN void          *PETSC_NULL_INTEGER_Fortran;
 13: PETSC_EXTERN void          *PETSC_NULL_SCALAR_Fortran;
 14: PETSC_EXTERN void          *PETSC_NULL_DOUBLE_Fortran;
 15: PETSC_EXTERN void          *PETSC_NULL_REAL_Fortran;
 16: PETSC_EXTERN void          *PETSC_NULL_BOOL_Fortran;
 17: PETSC_EXTERN void          *PETSC_NULL_ENUM_Fortran;
 18: PETSC_EXTERN void          *PETSC_NULL_INTEGER_ARRAY_Fortran;
 19: PETSC_EXTERN void          *PETSC_NULL_SCALAR_ARRAY_Fortran;
 20: PETSC_EXTERN void          *PETSC_NULL_REAL_ARRAY_Fortran;
 21: PETSC_EXTERN void          *PETSC_NULL_MPI_COMM_Fortran;
 22: PETSC_EXTERN void          *PETSC_NULL_INTEGER_POINTER_Fortran;
 23: PETSC_EXTERN void          *PETSC_NULL_SCALAR_POINTER_Fortran;
 24: PETSC_EXTERN void          *PETSC_NULL_REAL_POINTER_Fortran;
 25: PETSC_EXTERN void (*PETSC_NULL_FUNCTION_Fortran)(void);

 27: PETSC_INTERN PetscErrorCode PetscInitFortran_Private(const char *, PetscInt);

 29: /*  ----------------------------------------------------------------------*/
 30: /*
 31:    PETSc object C pointers are stored directly as
 32:    Fortran integer*4 or *8 depending on the size of pointers.
 33: */

 35: /* --------------------------------------------------------------------*/
 36: /*
 37:     Since Fortran does not null terminate strings we need to insure the string is null terminated before passing it
 38:     to C. This may require a memory allocation which is then freed with FREECHAR().
 39: */
 40: #define FIXCHAR(a, n, b) \
 41:   do { \
 42:     if ((a) == PETSC_NULL_CHARACTER_Fortran) { \
 43:       (b) = PETSC_NULLPTR; \
 44:       (a) = PETSC_NULLPTR; \
 45:     } else { \
 46:       while (((n) > 0) && ((a)[(n) - 1] == ' ')) (n)--; \
 47:       *ierr = PetscMalloc1((n) + 1, &(b)); \
 48:       if (*ierr) return; \
 49:       *ierr  = PetscMemcpy((b), (a), (n)); \
 50:       (b)[n] = '\0'; \
 51:       if (*ierr) return; \
 52:     } \
 53:   } while (0)
 54: #define FREECHAR(a, b) \
 55:   do { \
 56:     if (a != b) *ierr = PetscFree(b); \
 57:   } while (0)

 59: /*
 60:     Fortran expects any unneeded characters at the end of its strings to be filled with the blank character.
 61: */
 62: #define FIXRETURNCHAR(flg, a, n) \
 63:   do { \
 64:     if (flg) { \
 65:       PETSC_FORTRAN_CHARLEN_T __i; \
 66:       for (__i = 0; __i < n && a[__i] != 0; __i++) { }; \
 67:       for (; __i < n; __i++) a[__i] = ' '; \
 68:     } \
 69:   } while (0)

 71: /*
 72:     The cast through PETSC_UINTPTR_T is so that compilers that warn about casting to/from void * to void(*)(void)
 73:     will not complain about these comparisons. It is not know if this works for all compilers
 74: */
 75: #define FORTRANNULLINTEGERPOINTER(a) (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_INTEGER_POINTER_Fortran)
 76: #define FORTRANNULLSCALARPOINTER(a)  (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_SCALAR_POINTER_Fortran)
 77: #define FORTRANNULLREALPOINTER(a)    (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_REAL_POINTER_Fortran)
 78: #define FORTRANNULLINTEGER(a)        (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_INTEGER_Fortran || ((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_INTEGER_ARRAY_Fortran)
 79: #define FORTRANNULLSCALAR(a)         (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_SCALAR_Fortran || ((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_SCALAR_ARRAY_Fortran)
 80: #define FORTRANNULLREAL(a)           (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_REAL_Fortran || ((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_REAL_ARRAY_Fortran)
 81: #define FORTRANNULLDOUBLE(a)         (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_DOUBLE_Fortran)
 82: #define FORTRANNULLBOOL(a)           (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_BOOL_Fortran)
 83: #define FORTRANNULLENUM(a)           ((((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_ENUM_Fortran) || (((void *)(PETSC_UINTPTR_T)a) == (void *)-50))
 84: #define FORTRANNULLCHARACTER(a)      (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_CHARACTER_Fortran)
 85: #define FORTRANNULLFUNCTION(a)       (((void (*)(void))(PETSC_UINTPTR_T)a) == PETSC_NULL_FUNCTION_Fortran)
 86: #define FORTRANNULLOBJECT(a)         (*(void **)(PETSC_UINTPTR_T)a == (void *)0)
 87: #define FORTRANNULLMPICOMM(a)        (((void *)(PETSC_UINTPTR_T)a) == PETSC_NULL_MPI_COMM_Fortran)

 89: /*
 90:     A Fortran object with a value of (void*) 0 corresponds to a NULL object in C and is indicated in Fortran by PETSC_NULL_XXXX
 91:     A Fortran object with a value of (void*) -2 is an object that was never created or was destroyed (see checkFortranTypeInitialize()).
 92:     A Fortran object with a value of (void*) -3 happens when a PETSc routine returns in one of its arguments a NULL object
 93:     (it cannot return a value of (void*) 0 because if later the returned variable is passed to a creation routine,
 94:     it would think one has passed in a PETSC_NULL_XXX and error).

 96:     This is needed because Fortran always uses pass by reference so one cannot pass a NULL address, only an address with special
 97:     values at the location.
 98: */

100: #define CHKFORTRANNULL(a) \
101:   do { \
102:     if (FORTRANNULLINTEGER(a) || FORTRANNULLENUM(a) || FORTRANNULLDOUBLE(a) || FORTRANNULLSCALAR(a) || FORTRANNULLREAL(a) || FORTRANNULLBOOL(a) || FORTRANNULLFUNCTION(a) || FORTRANNULLCHARACTER(a) || FORTRANNULLMPICOMM(a)) { a = PETSC_NULLPTR; } \
103:   } while (0)

105: #define CHKFORTRANNULLENUM(a) \
106:   do { \
107:     if (FORTRANNULLENUM(a)) { a = PETSC_NULLPTR; } \
108:   } while (0)

110: #define CHKFORTRANNULLINTEGER(a) \
111:   do { \
112:     if (FORTRANNULLINTEGER(a) || FORTRANNULLENUM(a)) { \
113:       a = PETSC_NULLPTR; \
114:     } else if (FORTRANNULLDOUBLE(a) || FORTRANNULLSCALAR(a) || FORTRANNULLREAL(a) || FORTRANNULLBOOL(a) || FORTRANNULLFUNCTION(a) || FORTRANNULLCHARACTER(a) || FORTRANNULLMPICOMM(a)) { \
115:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Use PETSC_NULL_INTEGER"); \
116:       *ierr = PETSC_ERR_ARG_BADPTR; \
117:       return; \
118:     } \
119:   } while (0)

121: #define CHKFORTRANNULLSCALAR(a) \
122:   do { \
123:     if (FORTRANNULLSCALAR(a)) { \
124:       a = PETSC_NULLPTR; \
125:     } else if (FORTRANNULLINTEGER(a) || FORTRANNULLDOUBLE(a) || FORTRANNULLREAL(a) || FORTRANNULLBOOL(a) || FORTRANNULLFUNCTION(a) || FORTRANNULLCHARACTER(a) || FORTRANNULLMPICOMM(a)) { \
126:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Use PETSC_NULL_SCALAR"); \
127:       *ierr = PETSC_ERR_ARG_BADPTR; \
128:       return; \
129:     } \
130:   } while (0)

132: #define CHKFORTRANNULLDOUBLE(a) \
133:   do { \
134:     if (FORTRANNULLDOUBLE(a)) { \
135:       a = PETSC_NULLPTR; \
136:     } else if (FORTRANNULLINTEGER(a) || FORTRANNULLSCALAR(a) || FORTRANNULLREAL(a) || FORTRANNULLBOOL(a) || FORTRANNULLFUNCTION(a) || FORTRANNULLCHARACTER(a) || FORTRANNULLMPICOMM(a)) { \
137:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Use PETSC_NULL_DOUBLE"); \
138:       *ierr = PETSC_ERR_ARG_BADPTR; \
139:       return; \
140:     } \
141:   } while (0)

143: #define CHKFORTRANNULLREAL(a) \
144:   do { \
145:     if (FORTRANNULLREAL(a)) { \
146:       a = PETSC_NULLPTR; \
147:     } else if (FORTRANNULLINTEGER(a) || FORTRANNULLDOUBLE(a) || FORTRANNULLSCALAR(a) || FORTRANNULLBOOL(a) || FORTRANNULLFUNCTION(a) || FORTRANNULLCHARACTER(a) || FORTRANNULLMPICOMM(a)) { \
148:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Use PETSC_NULL_REAL"); \
149:       *ierr = PETSC_ERR_ARG_BADPTR; \
150:       return; \
151:     } \
152:   } while (0)

154: #define CHKFORTRANNULLOBJECT(a) \
155:   do { \
156:     if (!(*(void **)a)) { \
157:       a = PETSC_NULLPTR; \
158:     } else if (FORTRANNULLINTEGER(a) || FORTRANNULLDOUBLE(a) || FORTRANNULLSCALAR(a) || FORTRANNULLREAL(a) || FORTRANNULLBOOL(a) || FORTRANNULLFUNCTION(a) || FORTRANNULLCHARACTER(a) || FORTRANNULLMPICOMM(a)) { \
159:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Use PETSC_NULL_XXX where XXX is the name of a particular object class"); \
160:       *ierr = PETSC_ERR_ARG_BADPTR; \
161:       return; \
162:     } \
163:   } while (0)

165: #define CHKFORTRANNULLBOOL(a) \
166:   do { \
167:     if (FORTRANNULLBOOL(a)) { \
168:       a = PETSC_NULLPTR; \
169:     } else if (FORTRANNULLSCALAR(a) || FORTRANNULLINTEGER(a) || FORTRANNULLDOUBLE(a) || FORTRANNULLSCALAR(a) || FORTRANNULLREAL(a) || FORTRANNULLFUNCTION(a) || FORTRANNULLCHARACTER(a) || FORTRANNULLMPICOMM(a)) { \
170:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Use PETSC_NULL_BOOL"); \
171:       *ierr = PETSC_ERR_ARG_BADPTR; \
172:       return; \
173:     } \
174:   } while (0)

176: #define CHKFORTRANNULLFUNCTION(a) \
177:   do { \
178:     if (FORTRANNULLFUNCTION(a)) { \
179:       a = PETSC_NULLPTR; \
180:     } else if (FORTRANNULLOBJECT(a) || FORTRANNULLSCALAR(a) || FORTRANNULLDOUBLE(a) || FORTRANNULLREAL(a) || FORTRANNULLINTEGER(a) || FORTRANNULLBOOL(a) || FORTRANNULLCHARACTER(a) || FORTRANNULLMPICOMM(a)) { \
181:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Use PETSC_NULL_FUNCTION"); \
182:       *ierr = PETSC_ERR_ARG_BADPTR; \
183:       return; \
184:     } \
185:   } while (0)

187: #define CHKFORTRANNULLMPICOMM(a) \
188:   do { \
189:     if (FORTRANNULLMPICOMM(a)) { \
190:       a = PETSC_NULLPTR; \
191:     } else if (FORTRANNULLINTEGER(a) || FORTRANNULLDOUBLE(a) || FORTRANNULLSCALAR(a) || FORTRANNULLREAL(a) || FORTRANNULLBOOL(a) || FORTRANNULLFUNCTION(a) || FORTRANNULLCHARACTER(a)) { \
192:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Use PETSC_NULL_MPI_COMM"); \
193:       *ierr = PETSC_ERR_ARG_BADPTR; \
194:       return; \
195:     } \
196:   } while (0)

198: /* In the beginning of Fortran XxxCreate() ensure object is not NULL or already created */
199: #define PETSC_FORTRAN_OBJECT_CREATE(a) \
200:   do { \
201:     if (!(*(void **)a)) { \
202:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Cannot create PETSC_NULL_XXX object"); \
203:       *ierr = PETSC_ERR_ARG_WRONG; \
204:       return; \
205:     } else if (*((void **)(a)) != (void *)-2 && *((void **)(a)) != (void *)-3) { \
206:       *ierr = PetscError(PETSC_COMM_SELF, __LINE__, PETSC_FUNCTION_NAME, __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Cannot create already existing object"); \
207:       *ierr = PETSC_ERR_ARG_WRONG; \
208:       return; \
209:     } \
210:   } while (0)

212: /*
213:   In the beginning of Fortran XxxDestroy(a), if the input object was destroyed, change it to a petsc C NULL object so that it won't crash C XxxDestory()
214:   If it is PETSC_NULL_XXX just return since these objects cannot be destroyed
215: */
216: #define PETSC_FORTRAN_OBJECT_F_DESTROYED_TO_C_NULL(a) \
217:   do { \
218:     if (!*(void **)a || *((void **)(a)) == (void *)-2 || *((void **)(a)) == (void *)-3) { \
219:       *ierr = PETSC_SUCCESS; \
220:       return; \
221:     } \
222:   } while (0)

224: /* After C XxxDestroy(a) is called, change a's state from NULL to destroyed, so that it can be used/destroyed again by Fortran.
225:    E.g., in VecScatterCreateToAll(x,vscat,seq,ierr), if seq = PETSC_NULL_VEC, petsc won't create seq. But if seq is a
226:    destroyed object (e.g., as a result of a previous Fortran VecDestroy), petsc will create seq.
227: */
228: #define PETSC_FORTRAN_OBJECT_C_NULL_TO_F_DESTROYED(a) \
229:   do { \
230:     *((void **)(a)) = (void *)-2; \
231:   } while (0)

233: /*
234:     Variable type where we stash PETSc object pointers in Fortran.
235: */
236: typedef PETSC_UINTPTR_T PetscFortranAddr;

238: /*
239:     These are used to support the default viewers that are
240:   created at run time, in C using the , trick.

242:     The numbers here must match the numbers in include/petsc/finclude/petscsys.h
243: */
244: #define PETSC_VIEWER_DRAW_WORLD_FORTRAN   4
245: #define PETSC_VIEWER_DRAW_SELF_FORTRAN    5
246: #define PETSC_VIEWER_SOCKET_WORLD_FORTRAN 6
247: #define PETSC_VIEWER_SOCKET_SELF_FORTRAN  7
248: #define PETSC_VIEWER_STDOUT_WORLD_FORTRAN 8
249: #define PETSC_VIEWER_STDOUT_SELF_FORTRAN  9
250: #define PETSC_VIEWER_STDERR_WORLD_FORTRAN 10
251: #define PETSC_VIEWER_STDERR_SELF_FORTRAN  11
252: #define PETSC_VIEWER_BINARY_WORLD_FORTRAN 12
253: #define PETSC_VIEWER_BINARY_SELF_FORTRAN  13
254: #define PETSC_VIEWER_MATLAB_WORLD_FORTRAN 14
255: #define PETSC_VIEWER_MATLAB_SELF_FORTRAN  15

257: #include <petscviewer.h>

259: static inline PetscViewer PetscPatchDefaultViewers(PetscViewer *v)
260: {
261:   if (!v) return PETSC_NULLPTR;
262:   if (!(*(void **)v)) return PETSC_NULLPTR;
263:   switch (*(PetscFortranAddr *)v) {
264:   case PETSC_VIEWER_DRAW_WORLD_FORTRAN:
265:     return PETSC_VIEWER_DRAW_WORLD;
266:   case PETSC_VIEWER_DRAW_SELF_FORTRAN:
267:     return PETSC_VIEWER_DRAW_SELF;

269:   case PETSC_VIEWER_STDOUT_WORLD_FORTRAN:
270:     return PETSC_VIEWER_STDOUT_WORLD;
271:   case PETSC_VIEWER_STDOUT_SELF_FORTRAN:
272:     return PETSC_VIEWER_STDOUT_SELF;

274:   case PETSC_VIEWER_STDERR_WORLD_FORTRAN:
275:     return PETSC_VIEWER_STDERR_WORLD;
276:   case PETSC_VIEWER_STDERR_SELF_FORTRAN:
277:     return PETSC_VIEWER_STDERR_SELF;

279:   case PETSC_VIEWER_BINARY_WORLD_FORTRAN:
280:     return PETSC_VIEWER_BINARY_WORLD;
281:   case PETSC_VIEWER_BINARY_SELF_FORTRAN:
282:     return PETSC_VIEWER_BINARY_SELF;

284: #if defined(PETSC_HAVE_MATLAB)
285:   case PETSC_VIEWER_MATLAB_SELF_FORTRAN:
286:     return PETSC_VIEWER_MATLAB_SELF;
287:   case PETSC_VIEWER_MATLAB_WORLD_FORTRAN:
288:     return PETSC_VIEWER_MATLAB_WORLD;
289: #endif

291: #if defined(PETSC_USE_SOCKET_VIEWER)
292:   case PETSC_VIEWER_SOCKET_WORLD_FORTRAN:
293:     return PETSC_VIEWER_SOCKET_WORLD;
294:   case PETSC_VIEWER_SOCKET_SELF_FORTRAN:
295:     return PETSC_VIEWER_SOCKET_SELF;
296: #endif

298:   default:
299:     return *v;
300:   }
301: }

303: #if defined(PETSC_USE_SOCKET_VIEWER)
304:   #define PetscPatchDefaultViewers_Fortran_Socket(vin, v) \
305:     } \
306:     else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_SOCKET_WORLD_FORTRAN) \
307:     { \
308:       v = PETSC_VIEWER_SOCKET_WORLD; \
309:     } \
310:     else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_SOCKET_SELF_FORTRAN) \
311:     { \
312:       v = PETSC_VIEWER_SOCKET_SELF
313: #else
314:   #define PetscPatchDefaultViewers_Fortran_Socket(vin, v)
315: #endif

317: #define PetscPatchDefaultViewers_Fortran(vin, v) \
318:   do { \
319:     if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_DRAW_WORLD_FORTRAN) { \
320:       v = PETSC_VIEWER_DRAW_WORLD; \
321:     } else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_DRAW_SELF_FORTRAN) { \
322:       v = PETSC_VIEWER_DRAW_SELF; \
323:     } else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_STDOUT_WORLD_FORTRAN) { \
324:       v = PETSC_VIEWER_STDOUT_WORLD; \
325:     } else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_STDOUT_SELF_FORTRAN) { \
326:       v = PETSC_VIEWER_STDOUT_SELF; \
327:     } else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_STDERR_WORLD_FORTRAN) { \
328:       v = PETSC_VIEWER_STDERR_WORLD; \
329:     } else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_STDERR_SELF_FORTRAN) { \
330:       v = PETSC_VIEWER_STDERR_SELF; \
331:     } else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_BINARY_WORLD_FORTRAN) { \
332:       v = PETSC_VIEWER_BINARY_WORLD; \
333:     } else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_BINARY_SELF_FORTRAN) { \
334:       v = PETSC_VIEWER_BINARY_SELF; \
335:     } else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_MATLAB_WORLD_FORTRAN) { \
336:       v = PETSC_VIEWER_BINARY_WORLD; \
337:     } else if ((*(PetscFortranAddr *)vin) == PETSC_VIEWER_MATLAB_SELF_FORTRAN) { \
338:       v = PETSC_VIEWER_BINARY_SELF; \
339:       PetscPatchDefaultViewers_Fortran_Socket(vin, v); \
340:     } else { \
341:       v = *vin; \
342:     } \
343:   } while (0)

345: /*
346:       Allocates enough space to store Fortran function pointers in PETSc object
347:    that are needed by the Fortran interface.
348: */
349: #define PetscObjectAllocateFortranPointers(obj, N) \
350:   do { \
351:     if (!((PetscObject)(obj))->fortran_func_pointers) { \
352:       *ierr = PetscCalloc((N) * sizeof(void (*)(void)), &((PetscObject)(obj))->fortran_func_pointers); \
353:       if (*ierr) return; \
354:       ((PetscObject)obj)->num_fortran_func_pointers = (N); \
355:     } \
356:   } while (0)

358: #define PetscCallFortranVoidFunction(...) \
359:   do { \
360:     PetscErrorCode ierr = PETSC_SUCCESS; \
361:     /* the function may or may not access ierr */ \
362:     __VA_ARGS__; \
363:     PetscCall(ierr); \
364:   } while (0)

366: /* Entire function body, _ctx is a "special" variable that can be passed along */
367: #define PetscObjectUseFortranCallback_Private(obj, cid, types, args, cbclass) \
368:   do { \
369:     void(*func) types, *_ctx; \
370:     PetscFunctionBegin; \
371:     PetscCall(PetscObjectGetFortranCallback((PetscObject)(obj), (cbclass), (cid), (PetscVoidFn **)&func, &_ctx)); \
372:     if (func) PetscCallFortranVoidFunction((*func)args); \
373:     PetscFunctionReturn(PETSC_SUCCESS); \
374:   } while (0)
375: #define PetscObjectUseFortranCallback(obj, cid, types, args)        PetscObjectUseFortranCallback_Private(obj, cid, types, args, PETSC_FORTRAN_CALLBACK_CLASS)
376: #define PetscObjectUseFortranCallbackSubType(obj, cid, types, args) PetscObjectUseFortranCallback_Private(obj, cid, types, args, PETSC_FORTRAN_CALLBACK_SUBTYPE)

378: /* Disable deprecation warnings while building Fortran wrappers */
379: #undef PETSC_DEPRECATED_OBJECT
380: #define PETSC_DEPRECATED_OBJECT(...)
381: #undef PETSC_DEPRECATED_FUNCTION
382: #define PETSC_DEPRECATED_FUNCTION(...)
383: #undef PETSC_DEPRECATED_ENUM
384: #define PETSC_DEPRECATED_ENUM(...)
385: #undef PETSC_DEPRECATED_TYPEDEF
386: #define PETSC_DEPRECATED_TYPEDEF(...)
387: #undef PETSC_DEPRECATED_MACRO
388: #define PETSC_DEPRECATED_MACRO(...)

390: /* PGI compilers pass in f90 pointers as 2 arguments */
391: #if defined(PETSC_HAVE_F90_2PTR_ARG)
392:   #define PETSC_F90_2PTR_PROTO_NOVAR , void *
393:   #define PETSC_F90_2PTR_PROTO(ptr)  , void *ptr
394:   #define PETSC_F90_2PTR_PARAM(ptr)  , ptr
395: #else
396:   #define PETSC_F90_2PTR_PROTO_NOVAR
397:   #define PETSC_F90_2PTR_PROTO(ptr)
398:   #define PETSC_F90_2PTR_PARAM(ptr)
399: #endif

401: typedef struct {
402:   char dummy;
403: } F90Array1d;
404: typedef struct {
405:   char dummy;
406: } F90Array2d;
407: typedef struct {
408:   char dummy;
409: } F90Array3d;
410: typedef struct {
411:   char dummy;
412: } F90Array4d;

414: PETSC_EXTERN PetscErrorCode F90Array1dCreate(void *, MPI_Datatype, PetscInt, PetscInt, F90Array1d *PETSC_F90_2PTR_PROTO_NOVAR);
415: PETSC_EXTERN PetscErrorCode F90Array1dAccess(F90Array1d *, MPI_Datatype, void **PETSC_F90_2PTR_PROTO_NOVAR);
416: PETSC_EXTERN PetscErrorCode F90Array1dDestroy(F90Array1d *, MPI_Datatype PETSC_F90_2PTR_PROTO_NOVAR);

418: PETSC_EXTERN PetscErrorCode F90Array2dCreate(void *, MPI_Datatype, PetscInt, PetscInt, PetscInt, PetscInt, F90Array2d *PETSC_F90_2PTR_PROTO_NOVAR);
419: PETSC_EXTERN PetscErrorCode F90Array2dAccess(F90Array2d *, MPI_Datatype, void **PETSC_F90_2PTR_PROTO_NOVAR);
420: PETSC_EXTERN PetscErrorCode F90Array2dDestroy(F90Array2d *, MPI_Datatype PETSC_F90_2PTR_PROTO_NOVAR);

422: PETSC_EXTERN PetscErrorCode F90Array3dCreate(void *, MPI_Datatype, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, F90Array3d *PETSC_F90_2PTR_PROTO_NOVAR);
423: PETSC_EXTERN PetscErrorCode F90Array3dAccess(F90Array3d *, MPI_Datatype, void **PETSC_F90_2PTR_PROTO_NOVAR);
424: PETSC_EXTERN PetscErrorCode F90Array3dDestroy(F90Array3d *, MPI_Datatype PETSC_F90_2PTR_PROTO_NOVAR);

426: PETSC_EXTERN PetscErrorCode F90Array4dCreate(void *, MPI_Datatype, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, PetscInt, F90Array4d *PETSC_F90_2PTR_PROTO_NOVAR);
427: PETSC_EXTERN PetscErrorCode F90Array4dAccess(F90Array4d *, MPI_Datatype, void **PETSC_F90_2PTR_PROTO_NOVAR);
428: PETSC_EXTERN PetscErrorCode F90Array4dDestroy(F90Array4d *, MPI_Datatype PETSC_F90_2PTR_PROTO_NOVAR);

430: /*
431:   F90Array1dCreate - Given a C pointer to a one dimensional
432:   array and its length; this fills in the appropriate Fortran 90
433:   pointer data structure.

435:   Input Parameters:
436: +   array - regular C pointer (address)
437: .   type  - DataType of the array
438: .   start - starting index of the array
439: -   len   - length of array (in items)

441:   Output Parameter:
442: .   ptr - Fortran 90 pointer
443: */