xref: /petsc/src/sys/objects/ftn-custom/zstart.c (revision 19caf8f3c08b1f0ca9f5469bde385c134aa76c82)
1ba9a049bSBarry Smith /*
2ba9a049bSBarry Smith   This file contains Fortran stubs for PetscInitialize and Finalize.
3ba9a049bSBarry Smith */
4ba9a049bSBarry Smith 
5ba9a049bSBarry Smith /*
6ba9a049bSBarry Smith     This is to prevent the Cray T3D version of MPI (University of Edinburgh)
7ba9a049bSBarry Smith   from stupidly redefining MPI_INIT(). They put this in to detect errors
8ba9a049bSBarry Smith   in C code,but here I do want to be calling the Fortran version from a
9ba9a049bSBarry Smith   C subroutine.
10ba9a049bSBarry Smith */
11ba9a049bSBarry Smith #define T3DMPI_FORTRAN
12ba9a049bSBarry Smith #define T3EMPI_FORTRAN
13ba9a049bSBarry Smith 
14af0996ceSBarry Smith #include <petsc/private/fortranimpl.h>
15ba9a049bSBarry Smith 
16519f805aSKarl Rupp #if defined(PETSC_HAVE_FORTRAN_CAPS)
17ba9a049bSBarry Smith #define petscinitialize_              PETSCINITIALIZE
18fb2dfec1SJacht Volker #define petscinitializenoarguments_   PETSCINITIALIZENOARGUMENTS
19ba9a049bSBarry Smith #define petscfinalize_                PETSCFINALIZE
20ba9a049bSBarry Smith #define petscend_                     PETSCEND
21ba9a049bSBarry Smith #define iargc_                        IARGC
22ba9a049bSBarry Smith #define getarg_                       GETARG
23ba9a049bSBarry Smith #define mpi_init_                     MPI_INIT
245ea309f3SBarry Smith #define petscgetcomm_                 PETSCGETCOMM
25541b5888SSatish Balay #define petsccommandargumentcount_    PETSCCOMMANDARGUMENTCOUNT
26541b5888SSatish Balay #define petscgetcommandargument_      PETSCGETCOMMANDARGUMENT
27ba9a049bSBarry Smith #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
28ba9a049bSBarry Smith #define petscinitialize_              petscinitialize
291bdb895aSBarry Smith #define petscinitializenoarguments_   petscinitializenoarguments
30ba9a049bSBarry Smith #define petscfinalize_                petscfinalize
31ba9a049bSBarry Smith #define petscend_                     petscend
32ba9a049bSBarry Smith #define mpi_init_                     mpi_init
33ba9a049bSBarry Smith #define iargc_                        iargc
34ba9a049bSBarry Smith #define getarg_                       getarg
355ea309f3SBarry Smith #define petscgetcomm_                 petscgetcomm
36541b5888SSatish Balay #define petsccommandargumentcount_    petsccommandargumentcount
37541b5888SSatish Balay #define petscgetcommandargument_      petscgetcommandargument
38ba9a049bSBarry Smith #endif
39ba9a049bSBarry Smith 
40ba9a049bSBarry Smith #if defined(PETSC_HAVE_NAGF90)
41ba9a049bSBarry Smith #undef iargc_
42ba9a049bSBarry Smith #undef getarg_
43ba9a049bSBarry Smith #define iargc_  f90_unix_MP_iargc
44ba9a049bSBarry Smith #define getarg_ f90_unix_MP_getarg
45ba9a049bSBarry Smith #endif
46ba9a049bSBarry Smith #if defined(PETSC_USE_NARGS) /* Digital Fortran */
47ba9a049bSBarry Smith #undef iargc_
48ba9a049bSBarry Smith #undef getarg_
49ba9a049bSBarry Smith #define iargc_  NARGS
50ba9a049bSBarry Smith #define getarg_ GETARG
51ba9a049bSBarry Smith #elif defined(PETSC_HAVE_PXFGETARG_NEW)  /* cray x1 */
52ba9a049bSBarry Smith #undef iargc_
53ba9a049bSBarry Smith #undef getarg_
54ba9a049bSBarry Smith #define iargc_  ipxfargc_
55ba9a049bSBarry Smith #define getarg_ pxfgetarg_
56ba9a049bSBarry Smith #endif
57ba9a049bSBarry Smith #if defined(PETSC_HAVE_FORTRAN_IARGC_UNDERSCORE) /* HPUX + no underscore */
58ba9a049bSBarry Smith #undef iargc_
59ba9a049bSBarry Smith #undef getarg_
60ba9a049bSBarry Smith #define iargc_   iargc_
61ba9a049bSBarry Smith #define getarg_  getarg_
62ba9a049bSBarry Smith #endif
63541b5888SSatish Balay 
64541b5888SSatish Balay #if defined(PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* Fortran 2003 */
65541b5888SSatish Balay #undef iargc_
66541b5888SSatish Balay #undef getarg_
67541b5888SSatish Balay #define iargc_ petsccommandargumentcount_
68541b5888SSatish Balay #define getarg_ petscgetcommandargument_
694211eb48SBarry Smith #elif defined(PETSC_HAVE__GFORTRAN_IARGC) /* gfortran from gcc4 */
70ba9a049bSBarry Smith #undef iargc_
71ba9a049bSBarry Smith #undef getarg_
72ba9a049bSBarry Smith #define iargc_  _gfortran_iargc
73ba9a049bSBarry Smith #define getarg_ _gfortran_getarg_i4
74ba9a049bSBarry Smith #elif defined(PETSC_HAVE_BGL_IARGC) /* bgl g77 has different external & internal name mangling */
75ba9a049bSBarry Smith #undef iargc_
76ba9a049bSBarry Smith #undef getarg_
77ba9a049bSBarry Smith #define iargc  iargc_
78ba9a049bSBarry Smith #define getarg getarg_
79ba9a049bSBarry Smith #endif
80ba9a049bSBarry Smith 
81ba9a049bSBarry Smith /*
82ba9a049bSBarry Smith     The extra _ is because the f2c compiler puts an
83ba9a049bSBarry Smith   extra _ at the end if the original routine name
84ba9a049bSBarry Smith   contained any _.
85ba9a049bSBarry Smith */
86ba9a049bSBarry Smith #if defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE)
87ba9a049bSBarry Smith #define mpi_init_             mpi_init__
88ba9a049bSBarry Smith #endif
89ba9a049bSBarry Smith 
90a7b85bbcSSatish Balay #if defined(PETSC_HAVE_MPIUNI)
91a7b85bbcSSatish Balay #if defined(mpi_init_)
92a7b85bbcSSatish Balay #undef mpi_init_
93a7b85bbcSSatish Balay #if defined(PETSC_HAVE_FORTRAN_CAPS)
94a7b85bbcSSatish Balay #define mpi_init_             PETSC_MPI_INIT
95a7b85bbcSSatish Balay #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
96a7b85bbcSSatish Balay #define mpi_init_             petsc_mpi_init
97a7b85bbcSSatish Balay #elif defined(PETSC_HAVE_FORTRAN_UNDERSCORE_UNDERSCORE)
98a7b85bbcSSatish Balay #define mpi_init_             petsc_mpi_init__
99a7b85bbcSSatish Balay #endif
100a7b85bbcSSatish Balay #else    /* mpi_init_ */
101a7b85bbcSSatish Balay #define mpi_init_             petsc_mpi_init_
102a7b85bbcSSatish Balay #endif   /* mpi_init_ */
103a7b85bbcSSatish Balay #endif   /* PETSC_HAVE_MPIUNI */
104a7b85bbcSSatish Balay 
105*19caf8f3SSatish Balay PETSC_EXTERN void mpi_init_(int*);
106*19caf8f3SSatish Balay PETSC_EXTERN void petscgetcomm_(PetscMPIInt*);
107ba9a049bSBarry Smith 
108ba9a049bSBarry Smith /*
109ba9a049bSBarry Smith      Different Fortran compilers handle command lines in different ways
110ba9a049bSBarry Smith */
111541b5888SSatish Balay #if defined(PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* Fortran 2003  - same as 'else' case */
112a30ec4eaSSatish Balay PETSC_EXTERN int iargc_(void);
113541b5888SSatish Balay PETSC_EXTERN void getarg_(int*,char*,int);
114541b5888SSatish Balay #elif defined(PETSC_USE_NARGS)
1158cc058d9SJed Brown PETSC_EXTERN short __stdcall NARGS();
1168cc058d9SJed Brown PETSC_EXTERN void __stdcall GETARG(short*,char*,int,short *);
117ba9a049bSBarry Smith 
118ba9a049bSBarry Smith #elif defined(PETSC_HAVE_PXFGETARG_NEW)
1198cc058d9SJed Brown PETSC_EXTERN int iargc_();
1208cc058d9SJed Brown PETSC_EXTERN void getarg_(int*,char*,int*,int*,int);
121ba9a049bSBarry Smith 
122ba9a049bSBarry Smith #else
1238cc058d9SJed Brown PETSC_EXTERN int iargc_();
1248cc058d9SJed Brown PETSC_EXTERN void getarg_(int*,char*,int);
125ba9a049bSBarry Smith /*
126ba9a049bSBarry Smith       The Cray T3D/T3E use the PXFGETARG() function
127ba9a049bSBarry Smith */
128ba9a049bSBarry Smith #if defined(PETSC_HAVE_PXFGETARG)
1298cc058d9SJed Brown PETSC_EXTERN void PXFGETARG(int*,_fcd,int*,int*);
130ba9a049bSBarry Smith #endif
131ba9a049bSBarry Smith #endif
132ba9a049bSBarry Smith 
133570b7f6dSBarry Smith #if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16)
13495c0884eSLisandro Dalcin PETSC_EXTERN MPI_Op MPIU_SUM;
13599e0435eSBarry Smith 
1368cc058d9SJed Brown PETSC_EXTERN void MPIAPI PetscSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
13799e0435eSBarry Smith 
138ba9a049bSBarry Smith #endif
139570b7f6dSBarry Smith #if defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16)
14099e0435eSBarry Smith 
1418cc058d9SJed Brown PETSC_EXTERN void MPIAPI PetscSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
1428cc058d9SJed Brown PETSC_EXTERN void MPIAPI PetscMax_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
1438cc058d9SJed Brown PETSC_EXTERN void MPIAPI PetscMin_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
144ba9a049bSBarry Smith #endif
145ba9a049bSBarry Smith 
146367daffbSBarry Smith PETSC_INTERN void MPIAPI MPIU_MaxSum_Local(void*,void*,PetscMPIInt*,MPI_Datatype*);
1478cc058d9SJed Brown PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelCounter(MPI_Comm,PetscMPIInt,void*,void*);
148da3039f7SJed Brown PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelComm_Inner(MPI_Comm,PetscMPIInt,void*,void*);
149da3039f7SJed Brown PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelComm_Outer(MPI_Comm,PetscMPIInt,void*,void*);
150ba9a049bSBarry Smith 
15195c0884eSLisandro Dalcin PETSC_INTERN PetscErrorCode PetscOptionsCheckInitial_Private(void);
15295c0884eSLisandro Dalcin PETSC_INTERN PetscErrorCode PetscOptionsCheckInitial_Components(void);
15395c0884eSLisandro Dalcin PETSC_INTERN PetscErrorCode PetscInitialize_DynamicLibraries(void);
154ba9a049bSBarry Smith #if defined(PETSC_USE_LOG)
15595c0884eSLisandro Dalcin PETSC_INTERN PetscErrorCode PetscLogInitialize(void);
156ba9a049bSBarry Smith #endif
157071fcb05SBarry Smith PETSC_EXTERN PetscErrorCode PetscMallocAlign(size_t,PetscBool,int,const char[],const char[],void**);
15895c0884eSLisandro Dalcin PETSC_EXTERN PetscErrorCode PetscFreeAlign(void*,int,const char[],const char[]);
15995c0884eSLisandro Dalcin PETSC_INTERN int  PetscGlobalArgc;
16095c0884eSLisandro Dalcin PETSC_INTERN char **PetscGlobalArgs;
161ba9a049bSBarry Smith 
162ba9a049bSBarry Smith /*
163ba9a049bSBarry Smith     Reads in Fortran command line argments and sends them to
164d5be86a5SBarry Smith   all processors.
165ba9a049bSBarry Smith */
166ba9a049bSBarry Smith 
167ba9a049bSBarry Smith PetscErrorCode PETScParseFortranArgs_Private(int *argc,char ***argv)
168ba9a049bSBarry Smith {
169ba9a049bSBarry Smith #if defined(PETSC_USE_NARGS)
170ba9a049bSBarry Smith   short          i,flg;
171ba9a049bSBarry Smith #else
172ba9a049bSBarry Smith   int            i;
173ba9a049bSBarry Smith #endif
174ba9a049bSBarry Smith   PetscErrorCode ierr;
175ba9a049bSBarry Smith   int            warg = 256;
176ba9a049bSBarry Smith   PetscMPIInt    rank;
177ba9a049bSBarry Smith   char           *p;
178ba9a049bSBarry Smith 
179ba9a049bSBarry Smith   ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
180ba9a049bSBarry Smith   if (!rank) {
181ba9a049bSBarry Smith #if defined(PETSC_HAVE_IARG_COUNT_PROGNAME)
182ba9a049bSBarry Smith     *argc = iargc_();
183ba9a049bSBarry Smith #else
184ba9a049bSBarry Smith     /* most compilers do not count the program name for argv[0] */
185ba9a049bSBarry Smith     *argc = 1 + iargc_();
186ba9a049bSBarry Smith #endif
187ba9a049bSBarry Smith   }
188ba9a049bSBarry Smith   ierr = MPI_Bcast(argc,1,MPI_INT,0,PETSC_COMM_WORLD);CHKERRQ(ierr);
189ba9a049bSBarry Smith 
190ba9a049bSBarry Smith   /* PetscTrMalloc() not yet set, so don't use PetscMalloc() */
191071fcb05SBarry Smith   ierr = PetscMallocAlign((*argc+1)*(warg*sizeof(char)+sizeof(char*)),PETSC_FALSE,0,0,0,(void**)argv);CHKERRQ(ierr);
192ba9a049bSBarry Smith   (*argv)[0] = (char*)(*argv + *argc + 1);
193ba9a049bSBarry Smith 
194ba9a049bSBarry Smith   if (!rank) {
195ba9a049bSBarry Smith     ierr = PetscMemzero((*argv)[0],(*argc)*warg*sizeof(char));CHKERRQ(ierr);
196ba9a049bSBarry Smith     for (i=0; i<*argc; i++) {
197ba9a049bSBarry Smith       (*argv)[i+1] = (*argv)[i] + warg;
198541b5888SSatish Balay #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
199541b5888SSatish Balay       getarg_(&i,(*argv)[i],warg);
200541b5888SSatish Balay #elif defined(PETSC_HAVE_PXFGETARG_NEW)
201ba9a049bSBarry Smith       {char *tmp = (*argv)[i];
202ba9a049bSBarry Smith       int ilen;
203ba9a049bSBarry Smith       getarg_(&i,tmp,&ilen,&ierr,warg);CHKERRQ(ierr);
204a297a907SKarl Rupp       tmp[ilen] = 0;}
205ba9a049bSBarry Smith #elif defined(PETSC_USE_NARGS)
206ba9a049bSBarry Smith       GETARG(&i,(*argv)[i],warg,&flg);
207ba9a049bSBarry Smith #else
208ba9a049bSBarry Smith       /*
209ba9a049bSBarry Smith       Because the stupid #defines above define all kinds of things to getarg_ we cannot do this test
210ba9a049bSBarry Smith       #elif defined(PETSC_HAVE_GETARG)
211ba9a049bSBarry Smith       getarg_(&i,(*argv)[i],warg);
212ba9a049bSBarry Smith       #else
213ba9a049bSBarry Smith          SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Cannot get Fortran command line arguments");
214ba9a049bSBarry Smith       */
215ba9a049bSBarry Smith       getarg_(&i,(*argv)[i],warg);
216ba9a049bSBarry Smith #endif
217ba9a049bSBarry Smith       /* zero out garbage at end of each argument */
218ba9a049bSBarry Smith       p = (*argv)[i] + warg-1;
219ba9a049bSBarry Smith       while (p > (*argv)[i]) {
220ba9a049bSBarry Smith         if (*p == ' ') *p = 0;
221ba9a049bSBarry Smith         p--;
222ba9a049bSBarry Smith       }
223ba9a049bSBarry Smith     }
224ba9a049bSBarry Smith   }
225ba9a049bSBarry Smith   ierr = MPI_Bcast((*argv)[0],*argc*warg,MPI_CHAR,0,PETSC_COMM_WORLD);CHKERRQ(ierr);
226ba9a049bSBarry Smith   if (rank) {
227a297a907SKarl Rupp     for (i=0; i<*argc; i++) (*argv)[i+1] = (*argv)[i] + warg;
228ba9a049bSBarry Smith   }
229ba9a049bSBarry Smith   return 0;
230ba9a049bSBarry Smith }
231ba9a049bSBarry Smith 
232b2bbaf76SBarry Smith #if defined(PETSC_SERIALIZE_FUNCTIONS)
23395c0884eSLisandro Dalcin PETSC_INTERN PetscFPT PetscFPTData;
234ef19f930SBarry Smith #endif
235ef19f930SBarry Smith 
2367b56e58cSSatish Balay #if defined(PETSC_HAVE_ADIOS)
2377b56e58cSSatish Balay #include <adios.h>
2387b56e58cSSatish Balay #include <adios_read.h>
2397b56e58cSSatish Balay #endif
240ba9a049bSBarry Smith /* -----------------------------------------------------------------------------------------------*/
241ba9a049bSBarry Smith 
24211525c0dSBarry Smith #if defined(PETSC_HAVE_SAWS)
24311525c0dSBarry Smith #include <petscviewersaws.h>
24495c0884eSLisandro Dalcin PETSC_INTERN PetscErrorCode  PetscInitializeSAWs(const char[]);
24511525c0dSBarry Smith #endif
246ba9a049bSBarry Smith 
2475f7487a0SJunchao Zhang PETSC_EXTERN PetscMPIInt MPIAPI Petsc_DelComm_Shm(MPI_Comm,PetscMPIInt,void *,void *);
2484dfee713SSatish Balay PETSC_INTERN PetscErrorCode PetscPreMPIInit_Private();
2497f20dbc5SBarry Smith 
250ba9a049bSBarry Smith /*
251ba9a049bSBarry Smith     petscinitialize - Version called from Fortran.
252ba9a049bSBarry Smith 
253ba9a049bSBarry Smith     Notes:
254ba9a049bSBarry Smith       Since this is called from Fortran it does not return error codes
255ba9a049bSBarry Smith 
256ba9a049bSBarry Smith */
257390e1bf2SBarry Smith static void petscinitialize_internal(char* filename, PetscInt len, PetscBool readarguments, PetscErrorCode *ierr)
258ba9a049bSBarry Smith {
2594b60c348SBarry Smith   int            j,i;
260ba9a049bSBarry Smith #if defined (PETSC_USE_NARGS)
2614b60c348SBarry Smith   short          flg;
262ba9a049bSBarry Smith #endif
263ba9a049bSBarry Smith   int            flag;
264ba9a049bSBarry Smith   PetscMPIInt    size;
265ba9a049bSBarry Smith   char           *t1,name[256],hostname[64];
266ba9a049bSBarry Smith   PetscMPIInt    f_petsc_comm_world;
267ba9a049bSBarry Smith 
2684b60c348SBarry Smith   *ierr = PetscMemzero(name,sizeof(name)); if (*ierr) return;
269ba9a049bSBarry Smith   if (PetscInitializeCalled) {*ierr = 0; return;}
270ba9a049bSBarry Smith 
271ba9a049bSBarry Smith   /* this must be initialized in a routine, not as a constant declaration*/
272ba9a049bSBarry Smith   PETSC_STDOUT = stdout;
273ba9a049bSBarry Smith   PETSC_STDERR = stderr;
274ba9a049bSBarry Smith 
2750c30907bSSatish Balay   /* on Windows - set printf to default to printing 2 digit exponents */
2760c30907bSSatish Balay #if defined(PETSC_HAVE__SET_OUTPUT_FORMAT)
2770c30907bSSatish Balay   _set_output_format(_TWO_DIGIT_EXPONENT);
2780c30907bSSatish Balay #endif
2790c30907bSSatish Balay 
2804416b707SBarry Smith   *ierr = PetscOptionsCreateDefault();
281ba9a049bSBarry Smith   if (*ierr) return;
282ba9a049bSBarry Smith   i = 0;
283541b5888SSatish Balay #if defined (PETSC_HAVE_FORTRAN_GET_COMMAND_ARGUMENT) /* same as 'else' case */
2844b60c348SBarry Smith   getarg_(&i,name,sizeof(name));
285541b5888SSatish Balay #elif defined (PETSC_HAVE_PXFGETARG_NEW)
286ba9a049bSBarry Smith   { int ilen,sierr;
287ba9a049bSBarry Smith     getarg_(&i,name,&ilen,&sierr,256);
288a297a907SKarl Rupp     if (sierr) PetscStrncpy(name,"Unknown Name",256);
289a297a907SKarl Rupp     else name[ilen] = 0;
290ba9a049bSBarry Smith   }
291ba9a049bSBarry Smith #elif defined(PETSC_USE_NARGS)
292ba9a049bSBarry Smith   GETARG(&i,name,256,&flg);
293ba9a049bSBarry Smith #else
294ba9a049bSBarry Smith   getarg_(&i,name,256);
2954b60c348SBarry Smith #endif
296ba9a049bSBarry Smith   /* Eliminate spaces at the end of the string */
2979350f85dSSatish Balay   for (j=sizeof(name)-2; j>=0; j--) {
298ba9a049bSBarry Smith     if (name[j] != ' ') {
299ba9a049bSBarry Smith       name[j+1] = 0;
300ba9a049bSBarry Smith       break;
301ba9a049bSBarry Smith     }
302ba9a049bSBarry Smith   }
303a297a907SKarl Rupp   if (j<0) PetscStrncpy(name,"Unknown Name",256);
304ba9a049bSBarry Smith   *ierr = PetscSetProgramName(name);
305ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscSetProgramName()\n");return;}
306ba9a049bSBarry Smith 
307ba9a049bSBarry Smith   /* check if PETSC_COMM_WORLD is initialized by the user in fortran */
3085ea309f3SBarry Smith   petscgetcomm_(&f_petsc_comm_world);
309ba9a049bSBarry Smith   MPI_Initialized(&flag);
310ba9a049bSBarry Smith   if (!flag) {
311ba9a049bSBarry Smith     PetscMPIInt mierr;
312ba9a049bSBarry Smith 
313ba9a049bSBarry Smith     if (f_petsc_comm_world) {(*PetscErrorPrintf)("You cannot set PETSC_COMM_WORLD if you have not initialized MPI first\n");return;}
3144dfee713SSatish Balay 
3154dfee713SSatish Balay     *ierr = PetscPreMPIInit_Private(); if(*ierr) return;
316ba9a049bSBarry Smith     mpi_init_(&mierr);
317ba9a049bSBarry Smith     if (mierr) {
318ba9a049bSBarry Smith       *ierr = mierr;
319ba9a049bSBarry Smith       (*PetscErrorPrintf)("PetscInitialize: Calling Fortran MPI_Init()\n");
320ba9a049bSBarry Smith       return;
321ba9a049bSBarry Smith     }
322ba9a049bSBarry Smith     PetscBeganMPI = PETSC_TRUE;
323ba9a049bSBarry Smith   }
324a297a907SKarl Rupp   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 */
325a297a907SKarl Rupp   else PETSC_COMM_WORLD = MPI_COMM_WORLD;
326605e6dd8SMark   *ierr = MPI_Comm_set_errhandler(PETSC_COMM_WORLD,MPI_ERRORS_RETURN);
327605e6dd8SMark   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting MPI error handler\n");return;}
328ba9a049bSBarry Smith   PetscInitializeCalled = PETSC_TRUE;
329ba9a049bSBarry Smith 
3305ad9ad5bSBarry Smith   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockOpen);
3315ad9ad5bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
3325ad9ad5bSBarry Smith   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStdout);
3335ad9ad5bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
3345ad9ad5bSBarry Smith   *ierr = PetscSpinlockCreate(&PetscViewerASCIISpinLockStderr);
335ef19f930SBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
336ef19f930SBarry Smith   *ierr = PetscSpinlockCreate(&PetscCommSpinLock);
337ef19f930SBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Creating global spin lock\n");return;}
338ef19f930SBarry Smith 
339ba9a049bSBarry Smith   *ierr = PetscErrorPrintfInitialize();
340ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
341ba9a049bSBarry Smith   *ierr = MPI_Comm_rank(MPI_COMM_WORLD,&PetscGlobalRank);
342ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalRank\n");return;}
343ba9a049bSBarry Smith   *ierr = MPI_Comm_size(MPI_COMM_WORLD,&PetscGlobalSize);
344ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Setting PetscGlobalSize\n");return;}
3458ad47952SJed Brown 
3468ad47952SJed Brown   MPIU_BOOL = MPI_INT;
3478ad47952SJed Brown   MPIU_ENUM = MPI_INT;
3487cdaf61dSJed Brown   MPIU_FORTRANADDR = (sizeof(void*) == sizeof(int)) ? MPI_INT : MPIU_INT64;
349e316c87fSJed Brown   if (sizeof(size_t) == sizeof(unsigned)) MPIU_SIZE_T = MPI_UNSIGNED;
350e316c87fSJed Brown   else if (sizeof(size_t) == sizeof(unsigned long)) MPIU_SIZE_T = MPI_UNSIGNED_LONG;
351e316c87fSJed Brown #if defined(PETSC_SIZEOF_LONG_LONG)
352e316c87fSJed Brown   else if (sizeof(size_t) == sizeof(unsigned long long)) MPIU_SIZE_T = MPI_UNSIGNED_LONG_LONG;
353e316c87fSJed Brown #endif
354e316c87fSJed Brown   else {(*PetscErrorPrintf)("PetscInitialize: Could not find MPI type for size_t\n"); return;}
3558ad47952SJed Brown 
356e383bbd0SJed Brown #if defined(PETSC_HAVE_COMPLEX)
357ba9a049bSBarry Smith   /*
358ba9a049bSBarry Smith      Initialized the global variable; this is because with
359ba9a049bSBarry Smith      shared libraries the constructors for global variables
360ba9a049bSBarry Smith      are not called; at least on IRIX.
361ba9a049bSBarry Smith   */
362ba9a049bSBarry Smith   {
363252ecd31SSatish Balay #if defined(PETSC_CLANGUAGE_CXX) && !defined(PETSC_USE_REAL___FLOAT128)
364e383bbd0SJed Brown     PetscComplex ic(0.0,1.0);
365ba9a049bSBarry Smith     PETSC_i = ic;
366ba9a049bSBarry Smith #else
367e383bbd0SJed Brown     PETSC_i = _Complex_I;
368ba9a049bSBarry Smith #endif
369ba9a049bSBarry Smith   }
370ba9a049bSBarry Smith 
371ba9a049bSBarry Smith #if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)
372e383bbd0SJed Brown   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU_C_DOUBLE_COMPLEX);
373ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
374ba9a049bSBarry Smith   *ierr = MPI_Type_commit(&MPIU_C_DOUBLE_COMPLEX);
375ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
376ba9a049bSBarry Smith   *ierr = MPI_Type_contiguous(2,MPI_FLOAT,&MPIU_C_COMPLEX);
377ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
378ba9a049bSBarry Smith   *ierr = MPI_Type_commit(&MPIU_C_COMPLEX);
379ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
380ba9a049bSBarry Smith   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
381ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
382ba9a049bSBarry Smith #endif
383ba9a049bSBarry Smith 
384ba9a049bSBarry Smith #endif
385ba9a049bSBarry Smith 
386ba9a049bSBarry Smith #if defined(PETSC_USE_REAL___FLOAT128)
387ba9a049bSBarry Smith   *ierr = MPI_Type_contiguous(2,MPI_DOUBLE,&MPIU___FLOAT128);
388ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
389ba9a049bSBarry Smith   *ierr = MPI_Type_commit(&MPIU___FLOAT128);
390ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
391e383bbd0SJed Brown #if defined(PETSC_HAVE_COMPLEX)
392e383bbd0SJed Brown   *ierr = MPI_Type_contiguous(4,MPI_DOUBLE,&MPIU___COMPLEX128);
393ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
394ba9a049bSBarry Smith   *ierr = MPI_Type_commit(&MPIU___COMPLEX128);
395ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
396ba9a049bSBarry Smith #endif
397ba9a049bSBarry Smith   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
398ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
399ba9a049bSBarry Smith   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
400ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
401ba9a049bSBarry Smith   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
402ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
403570b7f6dSBarry Smith #elif defined(PETSC_USE_REAL___FP16)
404570b7f6dSBarry Smith   *ierr = MPI_Type_contiguous(2,MPI_CHAR,&MPIU___FP16);
405570b7f6dSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
406570b7f6dSBarry Smith   *ierr = MPI_Type_commit(&MPIU___FP16);
407570b7f6dSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
408570b7f6dSBarry Smith   *ierr = MPI_Op_create(PetscSum_Local,1,&MPIU_SUM);
409570b7f6dSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
410570b7f6dSBarry Smith   *ierr = MPI_Op_create(PetscMax_Local,1,&MPIU_MAX);
411570b7f6dSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
412570b7f6dSBarry Smith   *ierr = MPI_Op_create(PetscMin_Local,1,&MPIU_MIN);
413570b7f6dSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
414570b7f6dSBarry Smith #endif
415ba9a049bSBarry Smith 
416ba9a049bSBarry Smith   /*
417ba9a049bSBarry Smith        Create the PETSc MPI reduction operator that sums of the first
418ba9a049bSBarry Smith      half of the entries and maxes the second half.
419ba9a049bSBarry Smith   */
420367daffbSBarry Smith   *ierr = MPI_Op_create(MPIU_MaxSum_Local,1,&MPIU_MAXSUM_OP);
421ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI ops\n");return;}
422ba9a049bSBarry Smith 
423ba9a049bSBarry Smith   *ierr = MPI_Type_contiguous(2,MPIU_SCALAR,&MPIU_2SCALAR);
424ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
425ba9a049bSBarry Smith   *ierr = MPI_Type_commit(&MPIU_2SCALAR);
426ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
42740df0d72SSatish Balay #if defined(PETSC_USE_64BIT_INDICES)
428ba9a049bSBarry Smith   *ierr = MPI_Type_contiguous(2,MPIU_INT,&MPIU_2INT);
429ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
430ba9a049bSBarry Smith   *ierr = MPI_Type_commit(&MPIU_2INT);
431ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI types\n");return;}
43244041f26SJed Brown #endif
43312801b39SBarry Smith   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelCounter,&Petsc_Counter_keyval,(void*)0);
434ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
43512801b39SBarry Smith   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelComm_Outer,&Petsc_InnerComm_keyval,(void*)0);
436ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
43712801b39SBarry Smith   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelComm_Inner,&Petsc_OuterComm_keyval,(void*)0);
438ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
4395f7487a0SJunchao Zhang   *ierr = MPI_Comm_create_keyval(MPI_COMM_NULL_COPY_FN,Petsc_DelComm_Shm,&Petsc_ShmComm_keyval,(void*)0);
4407f20dbc5SBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating MPI keyvals\n");return;}
441ba9a049bSBarry Smith 
442ba9a049bSBarry Smith   /*
443ba9a049bSBarry Smith      PetscInitializeFortran() is called twice. Here it initializes
444ba9a049bSBarry Smith      PETSC_NULL_CHARACTER_Fortran. Below it initializes the PETSC_VIEWERs.
445ba9a049bSBarry Smith      The PETSC_VIEWERs have not been created yet, so they must be initialized
446ba9a049bSBarry Smith      below.
447ba9a049bSBarry Smith   */
448ba9a049bSBarry Smith   PetscInitializeFortran();
449fb2dfec1SJacht Volker   if(readarguments == PETSC_TRUE) {
450ba9a049bSBarry Smith     PETScParseFortranArgs_Private(&PetscGlobalArgc,&PetscGlobalArgs);
451ba9a049bSBarry Smith     FIXCHAR(filename,len,t1);
452c5929fdfSBarry Smith     *ierr = PetscOptionsInsert(NULL,&PetscGlobalArgc,&PetscGlobalArgs,t1);
453ba9a049bSBarry Smith     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Creating options database\n");return;}
454d49bb8f9SBarry Smith     FREECHAR(filename,t1);
455d49bb8f9SBarry Smith     if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Freeing string in creating options database\n");return;}
456fb2dfec1SJacht Volker   }
457ba9a049bSBarry Smith   *ierr = PetscOptionsCheckInitial_Private();
458ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
459703f3eceSBarry Smith   /* call a second time to check options database */
460703f3eceSBarry Smith   *ierr = PetscErrorPrintfInitialize();
461703f3eceSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: Calling PetscErrorPrintfInitialize()\n");return;}
46211525c0dSBarry Smith   *ierr = PetscCitationsInitialize();
46311525c0dSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscCitationsInitialize()\n");return;}
46411525c0dSBarry Smith #if defined(PETSC_HAVE_SAWS)
46511525c0dSBarry Smith   *ierr = PetscInitializeSAWs(NULL);
46611525c0dSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing SAWs\n");return;}
46711525c0dSBarry Smith #endif
468ba9a049bSBarry Smith #if defined(PETSC_USE_LOG)
469896238b9SBarry Smith   *ierr = PetscLogInitialize();
470ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize: intializing logging\n");return;}
471ba9a049bSBarry Smith #endif
472ba9a049bSBarry Smith   *ierr = PetscInitialize_DynamicLibraries();
473ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Initializing dynamic libraries\n");return;}
474ba9a049bSBarry Smith 
475ba9a049bSBarry Smith   *ierr = PetscInitializeFortran();
476ba9a049bSBarry Smith   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Setting up common block\n");return;}
477ba9a049bSBarry Smith 
478ba9a049bSBarry Smith   *ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);
479ba9a049bSBarry Smith   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting MPI_Comm_size()\n");return;}
480ba9a049bSBarry Smith   *ierr = PetscInfo1(0,"(Fortran):PETSc successfully started: procs %d\n",size);
481ba9a049bSBarry Smith   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
482ba9a049bSBarry Smith   *ierr = PetscGetHostName(hostname,64);
483ba9a049bSBarry Smith   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Getting hostname\n");return;}
484ba9a049bSBarry Smith   *ierr = PetscInfo1(0,"Running on machine: %s\n",hostname);
485ba9a049bSBarry Smith   if (*ierr) { (*PetscErrorPrintf)("PetscInitialize:Calling PetscInfo()\n");return;}
486ba9a049bSBarry Smith   *ierr = PetscOptionsCheckInitial_Components();
487ba9a049bSBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:Checking initial options\n");return;}
488ba9a049bSBarry Smith 
489ef19f930SBarry Smith #if defined(PETSC_USE_DEBUG) && !defined(PETSC_HAVE_THREADSAFETY)
4909248b815SShri Abhyankar   *ierr = PetscStackCreate();
4913f209d92SBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscStackCreate()\n");return;}
4929248b815SShri Abhyankar #endif
4939248b815SShri Abhyankar 
494b2bbaf76SBarry Smith #if defined(PETSC_SERIALIZE_FUNCTIONS)
495b2bbaf76SBarry Smith   *ierr = PetscFPTCreate(10000);
496b2bbaf76SBarry Smith   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:PetscFPTCreate()\n");return;}
497b2bbaf76SBarry Smith #endif
4987b56e58cSSatish Balay #if defined(PETSC_HAVE_ADIOS)
4997b56e58cSSatish Balay   *ierr = adios_init_noxml(PETSC_COMM_WORLD);
5007b56e58cSSatish Balay   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_init_noxml()\n");return;}
5017b56e58cSSatish Balay   *ierr = adios_declare_group(&Petsc_adios_group,"PETSc","",adios_stat_default);
5027b56e58cSSatish Balay   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_declare_group()\n");return;}
5037b56e58cSSatish Balay   *ierr = adios_select_method(Petsc_adios_group,"MPI","","");
5047b56e58cSSatish Balay   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_select_method()\n");return;}
5057b56e58cSSatish Balay   *ierr = adios_read_init_method(ADIOS_READ_METHOD_BP,PETSC_COMM_WORLD,"");
5067b56e58cSSatish Balay   if (*ierr) {(*PetscErrorPrintf)("PetscInitialize:adios_read_init_method()\n");return;}
5077b56e58cSSatish Balay #endif
508ba9a049bSBarry Smith }
509ba9a049bSBarry Smith 
510*19caf8f3SSatish Balay PETSC_EXTERN void petscinitialize_(char* filename,PetscErrorCode *ierr,PETSC_FORTRAN_CHARLEN_T len)
511fb2dfec1SJacht Volker {
512fb2dfec1SJacht Volker   petscinitialize_internal(filename, len, PETSC_TRUE, ierr);
513fb2dfec1SJacht Volker }
514fb2dfec1SJacht Volker 
515*19caf8f3SSatish Balay PETSC_EXTERN void petscinitializenoarguments_(PetscErrorCode *ierr)
516fb2dfec1SJacht Volker {
517fb2dfec1SJacht Volker   petscinitialize_internal(NULL, (PetscInt) 0, PETSC_FALSE, ierr);
518fb2dfec1SJacht Volker }
519fb2dfec1SJacht Volker 
520fb2dfec1SJacht Volker 
521*19caf8f3SSatish Balay PETSC_EXTERN void petscfinalize_(PetscErrorCode *ierr)
522ba9a049bSBarry Smith {
523ba9a049bSBarry Smith #if defined(PETSC_HAVE_SUNMATHPRO)
524ba9a049bSBarry Smith   extern void standard_arithmetic();
525ba9a049bSBarry Smith   standard_arithmetic();
526ba9a049bSBarry Smith #endif
527ba9a049bSBarry Smith   /* was malloced with PetscMallocAlign() so free the same way */
528efca3c55SSatish Balay   *ierr = PetscFreeAlign(PetscGlobalArgs,0,0,0);if (*ierr) {(*PetscErrorPrintf)("PetscFinalize:Freeing args\n");return;}
529ba9a049bSBarry Smith 
530ba9a049bSBarry Smith   *ierr = PetscFinalize();
531ba9a049bSBarry Smith }
532ba9a049bSBarry Smith 
533*19caf8f3SSatish Balay PETSC_EXTERN void petscend_(PetscErrorCode *ierr)
534ba9a049bSBarry Smith {
535ba9a049bSBarry Smith #if defined(PETSC_HAVE_SUNMATHPRO)
536ba9a049bSBarry Smith   extern void standard_arithmetic();
537ba9a049bSBarry Smith   standard_arithmetic();
538ba9a049bSBarry Smith #endif
539ba9a049bSBarry Smith 
540ba9a049bSBarry Smith   *ierr = PetscEnd();
541ba9a049bSBarry Smith }
542ba9a049bSBarry Smith 
543