xref: /petsc/src/sys/objects/ftn-custom/zstart.c (revision 2da392cc7c10228af19ad9843ce5155178acb644)
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 petscgetcomm_                 PETSCGETCOMM
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 petscgetcomm_                 petscgetcomm
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 mpi_init_(int*);
106 PETSC_EXTERN void petscgetcomm_(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_PXFGETARG_NEW)
119 PETSC_EXTERN int iargc_();
120 PETSC_EXTERN void getarg_(int*,char*,int*,int*,int);
121 
122 #else
123 PETSC_EXTERN int iargc_();
124 PETSC_EXTERN void getarg_(int*,char*,int);
125 /*
126       The Cray T3D/T3E use the PXFGETARG() function
127 */
128 #if defined(PETSC_HAVE_PXFGETARG)
129 PETSC_EXTERN void PXFGETARG(int*,_fcd,int*,int*);
130 #endif
131 #endif
132 
133 #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16)
134 PETSC_EXTERN MPI_Op MPIU_SUM;
135 
136 PETSC_EXTERN void MPIAPI PetscSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
137 
138 #endif
139 #if defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16)
140 
141 PETSC_EXTERN void MPIAPI PetscSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
142 PETSC_EXTERN void MPIAPI PetscMax_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
143 PETSC_EXTERN void MPIAPI PetscMin_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
144 #endif
145 
146 PETSC_INTERN void MPIAPI MPIU_MaxSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
147 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_Counter_Attr_Delete_Fn(MPI_Comm,PetscMPIInt,void*,void*);
148 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_InnerComm_Attr_Delete_Fn(MPI_Comm,PetscMPIInt,void*,void*);
149 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_OuterComm_Attr_Delete_Fn(MPI_Comm,PetscMPIInt,void*,void*);
150 
151 PETSC_INTERN PetscErrorCode PetscOptionsCheckInitial_Private(void);
152 PETSC_INTERN PetscErrorCode PetscInitialize_DynamicLibraries(void);
153 #if defined(PETSC_USE_LOG)
154 PETSC_INTERN PetscErrorCode PetscLogInitialize(void);
155 #endif
156 PETSC_EXTERN PetscErrorCode PetscMallocAlign(size_t,PetscBool,int,const char[],const char[],void**);
157 PETSC_EXTERN PetscErrorCode PetscFreeAlign(void*,int,const char[],const char[]);
158 PETSC_INTERN int  PetscGlobalArgc;
159 PETSC_INTERN char **PetscGlobalArgs;
160 
161 /*
162     Reads in Fortran command line argments and sends them to
163   all processors.
164 */
165 
166 PetscErrorCode PETScParseFortranArgs_Private(int *argc,char ***argv)
167 {
168 #if defined(PETSC_USE_NARGS)
169   short          i,flg;
170 #else
171   int            i;
172 #endif
173   PetscErrorCode ierr;
174   int            warg = 256;
175   PetscMPIInt    rank;
176   char           *p;
177 
178   ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
179   if (!rank) {
180 #if defined(PETSC_HAVE_IARG_COUNT_PROGNAME)
181     *argc = iargc_();
182 #else
183     /* most compilers do not count the program name for argv[0] */
184     *argc = 1 + iargc_();
185 #endif
186   }
187   ierr = MPI_Bcast(argc,1,MPI_INT,0,PETSC_COMM_WORLD);CHKERRQ(ierr);
188 
189   /* PetscTrMalloc() not yet set, so don't use PetscMalloc() */
190   ierr = PetscMallocAlign((*argc+1)*(warg*sizeof(char)+sizeof(char*)),PETSC_FALSE,0,0,0,(void**)argv);CHKERRQ(ierr);
191   (*argv)[0] = (char*)(*argv + *argc + 1);
192 
193   if (!rank) {
194     ierr = PetscMemzero((*argv)[0],(*argc)*warg*sizeof(char));CHKERRQ(ierr);
195     for (i=0; i<*argc; i++) {
196       (*argv)[i+1] = (*argv)[i] + warg;
197 #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
198       getarg_(&i,(*argv)[i],warg);
199 #elif defined(PETSC_HAVE_PXFGETARG_NEW)
200       {char *tmp = (*argv)[i];
201       int ilen;
202       getarg_(&i,tmp,&ilen,&ierr,warg);CHKERRQ(ierr);
203       tmp[ilen] = 0;}
204 #elif defined(PETSC_USE_NARGS)
205       GETARG(&i,(*argv)[i],warg,&flg);
206 #else
207       /*
208       Because the stupid #defines above define all kinds of things to getarg_ we cannot do this test
209       #elif defined(PETSC_HAVE_GETARG)
210       getarg_(&i,(*argv)[i],warg);
211       #else
212          SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cannot get Fortran command line arguments");
213       */
214       getarg_(&i,(*argv)[i],warg);
215 #endif
216       /* zero out garbage at end of each argument */
217       p = (*argv)[i] + warg-1;
218       while (p > (*argv)[i]) {
219         if (*p == ' ') *p = 0;
220         p--;
221       }
222     }
223   }
224   ierr = MPI_Bcast((*argv)[0],*argc*warg,MPI_CHAR,0,PETSC_COMM_WORLD);CHKERRQ(ierr);
225   if (rank) {
226     for (i=0; i<*argc; i++) (*argv)[i+1] = (*argv)[i] + warg;
227   }
228   return 0;
229 }
230 
231 #if defined(PETSC_SERIALIZE_FUNCTIONS)
232 PETSC_INTERN PetscFPT PetscFPTData;
233 #endif
234 
235 #if defined(PETSC_HAVE_ADIOS)
236 #include <adios.h>
237 #include <adios_read.h>
238 #endif
239 /* -----------------------------------------------------------------------------------------------*/
240 
241 #if defined(PETSC_HAVE_SAWS)
242 #include <petscviewersaws.h>
243 PETSC_INTERN PetscErrorCode  PetscInitializeSAWs(const char[]);
244 #endif
245 
246 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_ShmComm_Attr_Delete_Fn(MPI_Comm,PetscMPIInt,void *,void *);
247 PETSC_INTERN PetscErrorCode PetscPreMPIInit_Private();
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   petscgetcomm_(&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 
314     *ierr = PetscPreMPIInit_Private(); if (*ierr) return;
315     mpi_init_(&mierr);
316     if (mierr) {
317       *ierr = mierr;
318       (*PetscErrorPrintf)("PetscInitialize: Calling Fortran MPI_Init()\n");
319       return;
320     }
321     PetscBeganMPI = PETSC_TRUE;
322   }
323   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 */
324   else PETSC_COMM_WORLD = MPI_COMM_WORLD;
325   *ierr = MPI_Comm_set_errhandler(PETSC_COMM_WORLD,MPI_ERRORS_RETURN);
326   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting MPI error handler\n");return;}
327   PetscInitializeCalled = PETSC_TRUE;
328 
329   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockOpen);
330   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
331   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStdout);
332   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
333   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStderr);
334   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
335   *ierr = PetscSpinlockCreate(&PetscCommSpinLock);
336   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
337 
338   *ierr = PetscErrorPrintfInitialize();
339   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
340   *ierr = MPI_Comm_rank(MPI_COMM_WORLD,&PetscGlobalRank);
341   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalRank\n");return;}
342   *ierr = MPI_Comm_size(MPI_COMM_WORLD,&PetscGlobalSize);
343   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalSize\n");return;}
344 
345   MPIU_BOOL = MPI_INT;
346   MPIU_ENUM = MPI_INT;
347   MPIU_FORTRANADDR = (sizeof(void*) == sizeof(int)) ? MPI_INT : MPIU_INT64;
348   if (sizeof(size_t) == sizeof(unsigned)) MPIU_SIZE_T = MPI_UNSIGNED;
349   else if (sizeof(size_t) == sizeof(unsigned long)) MPIU_SIZE_T = MPI_UNSIGNED_LONG;
350 #if defined(PETSC_SIZEOF_LONG_LONG)
351   else if (sizeof(size_t) == sizeof(unsigned long long)) MPIU_SIZE_T = MPI_UNSIGNED_LONG_LONG;
352 #endif
353   else {(*PetscErrorPrintf)("PetscInitialize: Could not find MPI type for size_t\n"); return;}
354 
355 #if defined(PETSC_HAVE_COMPLEX)
356   /*
357      Initialized the global variable; this is because with
358      shared libraries the constructors for global variables
359      are not called; at least on IRIX.
360   */
361   {
362 #if defined(PETSC_CLANGUAGE_CXX) && !defined(PETSC_USE_REAL___FLOAT128)
363     PetscComplex ic(0.0,1.0);
364     PETSC_i = ic;
365 #else
366     PETSC_i = _Complex_I;
367 #endif
368   }
369 
370 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)
371   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU_C_DOUBLE_COMPLEX);
372   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
373   *ierr = MPI_Type_commit(&MPIU_C_DOUBLE_COMPLEX);
374   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
375   *ierr = MPI_Type_contiguous(2,MPI_FLOAT,&MPIU_C_COMPLEX);
376   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
377   *ierr = MPI_Type_commit(&MPIU_C_COMPLEX);
378   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
379   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
380   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
381 #endif
382 
383 #endif
384 
385 #if defined(PETSC_USE_REAL___FLOAT128)
386   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU___FLOAT128);
387   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
388   *ierr = MPI_Type_commit(&MPIU___FLOAT128);
389   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
390 #if defined(PETSC_HAVE_COMPLEX)
391   *ierr = MPI_Type_contiguous(4,MPI_DOUBLE,&MPIU___COMPLEX128);
392   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
393   *ierr = MPI_Type_commit(&MPIU___COMPLEX128);
394   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
395 #endif
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 #elif defined(PETSC_USE_REAL___FP16)
403   *ierr = MPI_Type_contiguous(2,MPI_CHAR,&MPIU___FP16);
404   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
405   *ierr = MPI_Type_commit(&MPIU___FP16);
406   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
407   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
408   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
409   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
410   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
411   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
412   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
413 #endif
414 
415   /*
416        Create the PETSc MPI reduction operator that sums of the first
417      half of the entries and maxes the second half.
418   */
419   *ierr = MPI_Op_create(MPIU_MaxSum_Local,1,&MPIU_MAXSUM_OP);
420   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
421 
422   *ierr = MPI_Type_contiguous(2,MPIU_SCALAR,&MPIU_2SCALAR);
423   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
424   *ierr = MPI_Type_commit(&MPIU_2SCALAR);
425   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
426 #if defined(PETSC_USE_64BIT_INDICES)
427   *ierr = MPI_Type_contiguous(2,MPIU_INT,&MPIU_2INT);
428   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
429   *ierr = MPI_Type_commit(&MPIU_2INT);
430   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
431 #endif
432   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_Counter_Attr_Delete_Fn,&Petsc_Counter_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_InnerComm_Attr_Delete_Fn,&Petsc_InnerComm_keyval,(void*)0);
435   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
436   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_OuterComm_Attr_Delete_Fn,&Petsc_OuterComm_keyval,(void*)0);
437   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
438   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_ShmComm_Attr_Delete_Fn,&Petsc_ShmComm_keyval,(void*)0);
439   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
440 
441   /*
442      PetscInitializeFortran() is called twice. Here it initializes
443      PETSC_NULL_CHARACTER_Fortran. Below it initializes the PETSC_VIEWERs.
444      The PETSC_VIEWERs have not been created yet, so they must be initialized
445      below.
446   */
447   PetscInitializeFortran();
448   if (readarguments == PETSC_TRUE) {
449     PETScParseFortranArgs_Private(&PetscGlobalArgc,&PetscGlobalArgs);
450     FIXCHAR(filename,len,t1);
451     *ierr = PetscOptionsInsert(NULL,&PetscGlobalArgc,&PetscGlobalArgs,t1);
452     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating options database\n");return;}
453     FREECHAR(filename,t1);
454     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Freeing string in creating options database\n");return;}
455   }
456   *ierr = PetscOptionsCheckInitial_Private();
457   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
458   /* call a second time to check options database */
459   *ierr = PetscErrorPrintfInitialize();
460   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
461   *ierr = PetscCitationsInitialize();
462   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscCitationsInitialize()\n");return;}
463 #if defined(PETSC_HAVE_SAWS)
464   *ierr = PetscInitializeSAWs(NULL);
465   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing SAWs\n");return;}
466 #endif
467 #if defined(PETSC_USE_LOG)
468   *ierr = PetscLogInitialize();
469   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: initializing logging\n");return;}
470 #endif
471   *ierr = PetscInitialize_DynamicLibraries();
472   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing dynamic libraries\n");return;}
473 
474   *ierr = PetscInitializeFortran();
475   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Setting up common block\n");return;}
476 
477   *ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);
478   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting MPI_Comm_size()\n");return;}
479   *ierr = PetscInfo1(0,"(Fortran):PETSc successfully started: procs %d\n",size);
480   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
481   *ierr = PetscGetHostName(hostname,64);
482   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting hostname\n");return;}
483   *ierr = PetscInfo1(0,"Running on machine: %s\n",hostname);
484   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
485 
486 #if defined(PETSC_USE_DEBUG) && !defined(PETSC_HAVE_THREADSAFETY)
487   *ierr = PetscStackCreate();
488   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscStackCreate()\n");return;}
489 #endif
490 
491 #if defined(PETSC_SERIALIZE_FUNCTIONS)
492   *ierr = PetscFPTCreate(10000);
493   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscFPTCreate()\n");return;}
494 #endif
495 #if defined(PETSC_HAVE_ADIOS)
496   *ierr = adios_init_noxml(PETSC_COMM_WORLD);
497   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_init_noxml()\n");return;}
498   *ierr = adios_declare_group(&Petsc_adios_group,"PETSc","",adios_stat_default);
499   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_declare_group()\n");return;}
500   *ierr = adios_select_method(Petsc_adios_group,"MPI","","");
501   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_select_method()\n");return;}
502   *ierr = adios_read_init_method(ADIOS_READ_METHOD_BP,PETSC_COMM_WORLD,"");
503   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_read_init_method()\n");return;}
504 #endif
505 }
506 
507 PETSC_EXTERN void petscinitialize_(char* filename,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
508 {
509   petscinitialize_internal(filename, len, PETSC_TRUE, ierr);
510 }
511 
512 PETSC_EXTERN void petscinitializenoarguments_(PetscErrorCode *ierr)
513 {
514   petscinitialize_internal(NULL, (PetscInt) 0, PETSC_FALSE, ierr);
515 }
516 
517 
518 PETSC_EXTERN void petscfinalize_(PetscErrorCode *ierr)
519 {
520 #if defined(PETSC_HAVE_SUNMATHPRO)
521   extern void standard_arithmetic();
522   standard_arithmetic();
523 #endif
524   /* was malloced with PetscMallocAlign() so free the same way */
525   *ierr = PetscFreeAlign(PetscGlobalArgs,0,0,0);if (*ierr) {(*PetscErrorPrintf)("PetscFinalize:Freeing args\n");return;}
526 
527   *ierr = PetscFinalize();
528 }
529 
530 PETSC_EXTERN void petscend_(PetscErrorCode *ierr)
531 {
532 #if defined(PETSC_HAVE_SUNMATHPRO)
533   extern void standard_arithmetic();
534   standard_arithmetic();
535 #endif
536 
537   *ierr = PetscEnd();
538 }
539 
540