xref: /petsc/src/sys/objects/ftn-custom/zstart.c (revision 285fb4e2b69b3de46a0633bd0adc6a7f684caa1e)
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 PETSC_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 PETSC_INTERN PetscErrorCode PetscOptionsCheckInitial_Private(void);
156 PETSC_INTERN PetscErrorCode PetscOptionsCheckInitial_Components(void);
157 PETSC_INTERN PetscErrorCode PetscInitialize_DynamicLibraries(void);
158 #if defined(PETSC_USE_LOG)
159 PETSC_INTERN PetscErrorCode PetscLogInitialize(void);
160 #endif
161 PETSC_EXTERN PetscErrorCode PetscMallocAlign(size_t,int,const char[],const char[],void**);
162 PETSC_EXTERN PetscErrorCode PetscFreeAlign(void*,int,const char[],const char[]);
163 PETSC_INTERN int  PetscGlobalArgc;
164 PETSC_INTERN 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 PETSC_INTERN PetscFPT PetscFPTData;
238 #endif
239 
240 /* -----------------------------------------------------------------------------------------------*/
241 
242 #if defined(PETSC_HAVE_SAWS)
243 #include <petscviewersaws.h>
244 PETSC_INTERN PetscErrorCode  PetscInitializeSAWs(const char[]);
245 #endif
246 
247 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelShared(MPI_Comm,PetscMPIInt,void *,void *);
248 
249 /*
250     petscinitialize - Version called from Fortran.
251 
252     Notes:
253       Since this is called from Fortran it does not return error codes
254 
255 */
256 static void petscinitialize_internal(char* filename, PetscInt len, PetscBool readarguments, PetscErrorCode *ierr)
257 {
258   int            j,i;
259 #if defined (PETSC_USE_NARGS)
260   short          flg;
261 #endif
262   int            flag;
263   PetscMPIInt    size;
264   char           *t1,name[256],hostname[64];
265   PetscMPIInt    f_petsc_comm_world;
266 
267   *ierr = PetscMemzero(name,sizeof(name)); if (*ierr) return;
268   if (PetscInitializeCalled) {*ierr = 0; return;}
269 
270   /* this must be initialized in a routine, not as a constant declaration*/
271   PETSC_STDOUT = stdout;
272   PETSC_STDERR = stderr;
273 
274   /* on Windows - set printf to default to printing 2 digit exponents */
275 #if defined(PETSC_HAVE__SET_OUTPUT_FORMAT)
276   _set_output_format(_TWO_DIGIT_EXPONENT);
277 #endif
278 
279   *ierr = PetscOptionsCreateDefault();
280   if (*ierr) return;
281   i = 0;
282 #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
283   getarg_(&i,name,sizeof(name));
284 #elif defined (PETSC_HAVE_PXFGETARG_NEW)
285   { int ilen,sierr;
286     getarg_(&i,name,&ilen,&sierr,256);
287     if (sierr) PetscStrncpy(name,"Unknown Name",256);
288     else name[ilen] = 0;
289   }
290 #elif defined(PETSC_USE_NARGS)
291   GETARG(&i,name,256,&flg);
292 #else
293   getarg_(&i,name,256);
294 #endif
295   /* Eliminate spaces at the end of the string */
296   for (j=sizeof(name)-2; j>=0; j--) {
297     if (name[j] != ' ') {
298       name[j+1] = 0;
299       break;
300     }
301   }
302   if (j<0) PetscStrncpy(name,"Unknown Name",256);
303   *ierr = PetscSetProgramName(name);
304   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscSetProgramName()\n");return;}
305 
306   /* check if PETSC_COMM_WORLD is initialized by the user in fortran */
307   petscgetcommoncomm_(&f_petsc_comm_world);
308   MPI_Initialized(&flag);
309   if (!flag) {
310     PetscMPIInt mierr;
311 
312     if (f_petsc_comm_world) {(*PetscErrorPrintf)("You cannot set PETSC_COMM_WORLD if you have not initialized MPI first\n");return;}
313     mpi_init_(&mierr);
314     if (mierr) {
315       *ierr = mierr;
316       (*PetscErrorPrintf)("PetscInitialize: Calling Fortran MPI_Init()\n");
317       return;
318     }
319     PetscBeganMPI = PETSC_TRUE;
320   }
321   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 */
322   else PETSC_COMM_WORLD = MPI_COMM_WORLD;
323   PetscInitializeCalled = PETSC_TRUE;
324 
325   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockOpen);
326   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
327   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStdout);
328   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
329   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStderr);
330   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
331   *ierr = PetscSpinlockCreate(&PetscCommSpinLock);
332   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
333 
334   *ierr = PetscErrorPrintfInitialize();
335   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
336   *ierr = MPI_Comm_rank(MPI_COMM_WORLD,&PetscGlobalRank);
337   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalRank\n");return;}
338   *ierr = MPI_Comm_size(MPI_COMM_WORLD,&PetscGlobalSize);
339   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalSize\n");return;}
340 
341   MPIU_BOOL = MPI_INT;
342   MPIU_ENUM = MPI_INT;
343 
344 #if defined(PETSC_HAVE_COMPLEX)
345   /*
346      Initialized the global variable; this is because with
347      shared libraries the constructors for global variables
348      are not called; at least on IRIX.
349   */
350   {
351 #if defined(PETSC_CLANGUAGE_CXX) && !defined(PETSC_USE_REAL___FLOAT128)
352     PetscComplex ic(0.0,1.0);
353     PETSC_i = ic;
354 #else
355     PETSC_i = _Complex_I;
356 #endif
357   }
358 
359 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)
360   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU_C_DOUBLE_COMPLEX);
361   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
362   *ierr = MPI_Type_commit(&MPIU_C_DOUBLE_COMPLEX);
363   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
364   *ierr = MPI_Type_contiguous(2,MPI_FLOAT,&MPIU_C_COMPLEX);
365   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
366   *ierr = MPI_Type_commit(&MPIU_C_COMPLEX);
367   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
368   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
369   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
370 #endif
371 
372 #endif
373 
374 #if defined(PETSC_USE_REAL___FLOAT128)
375   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU___FLOAT128);
376   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
377   *ierr = MPI_Type_commit(&MPIU___FLOAT128);
378   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
379 #if defined(PETSC_HAVE_COMPLEX)
380   *ierr = MPI_Type_contiguous(4,MPI_DOUBLE,&MPIU___COMPLEX128);
381   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
382   *ierr = MPI_Type_commit(&MPIU___COMPLEX128);
383   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
384 #endif
385   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
386   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
387   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
388   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
389   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
390   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
391 #elif defined(PETSC_USE_REAL___FP16)
392   *ierr = MPI_Type_contiguous(2,MPI_CHAR,&MPIU___FP16);
393   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
394   *ierr = MPI_Type_commit(&MPIU___FP16);
395   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
396   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
397   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
398   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
399   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
400   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
401   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
402 #endif
403 
404   /*
405        Create the PETSc MPI reduction operator that sums of the first
406      half of the entries and maxes the second half.
407   */
408   *ierr = MPI_Op_create(MPIU_MaxSum_Local,1,&MPIU_MAXSUM_OP);
409   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
410 
411   *ierr = MPI_Type_contiguous(2,MPIU_SCALAR,&MPIU_2SCALAR);
412   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
413   *ierr = MPI_Type_commit(&MPIU_2SCALAR);
414   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
415 #if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT)
416   *ierr = MPI_Type_contiguous(2,MPIU_INT,&MPIU_2INT);
417   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
418   *ierr = MPI_Type_commit(&MPIU_2INT);
419   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
420 #endif
421   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelCounter,&Petsc_Counter_keyval,(void*)0);
422   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
423   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelComm_Outer,&Petsc_InnerComm_keyval,(void*)0);
424   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
425   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelComm_Inner,&Petsc_OuterComm_keyval,(void*)0);
426   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
427   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelShared,&Petsc_Shared_keyval,(void*)0);
428   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
429 
430   /*
431      PetscInitializeFortran() is called twice. Here it initializes
432      PETSC_NULL_CHARACTER_Fortran. Below it initializes the PETSC_VIEWERs.
433      The PETSC_VIEWERs have not been created yet, so they must be initialized
434      below.
435   */
436   PetscInitializeFortran();
437   if(readarguments == PETSC_TRUE) {
438     PETScParseFortranArgs_Private(&PetscGlobalArgc,&PetscGlobalArgs);
439     FIXCHAR(filename,len,t1);
440     *ierr = PetscOptionsInsert(NULL,&PetscGlobalArgc,&PetscGlobalArgs,t1);
441     FREECHAR(filename,t1);
442     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating options database\n");return;}
443   }
444   *ierr = PetscOptionsCheckInitial_Private();
445   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
446   /* call a second time to check options database */
447   *ierr = PetscErrorPrintfInitialize();
448   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
449   *ierr = PetscCitationsInitialize();
450   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscCitationsInitialize()\n");return;}
451 #if defined(PETSC_HAVE_SAWS)
452   *ierr = PetscInitializeSAWs(NULL);
453   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing SAWs\n");return;}
454 #endif
455 #if defined(PETSC_USE_LOG)
456   *ierr = PetscLogInitialize();
457   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: intializing logging\n");return;}
458 #endif
459   *ierr = PetscInitialize_DynamicLibraries();
460   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing dynamic libraries\n");return;}
461 
462   *ierr = PetscInitializeFortran();
463   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Setting up common block\n");return;}
464 
465   *ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);
466   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting MPI_Comm_size()\n");return;}
467   *ierr = PetscInfo1(0,"(Fortran):PETSc successfully started: procs %d\n",size);
468   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
469   *ierr = PetscGetHostName(hostname,64);
470   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting hostname\n");return;}
471   *ierr = PetscInfo1(0,"Running on machine: %s\n",hostname);
472   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
473   *ierr = PetscOptionsCheckInitial_Components();
474   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
475 
476 #if defined(PETSC_USE_DEBUG) && !defined(PETSC_HAVE_THREADSAFETY)
477   *ierr = PetscStackCreate();
478   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscStackCreate()\n");return;}
479 #endif
480 
481 #if defined(PETSC_SERIALIZE_FUNCTIONS)
482   *ierr = PetscFPTCreate(10000);
483   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscFPTCreate()\n");return;}
484 #endif
485 }
486 
487 PETSC_EXTERN void PETSC_STDCALL petscinitialize_(char* filename PETSC_MIXED_LEN(len),PetscErrorCode *ierr PETSC_END_LEN(len))
488 {
489   petscinitialize_internal(filename, len, PETSC_TRUE, ierr);
490 }
491 
492 PETSC_EXTERN void PETSC_STDCALL petscinitializenoarguments_(PetscErrorCode *ierr)
493 {
494   petscinitialize_internal(NULL, (PetscInt) 0, PETSC_FALSE, ierr);
495 }
496 
497 
498 PETSC_EXTERN void PETSC_STDCALL petscfinalize_(PetscErrorCode *ierr)
499 {
500 #if defined(PETSC_HAVE_SUNMATHPRO)
501   extern void standard_arithmetic();
502   standard_arithmetic();
503 #endif
504   /* was malloced with PetscMallocAlign() so free the same way */
505   *ierr = PetscFreeAlign(PetscGlobalArgs,0,0,0);if (*ierr) {(*PetscErrorPrintf)("PetscFinalize:Freeing args\n");return;}
506 
507   *ierr = PetscFinalize();
508 }
509 
510 PETSC_EXTERN void PETSC_STDCALL petscend_(PetscErrorCode *ierr)
511 {
512 #if defined(PETSC_HAVE_SUNMATHPRO)
513   extern void standard_arithmetic();
514   standard_arithmetic();
515 #endif
516 
517   *ierr = PetscEnd();
518 }
519 
520