xref: /petsc/src/sys/objects/ftn-custom/zstart.c (revision dfd57a172ac9fa6c7b5fe6de6ab5df85cefc2996)
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 petscinitializef_             PETSCINITIALIZEF
18 #define petscfinalize_                PETSCFINALIZE
19 #define petscend_                     PETSCEND
20 #define iargc_                        IARGC
21 #define getarg_                       GETARG
22 #define mpi_init_                     MPI_INIT
23 #define petscgetcomm_                 PETSCGETCOMM
24 #define petsccommandargumentcount_    PETSCCOMMANDARGUMENTCOUNT
25 #define petscgetcommandargument_      PETSCGETCOMMANDARGUMENT
26 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
27 #define petscinitializef_             petscinitializef
28 #define petscfinalize_                petscfinalize
29 #define petscend_                     petscend
30 #define mpi_init_                     mpi_init
31 #define iargc_                        iargc
32 #define getarg_                       getarg
33 #define petscgetcomm_                 petscgetcomm
34 #define petsccommandargumentcount_    petsccommandargumentcount
35 #define petscgetcommandargument_      petscgetcommandargument
36 #endif
37 
38 #if defined(PETSC_HAVE_NAGF90)
39 #undef iargc_
40 #undef getarg_
41 #define iargc_  f90_unix_MP_iargc
42 #define getarg_ f90_unix_MP_getarg
43 #endif
44 #if defined(PETSC_USE_NARGS) /* Digital Fortran */
45 #undef iargc_
46 #undef getarg_
47 #define iargc_  NARGS
48 #define getarg_ GETARG
49 #elif defined(PETSC_HAVE_PXFGETARG_NEW)  /* cray x1 */
50 #undef iargc_
51 #undef getarg_
52 #define iargc_  ipxfargc_
53 #define getarg_ pxfgetarg_
54 #endif
55 #if defined(PETSC_HAVE_FORTRAN_IARGC_UNDERSCORE) /* HPUX + no underscore */
56 #undef iargc_
57 #undef getarg_
58 #define iargc_   iargc_
59 #define getarg_  getarg_
60 #endif
61 
62 #if defined(PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* Fortran 2003 */
63 #undef iargc_
64 #undef getarg_
65 #define iargc_ petsccommandargumentcount_
66 #define getarg_ petscgetcommandargument_
67 #elif defined(PETSC_HAVE__GFORTRAN_IARGC) /* gfortran from gcc4 */
68 #undef iargc_
69 #undef getarg_
70 #define iargc_  _gfortran_iargc
71 #define getarg_ _gfortran_getarg_i4
72 #elif defined(PETSC_HAVE_BGL_IARGC) /* bgl g77 has different external & internal name mangling */
73 #undef iargc_
74 #undef getarg_
75 #define iargc  iargc_
76 #define getarg getarg_
77 #endif
78 
79 /*
80     The extra _ is because the f2c compiler puts an
81   extra _ at the end if the original routine name
82   contained any _.
83 */
84 #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE)
85 #define mpi_init_             mpi_init__
86 #endif
87 
88 #if defined(PETSC_HAVE_MPIUNI)
89 #if defined(mpi_init_)
90 #undef mpi_init_
91 #if defined(PETSC_HAVE_FORTRAN_CAPS)
92 #define mpi_init_             PETSC_MPI_INIT
93 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
94 #define mpi_init_             petsc_mpi_init
95 #elif defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE)
96 #define mpi_init_             petsc_mpi_init__
97 #endif
98 #else    /* mpi_init_ */
99 #define mpi_init_             petsc_mpi_init_
100 #endif   /* mpi_init_ */
101 #endif   /* PETSC_HAVE_MPIUNI */
102 
103 PETSC_EXTERN void mpi_init_(int*);
104 PETSC_EXTERN void petscgetcomm_(PetscMPIInt*);
105 
106 /*
107      Different Fortran compilers handle command lines in different ways
108 */
109 #if defined(PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* Fortran 2003  - same as 'else' case */
110 PETSC_EXTERN int iargc_(void);
111 PETSC_EXTERN void getarg_(int*,char*,int);
112 #elif defined(PETSC_USE_NARGS)
113 PETSC_EXTERN short __stdcall NARGS();
114 PETSC_EXTERN void __stdcall GETARG(short*,char*,int,short *);
115 
116 #elif defined(PETSC_HAVE_PXFGETARG_NEW)
117 PETSC_EXTERN int iargc_();
118 PETSC_EXTERN void getarg_(int*,char*,int*,int*,int);
119 
120 #else
121 PETSC_EXTERN int iargc_();
122 PETSC_EXTERN void getarg_(int*,char*,int);
123 /*
124       The Cray T3D/T3E use the PXFGETARG() function
125 */
126 #if defined(PETSC_HAVE_PXFGETARG)
127 PETSC_EXTERN void PXFGETARG(int*,_fcd,int*,int*);
128 #endif
129 #endif
130 
131 #if defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16)
132 PETSC_EXTERN void MPIAPI PetscSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
133 PETSC_EXTERN void MPIAPI PetscMax_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
134 PETSC_EXTERN void MPIAPI PetscMin_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
135 #endif
136 
137 PETSC_INTERN void MPIAPI MPIU_MaxSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
138 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_Counter_Attr_Delete_Fn(MPI_Comm,PetscMPIInt,void*,void*);
139 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_InnerComm_Attr_Delete_Fn(MPI_Comm,PetscMPIInt,void*,void*);
140 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_OuterComm_Attr_Delete_Fn(MPI_Comm,PetscMPIInt,void*,void*);
141 
142 PETSC_INTERN PetscErrorCode PetscOptionsCheckInitial_Private(const char[]);
143 PETSC_INTERN PetscErrorCode PetscInitialize_DynamicLibraries(void);
144 #if defined(PETSC_USE_LOG)
145 PETSC_INTERN PetscErrorCode PetscLogInitialize(void);
146 #endif
147 PETSC_EXTERN PetscErrorCode PetscMallocAlign(size_t,PetscBool,int,const char[],const char[],void**);
148 PETSC_EXTERN PetscErrorCode PetscFreeAlign(void*,int,const char[],const char[]);
149 PETSC_INTERN int  PetscGlobalArgc;
150 PETSC_INTERN char **PetscGlobalArgs;
151 
152 /*
153     Reads in Fortran command line argments and sends them to
154   all processors.
155 */
156 
157 PetscErrorCode PETScParseFortranArgs_Private(int *argc,char ***argv)
158 {
159 #if defined(PETSC_USE_NARGS)
160   short          i,flg;
161 #else
162   int            i;
163 #endif
164   PetscErrorCode ierr;
165   int            warg = 256;
166   PetscMPIInt    rank;
167   char           *p;
168 
169   ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRMPI(ierr);
170   if (!rank) {
171 #if defined(PETSC_HAVE_IARG_COUNT_PROGNAME)
172     *argc = iargc_();
173 #else
174     /* most compilers do not count the program name for argv[0] */
175     *argc = 1 + iargc_();
176 #endif
177   }
178   ierr = MPI_Bcast(argc,1,MPI_INT,0,PETSC_COMM_WORLD);CHKERRMPI(ierr);
179 
180   /* PetscTrMalloc() not yet set, so don't use PetscMalloc() */
181   ierr = PetscMallocAlign((*argc+1)*(warg*sizeof(char)+sizeof(char*)),PETSC_FALSE,0,0,0,(void**)argv);CHKERRQ(ierr);
182   (*argv)[0] = (char*)(*argv + *argc + 1);
183 
184   if (!rank) {
185     ierr = PetscMemzero((*argv)[0],(*argc)*warg*sizeof(char));CHKERRQ(ierr);
186     for (i=0; i<*argc; i++) {
187       (*argv)[i+1] = (*argv)[i] + warg;
188 #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
189       getarg_(&i,(*argv)[i],warg);
190 #elif defined(PETSC_HAVE_PXFGETARG_NEW)
191       {char *tmp = (*argv)[i];
192       int ilen;
193       getarg_(&i,tmp,&ilen,&ierr,warg);CHKERRQ(ierr);
194       tmp[ilen] = 0;}
195 #elif defined(PETSC_USE_NARGS)
196       GETARG(&i,(*argv)[i],warg,&flg);
197 #else
198       /*
199       Because the stupid #defines above define all kinds of things to getarg_ we cannot do this test
200       #elif defined(PETSC_HAVE_GETARG)
201       getarg_(&i,(*argv)[i],warg);
202       #else
203          SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cannot get Fortran command line arguments");
204       */
205       getarg_(&i,(*argv)[i],warg);
206 #endif
207       /* zero out garbage at end of each argument */
208       p = (*argv)[i] + warg-1;
209       while (p > (*argv)[i]) {
210         if (*p == ' ') *p = 0;
211         p--;
212       }
213     }
214   }
215   ierr = MPI_Bcast((*argv)[0],*argc*warg,MPI_CHAR,0,PETSC_COMM_WORLD);CHKERRMPI(ierr);
216   if (rank) {
217     for (i=0; i<*argc; i++) (*argv)[i+1] = (*argv)[i] + warg;
218   }
219   return 0;
220 }
221 
222 #if defined(PETSC_SERIALIZE_FUNCTIONS)
223 PETSC_INTERN PetscFPT PetscFPTData;
224 #endif
225 
226 #if defined(PETSC_HAVE_ADIOS)
227 #include <adios.h>
228 #include <adios_read.h>
229 #endif
230 /* -----------------------------------------------------------------------------------------------*/
231 
232 #if defined(PETSC_HAVE_SAWS)
233 #include <petscviewersaws.h>
234 PETSC_INTERN PetscErrorCode  PetscInitializeSAWs(const char[]);
235 #endif
236 
237 PETSC_EXTERN PetscMPIInt MPIAPI Petsc_ShmComm_Attr_Delete_Fn(MPI_Comm,PetscMPIInt,void *,void *);
238 PETSC_INTERN PetscErrorCode PetscPreMPIInit_Private();
239 
240 /*
241     petscinitialize - Version called from Fortran.
242 
243     Notes:
244       Since this is called from Fortran it does not return error codes
245 
246 */
247 PETSC_EXTERN void petscinitializef_(char* filename,char* help,PetscBool *readarguments,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len,PETSC_FORTRAN_CHARLEN_T helplen)
248 {
249   int            j,i;
250 #if defined (PETSC_USE_NARGS)
251   short          flg;
252 #endif
253   int            flag;
254   PetscMPIInt    size;
255   char           *t1,name[256],hostname[64];
256   PetscMPIInt    f_petsc_comm_world;
257   PetscBool      checkstack = PETSC_FALSE;
258 
259   *ierr = PetscMemzero(name,sizeof(name)); if (*ierr) return;
260   if (PetscInitializeCalled) {*ierr = 0; return;}
261 
262   /* this must be initialized in a routine, not as a constant declaration*/
263   PETSC_STDOUT = stdout;
264   PETSC_STDERR = stderr;
265 
266   /* on Windows - set printf to default to printing 2 digit exponents */
267 #if defined(PETSC_HAVE__SET_OUTPUT_FORMAT)
268   _set_output_format(_TWO_DIGIT_EXPONENT);
269 #endif
270 
271   *ierr = PetscOptionsCreateDefault();
272   if (*ierr) return;
273   i = 0;
274 #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
275   getarg_(&i,name,sizeof(name));
276 #elif defined (PETSC_HAVE_PXFGETARG_NEW)
277   { int ilen,sierr;
278     getarg_(&i,name,&ilen,&sierr,256);
279     if (sierr) PetscStrncpy(name,"Unknown Name",256);
280     else name[ilen] = 0;
281   }
282 #elif defined(PETSC_USE_NARGS)
283   GETARG(&i,name,256,&flg);
284 #else
285   getarg_(&i,name,256);
286 #endif
287   /* Eliminate spaces at the end of the string */
288   for (j=sizeof(name)-2; j>=0; j--) {
289     if (name[j] != ' ') {
290       name[j+1] = 0;
291       break;
292     }
293   }
294   if (j<0) PetscStrncpy(name,"Unknown Name",256);
295   *ierr = PetscSetProgramName(name);
296   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscSetProgramName()\n");return;}
297 
298   /* check if PETSC_COMM_WORLD is initialized by the user in fortran */
299   petscgetcomm_(&f_petsc_comm_world);
300   MPI_Initialized(&flag);
301   if (!flag) {
302     PetscMPIInt mierr;
303 
304     if (f_petsc_comm_world) {(*PetscErrorPrintf)("You cannot set PETSC_COMM_WORLD if you have not initialized MPI first\n");return;}
305 
306     *ierr = PetscPreMPIInit_Private(); if (*ierr) return;
307     mpi_init_(&mierr);
308     if (mierr) {
309       *ierr = mierr;
310       (*PetscErrorPrintf)("PetscInitialize: Calling Fortran MPI_Init()\n");
311       return;
312     }
313     PetscBeganMPI = PETSC_TRUE;
314   }
315   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 */
316   else PETSC_COMM_WORLD = MPI_COMM_WORLD;
317   *ierr = MPI_Comm_set_errhandler(PETSC_COMM_WORLD,MPI_ERRORS_RETURN);
318   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting MPI error handler\n");return;}
319   PetscInitializeCalled = PETSC_TRUE;
320 
321   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockOpen);
322   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
323   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStdout);
324   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
325   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStderr);
326   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
327   *ierr = PetscSpinlockCreate(&PetscCommSpinLock);
328   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
329 
330   *ierr = PetscErrorPrintfInitialize();
331   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
332   *ierr = MPI_Comm_rank(MPI_COMM_WORLD,&PetscGlobalRank);
333   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalRank\n");return;}
334   *ierr = MPI_Comm_size(MPI_COMM_WORLD,&PetscGlobalSize);
335   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalSize\n");return;}
336 
337   MPIU_BOOL = MPI_INT;
338   MPIU_ENUM = MPI_INT;
339   MPIU_FORTRANADDR = (sizeof(void*) == sizeof(int)) ? MPI_INT : MPIU_INT64;
340   if (sizeof(size_t) == sizeof(unsigned)) MPIU_SIZE_T = MPI_UNSIGNED;
341   else if (sizeof(size_t) == sizeof(unsigned long)) MPIU_SIZE_T = MPI_UNSIGNED_LONG;
342 #if defined(PETSC_SIZEOF_LONG_LONG)
343   else if (sizeof(size_t) == sizeof(unsigned long long)) MPIU_SIZE_T = MPI_UNSIGNED_LONG_LONG;
344 #endif
345   else {(*PetscErrorPrintf)("PetscInitialize: Could not find MPI type for size_t\n"); return;}
346 
347 #if defined(PETSC_HAVE_COMPLEX)
348   /*
349      Initialized the global variable; this is because with
350      shared libraries the constructors for global variables
351      are not called; at least on IRIX.
352   */
353   {
354 #if defined(PETSC_CLANGUAGE_CXX)
355     PetscComplex ic(0.0,1.0);
356     PETSC_i = ic;
357 #else
358     PETSC_i = _Complex_I;
359 #endif
360   }
361 #endif
362 
363 #if defined(PETSC_USE_REAL___FLOAT128)
364   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU___FLOAT128);
365   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
366   *ierr = MPI_Type_commit(&MPIU___FLOAT128);
367   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
368 #if defined(PETSC_HAVE_COMPLEX)
369   *ierr = MPI_Type_contiguous(4,MPI_DOUBLE,&MPIU___COMPLEX128);
370   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
371   *ierr = MPI_Type_commit(&MPIU___COMPLEX128);
372   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
373 #endif
374   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
375   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
376   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
377   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
378   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
379   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
380 #elif defined(PETSC_USE_REAL___FP16)
381   *ierr = MPI_Type_contiguous(2,MPI_CHAR,&MPIU___FP16);
382   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
383   *ierr = MPI_Type_commit(&MPIU___FP16);
384   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
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 #endif
392 
393   /*
394        Create the PETSc MPI reduction operator that sums of the first
395      half of the entries and maxes the second half.
396   */
397   *ierr = MPI_Op_create(MPIU_MaxSum_Local,1,&MPIU_MAXSUM_OP);
398   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
399 
400   *ierr = MPI_Type_contiguous(2,MPIU_SCALAR,&MPIU_2SCALAR);
401   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
402   *ierr = MPI_Type_commit(&MPIU_2SCALAR);
403   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
404 
405   /* create datatypes used by MPIU_MAXLOC, MPIU_MINLOC and PetscSplitReduction_Op */
406 #if !defined(PETSC_HAVE_MPIUNI)
407   {
408     struct PetscRealInt { PetscReal v; PetscInt i; };
409     PetscMPIInt  blockSizes[2] = {1,1};
410     MPI_Aint     blockOffsets[2] = {offsetof(struct PetscRealInt,v),offsetof(struct PetscRealInt,i)};
411     MPI_Datatype blockTypes[2] = {MPIU_REAL,MPIU_INT}, tmpStruct;
412 
413     *ierr = MPI_Type_create_struct(2,blockSizes,blockOffsets,blockTypes,&tmpStruct);
414     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI struct\n");return;}
415     *ierr = MPI_Type_create_resized(tmpStruct,0,sizeof(struct PetscRealInt),&MPIU_REAL_INT);
416     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI resized\n");return;}
417     *ierr = MPI_Type_free(&tmpStruct);
418     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Freeing MPI types\n");return;}
419     *ierr = MPI_Type_commit(&MPIU_REAL_INT);
420     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
421   }
422   {
423     struct PetscScalarInt { PetscScalar v; PetscInt i; };
424     PetscMPIInt  blockSizes[2] = {1,1};
425     MPI_Aint     blockOffsets[2] = {offsetof(struct PetscScalarInt,v),offsetof(struct PetscScalarInt,i)};
426     MPI_Datatype blockTypes[2] = {MPIU_SCALAR,MPIU_INT}, tmpStruct;
427 
428     *ierr = MPI_Type_create_struct(2,blockSizes,blockOffsets,blockTypes,&tmpStruct);
429     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI struct\n");return;}
430     *ierr = MPI_Type_create_resized(tmpStruct,0,sizeof(struct PetscScalarInt),&MPIU_SCALAR_INT);
431     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI resized\n");return;}
432     *ierr = MPI_Type_free(&tmpStruct);
433     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Freeing MPI types\n");return;}
434     *ierr = MPI_Type_commit(&MPIU_SCALAR_INT);
435     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
436   }
437 #endif
438 
439 #if defined(PETSC_USE_64BIT_INDICES)
440   *ierr = MPI_Type_contiguous(2,MPIU_INT,&MPIU_2INT);
441   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
442   *ierr = MPI_Type_commit(&MPIU_2INT);
443   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
444 #endif
445   *ierr = MPI_Type_contiguous(4,MPI_INT,&MPI_4INT);
446   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
447   *ierr = MPI_Type_commit(&MPI_4INT);
448   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
449   *ierr = MPI_Type_contiguous(4,MPIU_INT,&MPIU_4INT);
450   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
451   *ierr = MPI_Type_commit(&MPIU_4INT);
452   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
453   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_Counter_Attr_Delete_Fn,&Petsc_Counter_keyval,(void*)0);
454   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
455   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_InnerComm_Attr_Delete_Fn,&Petsc_InnerComm_keyval,(void*)0);
456   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
457   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_OuterComm_Attr_Delete_Fn,&Petsc_OuterComm_keyval,(void*)0);
458   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
459   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_ShmComm_Attr_Delete_Fn,&Petsc_ShmComm_keyval,(void*)0);
460   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
461 
462   /*
463      PetscInitializeFortran() is called twice. Here it initializes
464      PETSC_NULL_CHARACTER_Fortran. Below it initializes the PETSC_VIEWERs.
465      The PETSC_VIEWERs have not been created yet, so they must be initialized
466      below.
467   */
468   PetscInitializeFortran();
469   if (*readarguments) {
470     PETScParseFortranArgs_Private(&PetscGlobalArgc,&PetscGlobalArgs);
471     FIXCHAR(filename,len,t1);
472     *ierr = PetscOptionsInsert(NULL,&PetscGlobalArgc,&PetscGlobalArgs,t1);
473     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating options database\n");return;}
474     FREECHAR(filename,t1);
475     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Freeing string in creating options database\n");return;}
476   }
477   *ierr = PetscOptionsCheckInitial_Private(help);
478   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
479   /* call a second time to check options database */
480   *ierr = PetscErrorPrintfInitialize();
481   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
482   *ierr = PetscCitationsInitialize();
483   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscCitationsInitialize()\n");return;}
484 #if defined(PETSC_HAVE_SAWS)
485   *ierr = PetscInitializeSAWs(NULL);
486   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing SAWs\n");return;}
487 #endif
488 #if defined(PETSC_USE_LOG)
489   *ierr = PetscLogInitialize();
490   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: initializing logging\n");return;}
491 #endif
492   *ierr = PetscInitialize_DynamicLibraries();
493   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing dynamic libraries\n");return;}
494 
495   *ierr = PetscInitializeFortran();
496   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Setting up common block\n");return;}
497 
498   *ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);
499   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting MPI_Comm_size()\n");return;}
500   *ierr = PetscInfo1(0,"(Fortran):PETSc successfully started: procs %d\n",size);
501   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
502   *ierr = PetscGetHostName(hostname,64);
503   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting hostname\n");return;}
504   *ierr = PetscInfo1(0,"Running on machine: %s\n",hostname);
505   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
506 
507   *ierr = PetscOptionsGetBool(NULL,NULL,"-checkstack",&checkstack,NULL);
508   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscOptionsGetBool()\n");return;}
509 #if defined(PETSC_USE_DEBUG) && !defined(PETSC_HAVE_THREADSAFETY)
510   *ierr = PetscStackCreate(checkstack);
511   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscStackCreate()\n");return;}
512 #endif
513 
514 #if defined(PETSC_SERIALIZE_FUNCTIONS)
515   *ierr = PetscFPTCreate(10000);
516   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscFPTCreate()\n");return;}
517 #endif
518 #if defined(PETSC_HAVE_ADIOS)
519   *ierr = adios_init_noxml(PETSC_COMM_WORLD);
520   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_init_noxml()\n");return;}
521   *ierr = adios_declare_group(&Petsc_adios_group,"PETSc","",adios_stat_default);
522   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_declare_group()\n");return;}
523   *ierr = adios_select_method(Petsc_adios_group,"MPI","","");
524   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_select_method()\n");return;}
525   *ierr = adios_read_init_method(ADIOS_READ_METHOD_BP,PETSC_COMM_WORLD,"");
526   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_read_init_method()\n");return;}
527 #endif
528 }
529 
530 PETSC_EXTERN void petscfinalize_(PetscErrorCode *ierr)
531 {
532 #if defined(PETSC_HAVE_SUNMATHPRO)
533   extern void standard_arithmetic();
534   standard_arithmetic();
535 #endif
536   /* was malloced with PetscMallocAlign() so free the same way */
537   *ierr = PetscFreeAlign(PetscGlobalArgs,0,0,0);if (*ierr) {(*PetscErrorPrintf)("PetscFinalize:Freeing args\n");return;}
538 
539   *ierr = PetscFinalize();
540 }
541 
542 PETSC_EXTERN void petscend_(PetscErrorCode *ierr)
543 {
544 #if defined(PETSC_HAVE_SUNMATHPRO)
545   extern void standard_arithmetic();
546   standard_arithmetic();
547 #endif
548 
549   *ierr = PetscEnd();
550 }
551