xref: /petsc/src/sys/objects/ftn-custom/zstart.c (revision feff33ee0b5b037fa8f9f294dede656a2f85cc47) !
1 /*
2   This file contains Fortran stubs for PetscInitialize and Finalize.
3 */
4 
5 /*
6     This is to prevent the Cray T3D version of MPI (University of Edinburgh)
7   from stupidly redefining MPI_INIT(). They put this in to detect errors
8   in C code,but here I do want to be calling the Fortran version from a
9   C subroutine.
10 */
11 #define T3DMPI_FORTRAN
12 #define T3EMPI_FORTRAN
13 
14 #include <petsc/private/fortranimpl.h>
15 
16 #if defined(PETSC_HAVE_FORTRAN_CAPS)
17 #define petscinitialize_              PETSCINITIALIZE
18 #define petscinitializenoarguments_   PETSCINITIALIZENOARGUMENTS
19 #define petscfinalize_                PETSCFINALIZE
20 #define petscend_                     PETSCEND
21 #define iargc_                        IARGC
22 #define getarg_                       GETARG
23 #define mpi_init_                     MPI_INIT
24 #define petscgetcommoncomm_           PETSCGETCOMMONCOMM
25 #define petsccommandargumentcount_    PETSCCOMMANDARGUMENTCOUNT
26 #define petscgetcommandargument_      PETSCGETCOMMANDARGUMENT
27 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
28 #define petscinitialize_              petscinitialize
29 #define petscinitializenoarguments_   petscinitializenoarguments
30 #define petscfinalize_                petscfinalize
31 #define petscend_                     petscend
32 #define mpi_init_                     mpi_init
33 #define iargc_                        iargc
34 #define getarg_                       getarg
35 #define petscgetcommoncomm_           petscgetcommoncomm
36 #define petsccommandargumentcount_    petsccommandargumentcount
37 #define petscgetcommandargument_      petscgetcommandargument
38 #endif
39 
40 #if defined(PETSC_HAVE_NAGF90)
41 #undef iargc_
42 #undef getarg_
43 #define iargc_  f90_unix_MP_iargc
44 #define getarg_ f90_unix_MP_getarg
45 #endif
46 #if defined(PETSC_USE_NARGS) /* Digital Fortran */
47 #undef iargc_
48 #undef getarg_
49 #define iargc_  NARGS
50 #define getarg_ GETARG
51 #elif defined(PETSC_HAVE_PXFGETARG_NEW)  /* cray x1 */
52 #undef iargc_
53 #undef getarg_
54 #define iargc_  ipxfargc_
55 #define getarg_ pxfgetarg_
56 #endif
57 #if defined(PETSC_HAVE_FORTRAN_IARGC_UNDERSCORE) /* HPUX + no underscore */
58 #undef iargc_
59 #undef getarg_
60 #define iargc_   iargc_
61 #define getarg_  getarg_
62 #endif
63 
64 #if defined(PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* Fortran 2003 */
65 #undef iargc_
66 #undef getarg_
67 #define iargc_ petsccommandargumentcount_
68 #define getarg_ petscgetcommandargument_
69 #elif defined(PETSC_HAVE_GFORTRAN_IARGC) /* gfortran from gcc4 */
70 #undef iargc_
71 #undef getarg_
72 #define iargc_  _gfortran_iargc
73 #define getarg_ _gfortran_getarg_i4
74 #elif defined(PETSC_HAVE_BGL_IARGC) /* bgl g77 has different external & internal name mangling */
75 #undef iargc_
76 #undef getarg_
77 #define iargc  iargc_
78 #define getarg getarg_
79 #endif
80 
81 /*
82     The extra _ is because the f2c compiler puts an
83   extra _ at the end if the original routine name
84   contained any _.
85 */
86 #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE)
87 #define mpi_init_             mpi_init__
88 #endif
89 
90 #if defined(PETSC_HAVE_MPIUNI)
91 #if defined(mpi_init_)
92 #undef mpi_init_
93 #if defined(PETSC_HAVE_FORTRAN_CAPS)
94 #define mpi_init_             PETSC_MPI_INIT
95 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
96 #define mpi_init_             petsc_mpi_init
97 #elif defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE)
98 #define mpi_init_             petsc_mpi_init__
99 #endif
100 #else    /* mpi_init_ */
101 #define mpi_init_             petsc_mpi_init_
102 #endif   /* mpi_init_ */
103 #endif   /* PETSC_HAVE_MPIUNI */
104 
105 PETSC_EXTERN void PETSC_STDCALL mpi_init_(int*);
106 PETSC_EXTERN void PETSC_STDCALL petscgetcommoncomm_(PetscMPIInt*);
107 
108 /*
109      Different Fortran compilers handle command lines in different ways
110 */
111 #if defined(PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* Fortran 2003  - same as 'else' case */
112 PETSC_EXTERN int iargc_(void);
113 PETSC_EXTERN void getarg_(int*,char*,int);
114 #elif defined(PETSC_USE_NARGS)
115 PETSC_EXTERN short __stdcall NARGS();
116 PETSC_EXTERN void __stdcall GETARG(short*,char*,int,short *);
117 
118 #elif defined(PETSC_HAVE_FORTRAN_STDCALL)
119 PETSC_EXTERN int PETSC_STDCALL IARGC();
120 PETSC_EXTERN void PETSC_STDCALL GETARG(int *,char *,int);
121 
122 #elif defined(PETSC_HAVE_PXFGETARG_NEW)
123 PETSC_EXTERN int iargc_();
124 PETSC_EXTERN void getarg_(int*,char*,int*,int*,int);
125 
126 #else
127 PETSC_EXTERN int iargc_();
128 PETSC_EXTERN void getarg_(int*,char*,int);
129 /*
130       The Cray T3D/T3E use the PXFGETARG() function
131 */
132 #if defined(PETSC_HAVE_PXFGETARG)
133 PETSC_EXTERN void PXFGETARG(int*,_fcd,int*,int*);
134 #endif
135 #endif
136 
137 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16)
138 extern MPI_Op MPIU_SUM;
139 
140 PETSC_EXTERN void MPIAPI PetscSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
141 
142 #endif
143 #if defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16)
144 
145 PETSC_EXTERN void MPIAPI PetscSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
146 PETSC_EXTERN void MPIAPI PetscMax_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
147 PETSC_EXTERN void MPIAPI PetscMin_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
148 #endif
149 
150 PETSC_INTERN void MPIAPI MPIU_MaxSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
151 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelCounter(MPI_Comm,PetscMPIInt,void*,void*);
152 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelComm_Inner(MPI_Comm,PetscMPIInt,void*,void*);
153 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelComm_Outer(MPI_Comm,PetscMPIInt,void*,void*);
154 
155 extern PetscErrorCode  PetscOptionsCheckInitial_Private(void);
156 extern PetscErrorCode  PetscOptionsCheckInitial_Components(void);
157 extern PetscErrorCode  PetscInitialize_DynamicLibraries(void);
158 #if defined(PETSC_USE_LOG)
159 extern PetscErrorCode  PetscLogInitialize(void);
160 #endif
161 extern PetscErrorCode  PetscMallocAlign(size_t,int,const char[],const char[],void**);
162 extern PetscErrorCode  PetscFreeAlign(void*,int,const char[],const char[]);
163 extern int  PetscGlobalArgc;
164 extern char **PetscGlobalArgs;
165 
166 /*
167     Reads in Fortran command line argments and sends them to
168   all processors.
169 */
170 
171 PetscErrorCode PETScParseFortranArgs_Private(int *argc,char ***argv)
172 {
173 #if defined(PETSC_USE_NARGS)
174   short          i,flg;
175 #else
176   int            i;
177 #endif
178   PetscErrorCode ierr;
179   int            warg = 256;
180   PetscMPIInt    rank;
181   char           *p;
182 
183   ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
184   if (!rank) {
185 #if defined(PETSC_HAVE_IARG_COUNT_PROGNAME)
186     *argc = iargc_();
187 #else
188     /* most compilers do not count the program name for argv[0] */
189     *argc = 1 + iargc_();
190 #endif
191   }
192   ierr = MPI_Bcast(argc,1,MPI_INT,0,PETSC_COMM_WORLD);CHKERRQ(ierr);
193 
194   /* PetscTrMalloc() not yet set, so don't use PetscMalloc() */
195   ierr = PetscMallocAlign((*argc+1)*(warg*sizeof(char)+sizeof(char*)),0,0,0,(void**)argv);CHKERRQ(ierr);
196   (*argv)[0] = (char*)(*argv + *argc + 1);
197 
198   if (!rank) {
199     ierr = PetscMemzero((*argv)[0],(*argc)*warg*sizeof(char));CHKERRQ(ierr);
200     for (i=0; i<*argc; i++) {
201       (*argv)[i+1] = (*argv)[i] + warg;
202 #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
203       getarg_(&i,(*argv)[i],warg);
204 #elif defined(PETSC_HAVE_PXFGETARG_NEW)
205       {char *tmp = (*argv)[i];
206       int ilen;
207       getarg_(&i,tmp,&ilen,&ierr,warg);CHKERRQ(ierr);
208       tmp[ilen] = 0;}
209 #elif defined(PETSC_USE_NARGS)
210       GETARG(&i,(*argv)[i],warg,&flg);
211 #else
212       /*
213       Because the stupid #defines above define all kinds of things to getarg_ we cannot do this test
214       #elif defined(PETSC_HAVE_GETARG)
215       getarg_(&i,(*argv)[i],warg);
216       #else
217          SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cannot get Fortran command line arguments");
218       */
219       getarg_(&i,(*argv)[i],warg);
220 #endif
221       /* zero out garbage at end of each argument */
222       p = (*argv)[i] + warg-1;
223       while (p > (*argv)[i]) {
224         if (*p == ' ') *p = 0;
225         p--;
226       }
227     }
228   }
229   ierr = MPI_Bcast((*argv)[0],*argc*warg,MPI_CHAR,0,PETSC_COMM_WORLD);CHKERRQ(ierr);
230   if (rank) {
231     for (i=0; i<*argc; i++) (*argv)[i+1] = (*argv)[i] + warg;
232   }
233   return 0;
234 }
235 
236 #if defined(PETSC_SERIALIZE_FUNCTIONS)
237 extern PetscFPT PetscFPTData;
238 #endif
239 
240 #if defined(PETSC_HAVE_THREADSAFETY)
241 extern PetscSpinlock PetscViewerASCIISpinLockOpen;
242 extern PetscSpinlock PetscViewerASCIISpinLockStdout;
243 extern PetscSpinlock PetscViewerASCIISpinLockStderr;
244 extern PetscSpinlock PetscCommSpinLock;
245 #endif
246 
247 /* -----------------------------------------------------------------------------------------------*/
248 
249 #if defined(PETSC_HAVE_SAWS)
250 #include <petscviewersaws.h>
251 extern PetscErrorCode  PetscInitializeSAWs(const char[]);
252 #endif
253 
254 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelShared(MPI_Comm,PetscMPIInt,void *,void *);
255 
256 /*
257     petscinitialize - Version called from Fortran.
258 
259     Notes:
260       Since this is called from Fortran it does not return error codes
261 
262 */
263 static void petscinitialize_internal(char* filename, PetscInt len, PetscBool readarguments, PetscErrorCode *ierr)
264 {
265   int            j,i;
266 #if defined (PETSC_USE_NARGS)
267   short          flg;
268 #endif
269   int            flag;
270   PetscMPIInt    size;
271   char           *t1,name[256],hostname[64];
272   PetscMPIInt    f_petsc_comm_world;
273 
274   *ierr = PetscMemzero(name,sizeof(name)); if (*ierr) return;
275   if (PetscInitializeCalled) {*ierr = 0; return;}
276 
277   /* this must be initialized in a routine, not as a constant declaration*/
278   PETSC_STDOUT = stdout;
279   PETSC_STDERR = stderr;
280 
281   /* on Windows - set printf to default to printing 2 digit exponents */
282 #if defined(PETSC_HAVE__SET_OUTPUT_FORMAT)
283   _set_output_format(_TWO_DIGIT_EXPONENT);
284 #endif
285 
286   *ierr = PetscOptionsCreateDefault();
287   if (*ierr) return;
288   i = 0;
289 #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
290   getarg_(&i,name,sizeof(name));
291 #elif defined (PETSC_HAVE_PXFGETARG_NEW)
292   { int ilen,sierr;
293     getarg_(&i,name,&ilen,&sierr,256);
294     if (sierr) PetscStrncpy(name,"Unknown Name",256);
295     else name[ilen] = 0;
296   }
297 #elif defined(PETSC_USE_NARGS)
298   GETARG(&i,name,256,&flg);
299 #else
300   getarg_(&i,name,256);
301 #endif
302   /* Eliminate spaces at the end of the string */
303   for (j=sizeof(name)-2; j>=0; j--) {
304     if (name[j] != ' ') {
305       name[j+1] = 0;
306       break;
307     }
308   }
309   if (j<0) PetscStrncpy(name,"Unknown Name",256);
310   *ierr = PetscSetProgramName(name);
311   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscSetProgramName()\n");return;}
312 
313   /* check if PETSC_COMM_WORLD is initialized by the user in fortran */
314   petscgetcommoncomm_(&f_petsc_comm_world);
315   MPI_Initialized(&flag);
316   if (!flag) {
317     PetscMPIInt mierr;
318 
319     if (f_petsc_comm_world) {(*PetscErrorPrintf)("You cannot set PETSC_COMM_WORLD if you have not initialized MPI first\n");return;}
320     mpi_init_(&mierr);
321     if (mierr) {
322       *ierr = mierr;
323       (*PetscErrorPrintf)("PetscInitialize: Calling Fortran MPI_Init()\n");
324       return;
325     }
326     PetscBeganMPI = PETSC_TRUE;
327   }
328   if (f_petsc_comm_world) PETSC_COMM_WORLD = MPI_Comm_f2c(*(MPI_Fint*)&f_petsc_comm_world); /* User called MPI_INITIALIZE() and changed PETSC_COMM_WORLD */
329   else PETSC_COMM_WORLD = MPI_COMM_WORLD;
330   PetscInitializeCalled = PETSC_TRUE;
331 
332   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockOpen);
333   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
334   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStdout);
335   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
336   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStderr);
337   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
338   *ierr = PetscSpinlockCreate(&PetscCommSpinLock);
339   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
340 
341   *ierr = PetscErrorPrintfInitialize();
342   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
343   *ierr = MPI_Comm_rank(MPI_COMM_WORLD,&PetscGlobalRank);
344   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalRank\n");return;}
345   *ierr = MPI_Comm_size(MPI_COMM_WORLD,&PetscGlobalSize);
346   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalSize\n");return;}
347 
348   MPIU_BOOL = MPI_INT;
349   MPIU_ENUM = MPI_INT;
350 
351 #if defined(PETSC_HAVE_COMPLEX)
352   /*
353      Initialized the global variable; this is because with
354      shared libraries the constructors for global variables
355      are not called; at least on IRIX.
356   */
357   {
358 #if defined(PETSC_CLANGUAGE_CXX) && !defined(PETSC_USE_REAL___FLOAT128)
359     PetscComplex ic(0.0,1.0);
360     PETSC_i = ic;
361 #else
362     PETSC_i = _Complex_I;
363 #endif
364   }
365 
366 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)
367   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU_C_DOUBLE_COMPLEX);
368   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
369   *ierr = MPI_Type_commit(&MPIU_C_DOUBLE_COMPLEX);
370   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
371   *ierr = MPI_Type_contiguous(2,MPI_FLOAT,&MPIU_C_COMPLEX);
372   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
373   *ierr = MPI_Type_commit(&MPIU_C_COMPLEX);
374   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
375   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
376   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
377 #endif
378 
379 #endif
380 
381 #if defined(PETSC_USE_REAL___FLOAT128)
382   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU___FLOAT128);
383   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
384   *ierr = MPI_Type_commit(&MPIU___FLOAT128);
385   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
386 #if defined(PETSC_HAVE_COMPLEX)
387   *ierr = MPI_Type_contiguous(4,MPI_DOUBLE,&MPIU___COMPLEX128);
388   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
389   *ierr = MPI_Type_commit(&MPIU___COMPLEX128);
390   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
391 #endif
392   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
393   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
394   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
395   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
396   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
397   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
398 #elif defined(PETSC_USE_REAL___FP16)
399   *ierr = MPI_Type_contiguous(2,MPI_CHAR,&MPIU___FP16);
400   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
401   *ierr = MPI_Type_commit(&MPIU___FP16);
402   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
403   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
404   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
405   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
406   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
407   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
408   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
409 #endif
410 
411   /*
412        Create the PETSc MPI reduction operator that sums of the first
413      half of the entries and maxes the second half.
414   */
415   *ierr = MPI_Op_create(MPIU_MaxSum_Local,1,&MPIU_MAXSUM_OP);
416   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
417 
418   *ierr = MPI_Type_contiguous(2,MPIU_SCALAR,&MPIU_2SCALAR);
419   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
420   *ierr = MPI_Type_commit(&MPIU_2SCALAR);
421   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
422 #if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT)
423   *ierr = MPI_Type_contiguous(2,MPIU_INT,&MPIU_2INT);
424   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
425   *ierr = MPI_Type_commit(&MPIU_2INT);
426   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
427 #endif
428   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelCounter,&Petsc_Counter_keyval,(void*)0);
429   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
430   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelComm_Outer,&Petsc_InnerComm_keyval,(void*)0);
431   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
432   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelComm_Inner,&Petsc_OuterComm_keyval,(void*)0);
433   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
434   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelShared,&Petsc_Shared_keyval,(void*)0);
435   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
436 
437   /*
438      PetscInitializeFortran() is called twice. Here it initializes
439      PETSC_NULL_CHARACTER_Fortran. Below it initializes the PETSC_VIEWERs.
440      The PETSC_VIEWERs have not been created yet, so they must be initialized
441      below.
442   */
443   PetscInitializeFortran();
444   if(readarguments == PETSC_TRUE) {
445     PETScParseFortranArgs_Private(&PetscGlobalArgc,&PetscGlobalArgs);
446     FIXCHAR(filename,len,t1);
447     *ierr = PetscOptionsInsert(NULL,&PetscGlobalArgc,&PetscGlobalArgs,t1);
448     FREECHAR(filename,t1);
449     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating options database\n");return;}
450   }
451   *ierr = PetscOptionsCheckInitial_Private();
452   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
453   /* call a second time to check options database */
454   *ierr = PetscErrorPrintfInitialize();
455   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
456   *ierr = PetscCitationsInitialize();
457   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscCitationsInitialize()\n");return;}
458 #if defined(PETSC_HAVE_SAWS)
459   *ierr = PetscInitializeSAWs(NULL);
460   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing SAWs\n");return;}
461 #endif
462 #if defined(PETSC_USE_LOG)
463   *ierr = PetscLogInitialize();
464   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: intializing logging\n");return;}
465 #endif
466   *ierr = PetscInitialize_DynamicLibraries();
467   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing dynamic libraries\n");return;}
468 
469   *ierr = PetscInitializeFortran();
470   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Setting up common block\n");return;}
471 
472   *ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);
473   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting MPI_Comm_size()\n");return;}
474   *ierr = PetscInfo1(0,"(Fortran):PETSc successfully started: procs %d\n",size);
475   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
476   *ierr = PetscGetHostName(hostname,64);
477   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting hostname\n");return;}
478   *ierr = PetscInfo1(0,"Running on machine: %s\n",hostname);
479   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
480   *ierr = PetscOptionsCheckInitial_Components();
481   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
482 
483 #if defined(PETSC_USE_DEBUG) && !defined(PETSC_HAVE_THREADSAFETY)
484   *ierr = PetscStackCreate();
485   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscStackCreate()\n");return;}
486 #endif
487 
488 #if defined(PETSC_SERIALIZE_FUNCTIONS)
489   *ierr = PetscFPTCreate(10000);
490   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscFPTCreate()\n");return;}
491 #endif
492 }
493 
494 PETSC_EXTERN void PETSC_STDCALL petscinitialize_(char* filename PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
495 {
496   petscinitialize_internal(filename, len, PETSC_TRUE, ierr);
497 }
498 
499 PETSC_EXTERN void PETSC_STDCALL petscinitializenoarguments_(PetscErrorCode *ierr)
500 {
501   petscinitialize_internal(NULL, (PetscInt) 0, PETSC_FALSE, ierr);
502 }
503 
504 
505 PETSC_EXTERN void PETSC_STDCALL petscfinalize_(PetscErrorCode *ierr)
506 {
507 #if defined(PETSC_HAVE_SUNMATHPRO)
508   extern void standard_arithmetic();
509   standard_arithmetic();
510 #endif
511   /* was malloced with PetscMallocAlign() so free the same way */
512   *ierr = PetscFreeAlign(PetscGlobalArgs,0,0,0);if (*ierr) {(*PetscErrorPrintf)("PetscFinalize:Freeing args\n");return;}
513 
514   *ierr = PetscFinalize();
515 }
516 
517 PETSC_EXTERN void PETSC_STDCALL petscend_(PetscErrorCode *ierr)
518 {
519 #if defined(PETSC_HAVE_SUNMATHPRO)
520   extern void standard_arithmetic();
521   standard_arithmetic();
522 #endif
523 
524   *ierr = PetscEnd();
525 }
526 
527