xref: /petsc/src/sys/objects/ftn-custom/zstart.c (revision f0fc11cebb1bb284829732915f9e84cabc170c2f)
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 PetscOptionsCheckInitial_Components(void);
153 PETSC_INTERN PetscErrorCode PetscInitialize_DynamicLibraries(void);
154 #if defined(PETSC_USE_LOG)
155 PETSC_INTERN PetscErrorCode PetscLogInitialize(void);
156 #endif
157 PETSC_EXTERN PetscErrorCode PetscMallocAlign(size_t,PetscBool,int,const char[],const char[],void**);
158 PETSC_EXTERN PetscErrorCode PetscFreeAlign(void*,int,const char[],const char[]);
159 PETSC_INTERN int  PetscGlobalArgc;
160 PETSC_INTERN char **PetscGlobalArgs;
161 
162 /*
163     Reads in Fortran command line argments and sends them to
164   all processors.
165 */
166 
167 PetscErrorCode PETScParseFortranArgs_Private(int *argc,char ***argv)
168 {
169 #if defined(PETSC_USE_NARGS)
170   short          i,flg;
171 #else
172   int            i;
173 #endif
174   PetscErrorCode ierr;
175   int            warg = 256;
176   PetscMPIInt    rank;
177   char           *p;
178 
179   ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
180   if (!rank) {
181 #if defined(PETSC_HAVE_IARG_COUNT_PROGNAME)
182     *argc = iargc_();
183 #else
184     /* most compilers do not count the program name for argv[0] */
185     *argc = 1 + iargc_();
186 #endif
187   }
188   ierr = MPI_Bcast(argc,1,MPI_INT,0,PETSC_COMM_WORLD);CHKERRQ(ierr);
189 
190   /* PetscTrMalloc() not yet set, so don't use PetscMalloc() */
191   ierr = PetscMallocAlign((*argc+1)*(warg*sizeof(char)+sizeof(char*)),PETSC_FALSE,0,0,0,(void**)argv);CHKERRQ(ierr);
192   (*argv)[0] = (char*)(*argv + *argc + 1);
193 
194   if (!rank) {
195     ierr = PetscMemzero((*argv)[0],(*argc)*warg*sizeof(char));CHKERRQ(ierr);
196     for (i=0; i<*argc; i++) {
197       (*argv)[i+1] = (*argv)[i] + warg;
198 #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
199       getarg_(&i,(*argv)[i],warg);
200 #elif defined(PETSC_HAVE_PXFGETARG_NEW)
201       {char *tmp = (*argv)[i];
202       int ilen;
203       getarg_(&i,tmp,&ilen,&ierr,warg);CHKERRQ(ierr);
204       tmp[ilen] = 0;}
205 #elif defined(PETSC_USE_NARGS)
206       GETARG(&i,(*argv)[i],warg,&flg);
207 #else
208       /*
209       Because the stupid #defines above define all kinds of things to getarg_ we cannot do this test
210       #elif defined(PETSC_HAVE_GETARG)
211       getarg_(&i,(*argv)[i],warg);
212       #else
213          SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cannot get Fortran command line arguments");
214       */
215       getarg_(&i,(*argv)[i],warg);
216 #endif
217       /* zero out garbage at end of each argument */
218       p = (*argv)[i] + warg-1;
219       while (p > (*argv)[i]) {
220         if (*p == ' ') *p = 0;
221         p--;
222       }
223     }
224   }
225   ierr = MPI_Bcast((*argv)[0],*argc*warg,MPI_CHAR,0,PETSC_COMM_WORLD);CHKERRQ(ierr);
226   if (rank) {
227     for (i=0; i<*argc; i++) (*argv)[i+1] = (*argv)[i] + warg;
228   }
229   return 0;
230 }
231 
232 #if defined(PETSC_SERIALIZE_FUNCTIONS)
233 PETSC_INTERN PetscFPT PetscFPTData;
234 #endif
235 
236 #if defined(PETSC_HAVE_ADIOS)
237 #include <adios.h>
238 #include <adios_read.h>
239 #endif
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_ShmComm_Attr_Delete_Fn(MPI_Comm,PetscMPIInt,void *,void *);
248 PETSC_INTERN PetscErrorCode PetscPreMPIInit_Private();
249 
250 /*
251     petscinitialize - Version called from Fortran.
252 
253     Notes:
254       Since this is called from Fortran it does not return error codes
255 
256 */
257 static void petscinitialize_internal(char* filename, PetscInt len, PetscBool readarguments, PetscErrorCode *ierr)
258 {
259   int            j,i;
260 #if defined (PETSC_USE_NARGS)
261   short          flg;
262 #endif
263   int            flag;
264   PetscMPIInt    size;
265   char           *t1,name[256],hostname[64];
266   PetscMPIInt    f_petsc_comm_world;
267 
268   *ierr = PetscMemzero(name,sizeof(name)); if (*ierr) return;
269   if (PetscInitializeCalled) {*ierr = 0; return;}
270 
271   /* this must be initialized in a routine, not as a constant declaration*/
272   PETSC_STDOUT = stdout;
273   PETSC_STDERR = stderr;
274 
275   /* on Windows - set printf to default to printing 2 digit exponents */
276 #if defined(PETSC_HAVE__SET_OUTPUT_FORMAT)
277   _set_output_format(_TWO_DIGIT_EXPONENT);
278 #endif
279 
280   *ierr = PetscOptionsCreateDefault();
281   if (*ierr) return;
282   i = 0;
283 #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
284   getarg_(&i,name,sizeof(name));
285 #elif defined (PETSC_HAVE_PXFGETARG_NEW)
286   { int ilen,sierr;
287     getarg_(&i,name,&ilen,&sierr,256);
288     if (sierr) PetscStrncpy(name,"Unknown Name",256);
289     else name[ilen] = 0;
290   }
291 #elif defined(PETSC_USE_NARGS)
292   GETARG(&i,name,256,&flg);
293 #else
294   getarg_(&i,name,256);
295 #endif
296   /* Eliminate spaces at the end of the string */
297   for (j=sizeof(name)-2; j>=0; j--) {
298     if (name[j] != ' ') {
299       name[j+1] = 0;
300       break;
301     }
302   }
303   if (j<0) PetscStrncpy(name,"Unknown Name",256);
304   *ierr = PetscSetProgramName(name);
305   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscSetProgramName()\n");return;}
306 
307   /* check if PETSC_COMM_WORLD is initialized by the user in fortran */
308   petscgetcomm_(&f_petsc_comm_world);
309   MPI_Initialized(&flag);
310   if (!flag) {
311     PetscMPIInt mierr;
312 
313     if (f_petsc_comm_world) {(*PetscErrorPrintf)("You cannot set PETSC_COMM_WORLD if you have not initialized MPI first\n");return;}
314 
315     *ierr = PetscPreMPIInit_Private(); if(*ierr) return;
316     mpi_init_(&mierr);
317     if (mierr) {
318       *ierr = mierr;
319       (*PetscErrorPrintf)("PetscInitialize: Calling Fortran MPI_Init()\n");
320       return;
321     }
322     PetscBeganMPI = PETSC_TRUE;
323   }
324   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 */
325   else PETSC_COMM_WORLD = MPI_COMM_WORLD;
326   *ierr = MPI_Comm_set_errhandler(PETSC_COMM_WORLD,MPI_ERRORS_RETURN);
327   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting MPI error handler\n");return;}
328   PetscInitializeCalled = PETSC_TRUE;
329 
330   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockOpen);
331   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
332   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStdout);
333   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
334   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStderr);
335   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
336   *ierr = PetscSpinlockCreate(&PetscCommSpinLock);
337   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
338 
339   *ierr = PetscErrorPrintfInitialize();
340   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
341   *ierr = MPI_Comm_rank(MPI_COMM_WORLD,&PetscGlobalRank);
342   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalRank\n");return;}
343   *ierr = MPI_Comm_size(MPI_COMM_WORLD,&PetscGlobalSize);
344   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalSize\n");return;}
345 
346   MPIU_BOOL = MPI_INT;
347   MPIU_ENUM = MPI_INT;
348   MPIU_FORTRANADDR = (sizeof(void*) == sizeof(int)) ? MPI_INT : MPIU_INT64;
349   if (sizeof(size_t) == sizeof(unsigned)) MPIU_SIZE_T = MPI_UNSIGNED;
350   else if (sizeof(size_t) == sizeof(unsigned long)) MPIU_SIZE_T = MPI_UNSIGNED_LONG;
351 #if defined(PETSC_SIZEOF_LONG_LONG)
352   else if (sizeof(size_t) == sizeof(unsigned long long)) MPIU_SIZE_T = MPI_UNSIGNED_LONG_LONG;
353 #endif
354   else {(*PetscErrorPrintf)("PetscInitialize: Could not find MPI type for size_t\n"); return;}
355 
356 #if defined(PETSC_HAVE_COMPLEX)
357   /*
358      Initialized the global variable; this is because with
359      shared libraries the constructors for global variables
360      are not called; at least on IRIX.
361   */
362   {
363 #if defined(PETSC_CLANGUAGE_CXX) && !defined(PETSC_USE_REAL___FLOAT128)
364     PetscComplex ic(0.0,1.0);
365     PETSC_i = ic;
366 #else
367     PETSC_i = _Complex_I;
368 #endif
369   }
370 
371 #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)
372   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU_C_DOUBLE_COMPLEX);
373   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
374   *ierr = MPI_Type_commit(&MPIU_C_DOUBLE_COMPLEX);
375   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
376   *ierr = MPI_Type_contiguous(2,MPI_FLOAT,&MPIU_C_COMPLEX);
377   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
378   *ierr = MPI_Type_commit(&MPIU_C_COMPLEX);
379   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
380   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
381   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
382 #endif
383 
384 #endif
385 
386 #if defined(PETSC_USE_REAL___FLOAT128)
387   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU___FLOAT128);
388   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
389   *ierr = MPI_Type_commit(&MPIU___FLOAT128);
390   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
391 #if defined(PETSC_HAVE_COMPLEX)
392   *ierr = MPI_Type_contiguous(4,MPI_DOUBLE,&MPIU___COMPLEX128);
393   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
394   *ierr = MPI_Type_commit(&MPIU___COMPLEX128);
395   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
396 #endif
397   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
398   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
399   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
400   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
401   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
402   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
403 #elif defined(PETSC_USE_REAL___FP16)
404   *ierr = MPI_Type_contiguous(2,MPI_CHAR,&MPIU___FP16);
405   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
406   *ierr = MPI_Type_commit(&MPIU___FP16);
407   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
408   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
409   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
410   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
411   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
412   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
413   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
414 #endif
415 
416   /*
417        Create the PETSc MPI reduction operator that sums of the first
418      half of the entries and maxes the second half.
419   */
420   *ierr = MPI_Op_create(MPIU_MaxSum_Local,1,&MPIU_MAXSUM_OP);
421   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
422 
423   *ierr = MPI_Type_contiguous(2,MPIU_SCALAR,&MPIU_2SCALAR);
424   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
425   *ierr = MPI_Type_commit(&MPIU_2SCALAR);
426   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
427 #if defined(PETSC_USE_64BIT_INDICES)
428   *ierr = MPI_Type_contiguous(2,MPIU_INT,&MPIU_2INT);
429   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
430   *ierr = MPI_Type_commit(&MPIU_2INT);
431   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
432 #endif
433   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_Counter_Attr_Delete_Fn,&Petsc_Counter_keyval,(void*)0);
434   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
435   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_InnerComm_Attr_Delete_Fn,&Petsc_InnerComm_keyval,(void*)0);
436   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
437   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_OuterComm_Attr_Delete_Fn,&Petsc_OuterComm_keyval,(void*)0);
438   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
439   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_ShmComm_Attr_Delete_Fn,&Petsc_ShmComm_keyval,(void*)0);
440   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
441 
442   /*
443      PetscInitializeFortran() is called twice. Here it initializes
444      PETSC_NULL_CHARACTER_Fortran. Below it initializes the PETSC_VIEWERs.
445      The PETSC_VIEWERs have not been created yet, so they must be initialized
446      below.
447   */
448   PetscInitializeFortran();
449   if(readarguments == PETSC_TRUE) {
450     PETScParseFortranArgs_Private(&PetscGlobalArgc,&PetscGlobalArgs);
451     FIXCHAR(filename,len,t1);
452     *ierr = PetscOptionsInsert(NULL,&PetscGlobalArgc,&PetscGlobalArgs,t1);
453     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating options database\n");return;}
454     FREECHAR(filename,t1);
455     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Freeing string in creating options database\n");return;}
456   }
457   *ierr = PetscOptionsCheckInitial_Private();
458   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
459   /* call a second time to check options database */
460   *ierr = PetscErrorPrintfInitialize();
461   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
462   *ierr = PetscCitationsInitialize();
463   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscCitationsInitialize()\n");return;}
464 #if defined(PETSC_HAVE_SAWS)
465   *ierr = PetscInitializeSAWs(NULL);
466   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing SAWs\n");return;}
467 #endif
468 #if defined(PETSC_USE_LOG)
469   *ierr = PetscLogInitialize();
470   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: intializing logging\n");return;}
471 #endif
472   *ierr = PetscInitialize_DynamicLibraries();
473   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing dynamic libraries\n");return;}
474 
475   *ierr = PetscInitializeFortran();
476   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Setting up common block\n");return;}
477 
478   *ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);
479   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting MPI_Comm_size()\n");return;}
480   *ierr = PetscInfo1(0,"(Fortran):PETSc successfully started: procs %d\n",size);
481   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
482   *ierr = PetscGetHostName(hostname,64);
483   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting hostname\n");return;}
484   *ierr = PetscInfo1(0,"Running on machine: %s\n",hostname);
485   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
486   *ierr = PetscOptionsCheckInitial_Components();
487   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
488 
489 #if defined(PETSC_USE_DEBUG) && !defined(PETSC_HAVE_THREADSAFETY)
490   *ierr = PetscStackCreate();
491   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscStackCreate()\n");return;}
492 #endif
493 
494 #if defined(PETSC_SERIALIZE_FUNCTIONS)
495   *ierr = PetscFPTCreate(10000);
496   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscFPTCreate()\n");return;}
497 #endif
498 #if defined(PETSC_HAVE_ADIOS)
499   *ierr = adios_init_noxml(PETSC_COMM_WORLD);
500   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_init_noxml()\n");return;}
501   *ierr = adios_declare_group(&Petsc_adios_group,"PETSc","",adios_stat_default);
502   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_declare_group()\n");return;}
503   *ierr = adios_select_method(Petsc_adios_group,"MPI","","");
504   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_select_method()\n");return;}
505   *ierr = adios_read_init_method(ADIOS_READ_METHOD_BP,PETSC_COMM_WORLD,"");
506   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_read_init_method()\n");return;}
507 #endif
508 }
509 
510 PETSC_EXTERN void petscinitialize_(char* filename,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
511 {
512   petscinitialize_internal(filename, len, PETSC_TRUE, ierr);
513 }
514 
515 PETSC_EXTERN void petscinitializenoarguments_(PetscErrorCode *ierr)
516 {
517   petscinitialize_internal(NULL, (PetscInt) 0, PETSC_FALSE, ierr);
518 }
519 
520 
521 PETSC_EXTERN void petscfinalize_(PetscErrorCode *ierr)
522 {
523 #if defined(PETSC_HAVE_SUNMATHPRO)
524   extern void standard_arithmetic();
525   standard_arithmetic();
526 #endif
527   /* was malloced with PetscMallocAlign() so free the same way */
528   *ierr = PetscFreeAlign(PetscGlobalArgs,0,0,0);if (*ierr) {(*PetscErrorPrintf)("PetscFinalize:Freeing args\n");return;}
529 
530   *ierr = PetscFinalize();
531 }
532 
533 PETSC_EXTERN void petscend_(PetscErrorCode *ierr)
534 {
535 #if defined(PETSC_HAVE_SUNMATHPRO)
536   extern void standard_arithmetic();
537   standard_arithmetic();
538 #endif
539 
540   *ierr = PetscEnd();
541 }
542 
543