/*@
MatNullSpaceTest - Tests if the claimed null space is really a
null space of a matrix
Collective on MatNullSpace
Input Parameters:
+ sp - the null space context
- mat - the matrix
Output Parameters:
. isNull - PETSC_TRUE if the nullspace is valid for this matrix
Level: advanced
.keywords: PC, null space, remove
.seealso: MatNullSpaceCreate(), MatNullSpaceDestroy(), MatNullSpaceSetFunction()
@*/
PetscErrorCode MatNullSpaceTest(MatNullSpace sp,Mat mat,PetscBool *isNull)
{
PetscScalar sum;
PetscReal nrm;
PetscInt j,n,N;
PetscErrorCode ierr;
Vec l,r;
PetscBool flg1 = PETSC_FALSE,flg2 = PETSC_FALSE,consistent = PETSC_TRUE;
PetscViewer viewer;
PetscFunctionBegin;
PetscValidHeaderSpecific(sp,MAT_NULLSPACE_CLASSID,1);
PetscValidHeaderSpecific(mat,MAT_CLASSID,2);
n = sp->n;
ierr = PetscOptionsGetBool(NULL,"-mat_null_space_test_view",&flg1,NULL);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,"-mat_null_space_test_view_draw",&flg2,NULL);CHKERRQ(ierr);
if (n) {
ierr = VecDuplicate(sp->vecs[0],&l);CHKERRQ(ierr);
} else {
ierr = MatCreateVecs(mat,&l,NULL);CHKERRQ(ierr);
}
ierr = PetscViewerASCIIGetStdout(PetscObjectComm((PetscObject)sp),&viewer);CHKERRQ(ierr);
if (sp->has_cnst) {
ierr = VecDuplicate(l,&r);CHKERRQ(ierr);
ierr = VecGetSize(l,&N);CHKERRQ(ierr);
sum = 1.0/N;
ierr = VecSet(l,sum);CHKERRQ(ierr);
ierr = MatMult(mat,l,r);CHKERRQ(ierr);
ierr = VecNorm(r,NORM_2,&nrm);CHKERRQ(ierr);
if (nrm >= 1.e-7) consistent = PETSC_FALSE;
if (flg1) {
if (consistent) {
ierr = PetscPrintf(PetscObjectComm((PetscObject)sp),"Constants are likely null vector");CHKERRQ(ierr);
} else {
ierr = PetscPrintf(PetscObjectComm((PetscObject)sp),"Constants are unlikely null vector ");CHKERRQ(ierr);
}
ierr = PetscPrintf(PetscObjectComm((PetscObject)sp),"|| A * 1/N || = %g\n",(double)nrm);CHKERRQ(ierr);
}
if (!consistent && flg1) {ierr = VecView(r,viewer);CHKERRQ(ierr);}
if (!consistent && flg2) {ierr = VecView(r,viewer);CHKERRQ(ierr);}
ierr = VecDestroy(&r);CHKERRQ(ierr);
}
for (j=0; j<n; j++) {
ierr = (*mat->ops->mult)(mat,sp->vecs[j],l);CHKERRQ(ierr);
ierr = VecNorm(l,NORM_2,&nrm);CHKERRQ(ierr);
if (nrm >= 1.e-7) consistent = PETSC_FALSE;
if (flg1) {
if (consistent) {
ierr = PetscPrintf(PetscObjectComm((PetscObject)sp),"Null vector %D is likely null vector",j);CHKERRQ(ierr);
} else {
ierr = PetscPrintf(PetscObjectComm((PetscObject)sp),"Null vector %D unlikely null vector ",j);CHKERRQ(ierr);
consistent = PETSC_FALSE;
}
ierr = PetscPrintf(PetscObjectComm((PetscObject)sp),"|| A * v[%D] || = %g\n",j,(double)nrm);CHKERRQ(ierr);
}
if (!consistent && flg1) {ierr = VecView(l,viewer);CHKERRQ(ierr);}
if (!consistent && flg2) {ierr = VecView(l,viewer);CHKERRQ(ierr);}
}
if (sp->remove) SETERRQ(PetscObjectComm((PetscObject)mat),PETSC_ERR_SUP,"Cannot test a null space provided as a function with MatNullSpaceSetFunction()");
ierr = VecDestroy(&l);CHKERRQ(ierr);
if (isNull) *isNull = consistent;
PetscFunctionReturn(0);
}
/*@C
PetscFinalize - Checks for options to be called at the conclusion
of the program. MPI_Finalize() is called only if the user had not
called MPI_Init() before calling PetscInitialize().
Collective on PETSC_COMM_WORLD
Options Database Keys:
+ -options_table - Calls PetscOptionsView()
. -options_left - Prints unused options that remain in the database
. -objects_dump [all] - Prints list of objects allocated by the user that have not been freed, the option all cause all outstanding objects to be listed
. -mpidump - Calls PetscMPIDump()
. -malloc_dump - Calls PetscMallocDump()
. -malloc_info - Prints total memory usage
- -malloc_log - Prints summary of memory usage
Level: beginner
Note:
See PetscInitialize() for more general runtime options.
.seealso: PetscInitialize(), PetscOptionsView(), PetscMallocDump(), PetscMPIDump(), PetscEnd()
@*/
PetscErrorCode PetscFinalize(void)
{
PetscErrorCode ierr;
PetscMPIInt rank;
PetscInt nopt;
PetscBool flg1 = PETSC_FALSE,flg2 = PETSC_FALSE,flg3 = PETSC_FALSE;
#if defined(PETSC_HAVE_AMS)
PetscBool flg = PETSC_FALSE;
#endif
#if defined(PETSC_USE_LOG)
char mname[PETSC_MAX_PATH_LEN];
#endif
PetscFunctionBegin;
if (!PetscInitializeCalled) {
printf("PetscInitialize() must be called before PetscFinalize()\n");
PetscFunctionReturn(PETSC_ERR_ARG_WRONGSTATE);
}
ierr = PetscInfo(NULL,"PetscFinalize() called\n");CHKERRQ(ierr);
#if defined(PETSC_SERIALIZE_FUNCTIONS)
ierr = PetscFPTDestroy();CHKERRQ(ierr);
#endif
#if defined(PETSC_HAVE_AMS)
ierr = PetscOptionsGetBool(NULL,"-options_gui",&flg,NULL);CHKERRQ(ierr);
if (flg) {
ierr = PetscOptionsAMSDestroy();CHKERRQ(ierr);
}
#endif
#if defined(PETSC_HAVE_SERVER)
flg1 = PETSC_FALSE;
ierr = PetscOptionsGetBool(NULL,"-server",&flg1,NULL);CHKERRQ(ierr);
if (flg1) {
/* this is a crude hack, but better than nothing */
ierr = PetscPOpen(PETSC_COMM_WORLD,NULL,"pkill -9 petscwebserver","r",NULL);CHKERRQ(ierr);
}
#endif
ierr = PetscHMPIFinalize();CHKERRQ(ierr);
ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,"-malloc_info",&flg2,NULL);CHKERRQ(ierr);
if (!flg2) {
flg2 = PETSC_FALSE;
ierr = PetscOptionsGetBool(NULL,"-memory_info",&flg2,NULL);CHKERRQ(ierr);
}
if (flg2) {
ierr = PetscMemoryShowUsage(PETSC_VIEWER_STDOUT_WORLD,"Summary of Memory Usage in PETSc\n");CHKERRQ(ierr);
}
#if defined(PETSC_USE_LOG)
flg1 = PETSC_FALSE;
ierr = PetscOptionsGetBool(NULL,"-get_total_flops",&flg1,NULL);CHKERRQ(ierr);
if (flg1) {
PetscLogDouble flops = 0;
ierr = MPI_Reduce(&petsc_TotalFlops,&flops,1,MPI_DOUBLE,MPI_SUM,0,PETSC_COMM_WORLD);CHKERRQ(ierr);
ierr = PetscPrintf(PETSC_COMM_WORLD,"Total flops over all processors %g\n",flops);CHKERRQ(ierr);
}
#endif
#if defined(PETSC_USE_LOG)
#if defined(PETSC_HAVE_MPE)
mname[0] = 0;
ierr = PetscOptionsGetString(NULL,"-log_mpe",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr);
if (flg1) {
if (mname[0]) {ierr = PetscLogMPEDump(mname);CHKERRQ(ierr);}
else {ierr = PetscLogMPEDump(0);CHKERRQ(ierr);}
}
#endif
mname[0] = 0;
ierr = PetscOptionsGetString(NULL,"-log_summary",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr);
if (flg1) {
PetscViewer viewer;
if (mname[0]) {
ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD,mname,&viewer);CHKERRQ(ierr);
ierr = PetscLogView(viewer);CHKERRQ(ierr);
ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
} else {
viewer = PETSC_VIEWER_STDOUT_WORLD;
ierr = PetscLogView(viewer);CHKERRQ(ierr);
}
}
mname[0] = 0;
ierr = PetscOptionsGetString(NULL,"-log_summary_python",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr);
if (flg1) {
PetscViewer viewer;
if (mname[0]) {
ierr = PetscViewerASCIIOpen(PETSC_COMM_WORLD,mname,&viewer);CHKERRQ(ierr);
ierr = PetscLogViewPython(viewer);CHKERRQ(ierr);
ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
} else {
viewer = PETSC_VIEWER_STDOUT_WORLD;
ierr = PetscLogViewPython(viewer);CHKERRQ(ierr);
}
}
ierr = PetscOptionsGetString(NULL,"-log_detailed",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr);
if (flg1) {
if (mname[0]) {ierr = PetscLogPrintDetailed(PETSC_COMM_WORLD,mname);CHKERRQ(ierr);}
else {ierr = PetscLogPrintDetailed(PETSC_COMM_WORLD,0);CHKERRQ(ierr);}
}
mname[0] = 0;
ierr = PetscOptionsGetString(NULL,"-log_all",mname,PETSC_MAX_PATH_LEN,&flg1);CHKERRQ(ierr);
ierr = PetscOptionsGetString(NULL,"-log",mname,PETSC_MAX_PATH_LEN,&flg2);CHKERRQ(ierr);
if (flg1 || flg2) {
if (mname[0]) PetscLogDump(mname);
else PetscLogDump(0);
}
#endif
/*
Free all objects registered with PetscObjectRegisterDestroy() such as PETSC_VIEWER_XXX_().
*/
ierr = PetscObjectRegisterDestroyAll();CHKERRQ(ierr);
{
PetscThreadComm tcomm_world;
ierr = PetscGetThreadCommWorld(&tcomm_world);CHKERRQ(ierr);
/* Free global thread communicator */
ierr = PetscThreadCommDestroy(&tcomm_world);CHKERRQ(ierr);
}
#if defined(PETSC_USE_DEBUG)
ierr = PetscStackDestroy();CHKERRQ(ierr);
#endif
flg1 = PETSC_FALSE;
ierr = PetscOptionsGetBool(NULL,"-no_signal_handler",&flg1,NULL);CHKERRQ(ierr);
if (!flg1) { ierr = PetscPopSignalHandler();CHKERRQ(ierr);}
flg1 = PETSC_FALSE;
ierr = PetscOptionsGetBool(NULL,"-mpidump",&flg1,NULL);CHKERRQ(ierr);
if (flg1) {
ierr = PetscMPIDump(stdout);CHKERRQ(ierr);
}
flg1 = PETSC_FALSE;
flg2 = PETSC_FALSE;
/* preemptive call to avoid listing this option in options table as unused */
ierr = PetscOptionsHasName(NULL,"-malloc_dump",&flg1);CHKERRQ(ierr);
ierr = PetscOptionsHasName(NULL,"-objects_dump",&flg1);CHKERRQ(ierr);
ierr = PetscOptionsGetBool(NULL,"-options_table",&flg2,NULL);CHKERRQ(ierr);
if (flg2) {
PetscViewer viewer;
ierr = PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&viewer);CHKERRQ(ierr);
ierr = PetscOptionsView(viewer);CHKERRQ(ierr);
ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
}
/* to prevent PETSc -options_left from warning */
ierr = PetscOptionsHasName(NULL,"-nox",&flg1);CHKERRQ(ierr);
ierr = PetscOptionsHasName(NULL,"-nox_warning",&flg1);CHKERRQ(ierr);
if (!PetscHMPIWorker) { /* worker processes skip this because they do not usually process options */
flg3 = PETSC_FALSE; /* default value is required */
ierr = PetscOptionsGetBool(NULL,"-options_left",&flg3,&flg1);CHKERRQ(ierr);
ierr = PetscOptionsAllUsed(&nopt);CHKERRQ(ierr);
if (flg3) {
if (!flg2) { /* have not yet printed the options */
PetscViewer viewer;
ierr = PetscViewerASCIIGetStdout(PETSC_COMM_WORLD,&viewer);CHKERRQ(ierr);
ierr = PetscOptionsView(viewer);CHKERRQ(ierr);
ierr = PetscViewerDestroy(&viewer);CHKERRQ(ierr);
}
if (!nopt) {
ierr = PetscPrintf(PETSC_COMM_WORLD,"There are no unused options.\n");CHKERRQ(ierr);
} else if (nopt == 1) {
ierr = PetscPrintf(PETSC_COMM_WORLD,"There is one unused database option. It is:\n");CHKERRQ(ierr);
} else {
ierr = PetscPrintf(PETSC_COMM_WORLD,"There are %D unused database options. They are:\n",nopt);CHKERRQ(ierr);
}
}
#if defined(PETSC_USE_DEBUG)
if (nopt && !flg3 && !flg1) {
ierr = PetscPrintf(PETSC_COMM_WORLD,"WARNING! There are options you set that were not used!\n");CHKERRQ(ierr);
ierr = PetscPrintf(PETSC_COMM_WORLD,"WARNING! could be spelling mistake, etc!\n");CHKERRQ(ierr);
ierr = PetscOptionsLeft();CHKERRQ(ierr);
} else if (nopt && flg3) {
#else
if (nopt && flg3) {
#endif
ierr = PetscOptionsLeft();CHKERRQ(ierr);
}
}
/*
List all objects the user may have forgot to free
*/
ierr = PetscOptionsHasName(NULL,"-objects_dump",&flg1);CHKERRQ(ierr);
if (flg1) {
MPI_Comm local_comm;
char string[64];
ierr = PetscOptionsGetString(NULL,"-objects_dump",string,64,NULL);CHKERRQ(ierr);
ierr = MPI_Comm_dup(MPI_COMM_WORLD,&local_comm);CHKERRQ(ierr);
ierr = PetscSequentialPhaseBegin_Private(local_comm,1);CHKERRQ(ierr);
ierr = PetscObjectsDump(stdout,(string[0] == 'a') ? PETSC_TRUE : PETSC_FALSE);CHKERRQ(ierr);
ierr = PetscSequentialPhaseEnd_Private(local_comm,1);CHKERRQ(ierr);
ierr = MPI_Comm_free(&local_comm);CHKERRQ(ierr);
}
PetscObjectsCounts = 0;
PetscObjectsMaxCounts = 0;
ierr = PetscFree(PetscObjects);CHKERRQ(ierr);
#if defined(PETSC_USE_LOG)
ierr = PetscLogDestroy();CHKERRQ(ierr);
#endif
/*
Destroy any packages that registered a finalize
*/
ierr = PetscRegisterFinalizeAll();CHKERRQ(ierr);
/*
Destroy all the function registration lists created
*/
ierr = PetscFinalize_DynamicLibraries();CHKERRQ(ierr);
/*
Print PetscFunctionLists that have not been properly freed
ierr = PetscFunctionListPrintAll();CHKERRQ(ierr);
*/
if (petsc_history) {
ierr = PetscCloseHistoryFile(&petsc_history);CHKERRQ(ierr);
petsc_history = 0;
}
ierr = PetscInfoAllow(PETSC_FALSE,NULL);CHKERRQ(ierr);
{
char fname[PETSC_MAX_PATH_LEN];
FILE *fd;
int err;
fname[0] = 0;
ierr = PetscOptionsGetString(NULL,"-malloc_dump",fname,250,&flg1);CHKERRQ(ierr);
flg2 = PETSC_FALSE;
ierr = PetscOptionsGetBool(NULL,"-malloc_test",&flg2,NULL);CHKERRQ(ierr);
#if defined(PETSC_USE_DEBUG)
if (PETSC_RUNNING_ON_VALGRIND) flg2 = PETSC_FALSE;
#else
flg2 = PETSC_FALSE; /* Skip reporting for optimized builds regardless of -malloc_test */
#endif
if (flg1 && fname[0]) {
char sname[PETSC_MAX_PATH_LEN];
sprintf(sname,"%s_%d",fname,rank);
fd = fopen(sname,"w"); if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open log file: %s",sname);
ierr = PetscMallocDump(fd);CHKERRQ(ierr);
err = fclose(fd);
if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fclose() failed on file");
} else if (flg1 || flg2) {
MPI_Comm local_comm;
ierr = MPI_Comm_dup(MPI_COMM_WORLD,&local_comm);CHKERRQ(ierr);
ierr = PetscSequentialPhaseBegin_Private(local_comm,1);CHKERRQ(ierr);
ierr = PetscMallocDump(stdout);CHKERRQ(ierr);
ierr = PetscSequentialPhaseEnd_Private(local_comm,1);CHKERRQ(ierr);
ierr = MPI_Comm_free(&local_comm);CHKERRQ(ierr);
}
}
{
char fname[PETSC_MAX_PATH_LEN];
FILE *fd = NULL;
fname[0] = 0;
ierr = PetscOptionsGetString(NULL,"-malloc_log",fname,250,&flg1);CHKERRQ(ierr);
ierr = PetscOptionsHasName(NULL,"-malloc_log_threshold",&flg2);CHKERRQ(ierr);
if (flg1 && fname[0]) {
int err;
if (!rank) {
fd = fopen(fname,"w");
if (!fd) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_FILE_OPEN,"Cannot open log file: %s",fname);
}
ierr = PetscMallocDumpLog(fd);CHKERRQ(ierr);
if (fd) {
err = fclose(fd);
if (err) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SYS,"fclose() failed on file");
}
} else if (flg1 || flg2) {
ierr = PetscMallocDumpLog(stdout);CHKERRQ(ierr);
}
}
/* Can be destroyed only after all the options are used */
ierr = PetscOptionsDestroy();CHKERRQ(ierr);
PetscGlobalArgc = 0;
PetscGlobalArgs = 0;
#if defined(PETSC_USE_REAL___FLOAT128)
ierr = MPI_Type_free(&MPIU___FLOAT128);CHKERRQ(ierr);
#if defined(PETSC_HAVE_COMPLEX)
ierr = MPI_Type_free(&MPIU___COMPLEX128);CHKERRQ(ierr);
#endif
ierr = MPI_Op_free(&MPIU_MAX);CHKERRQ(ierr);
ierr = MPI_Op_free(&MPIU_MIN);CHKERRQ(ierr);
#endif
#if defined(PETSC_HAVE_COMPLEX)
#if !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)
ierr = MPI_Type_free(&MPIU_C_DOUBLE_COMPLEX);CHKERRQ(ierr);
ierr = MPI_Type_free(&MPIU_C_COMPLEX);CHKERRQ(ierr);
#endif
#endif
#if (defined(PETSC_HAVE_COMPLEX) && !defined(PETSC_HAVE_MPI_C_DOUBLE_COMPLEX)) || defined(PETSC_USE_REAL___FLOAT128)
ierr = MPI_Op_free(&MPIU_SUM);CHKERRQ(ierr);
#endif
ierr = MPI_Type_free(&MPIU_2SCALAR);CHKERRQ(ierr);
#if defined(PETSC_USE_64BIT_INDICES) || !defined(MPI_2INT)
ierr = MPI_Type_free(&MPIU_2INT);CHKERRQ(ierr);
#endif
ierr = MPI_Op_free(&PetscMaxSum_Op);CHKERRQ(ierr);
ierr = MPI_Op_free(&PetscADMax_Op);CHKERRQ(ierr);
ierr = MPI_Op_free(&PetscADMin_Op);CHKERRQ(ierr);
/*
Destroy any known inner MPI_Comm's and attributes pointing to them
Note this will not destroy any new communicators the user has created.
If all PETSc objects were not destroyed those left over objects will have hanging references to
the MPI_Comms that were freed; but that is ok because those PETSc objects will never be used again
*/
{
PetscCommCounter *counter;
PetscMPIInt flg;
MPI_Comm icomm;
void *ptr;
ierr = MPI_Attr_get(PETSC_COMM_SELF,Petsc_InnerComm_keyval,&ptr,&flg);CHKERRQ(ierr);
if (flg) {
/* Use PetscMemcpy() because casting from pointer to integer of different size is not allowed with some compilers */
ierr = PetscMemcpy(&icomm,&ptr,sizeof(MPI_Comm));CHKERRQ(ierr);
ierr = MPI_Attr_get(icomm,Petsc_Counter_keyval,&counter,&flg);CHKERRQ(ierr);
if (!flg) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected tag/name counter, problem with corrupted memory");
ierr = MPI_Attr_delete(PETSC_COMM_SELF,Petsc_InnerComm_keyval);CHKERRQ(ierr);
ierr = MPI_Attr_delete(icomm,Petsc_Counter_keyval);CHKERRQ(ierr);
ierr = MPI_Comm_free(&icomm);CHKERRQ(ierr);
}
ierr = MPI_Attr_get(PETSC_COMM_WORLD,Petsc_InnerComm_keyval,&ptr,&flg);CHKERRQ(ierr);
if (flg) {
/* Use PetscMemcpy() because casting from pointer to integer of different size is not allowed with some compilers */
ierr = PetscMemcpy(&icomm,&ptr,sizeof(MPI_Comm));CHKERRQ(ierr);
ierr = MPI_Attr_get(icomm,Petsc_Counter_keyval,&counter,&flg);CHKERRQ(ierr);
if (!flg) SETERRQ(PETSC_COMM_WORLD,PETSC_ERR_ARG_CORRUPT,"Inner MPI_Comm does not have expected tag/name counter, problem with corrupted memory");
ierr = MPI_Attr_delete(PETSC_COMM_WORLD,Petsc_InnerComm_keyval);CHKERRQ(ierr);
ierr = MPI_Attr_delete(icomm,Petsc_Counter_keyval);CHKERRQ(ierr);
ierr = MPI_Comm_free(&icomm);CHKERRQ(ierr);
}
}
ierr = MPI_Keyval_free(&Petsc_Counter_keyval);CHKERRQ(ierr);
ierr = MPI_Keyval_free(&Petsc_InnerComm_keyval);CHKERRQ(ierr);
ierr = MPI_Keyval_free(&Petsc_OuterComm_keyval);CHKERRQ(ierr);
#if defined(PETSC_HAVE_CUDA)
{
PetscInt p;
for (p = 0; p < PetscGlobalSize; ++p) {
if (p == PetscGlobalRank) cublasShutdown();
ierr = MPI_Barrier(PETSC_COMM_WORLD);CHKERRQ(ierr);
}
}
#endif
if (PetscBeganMPI) {
#if defined(PETSC_HAVE_MPI_FINALIZED)
PetscMPIInt flag;
ierr = MPI_Finalized(&flag);CHKERRQ(ierr);
if (flag) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"MPI_Finalize() has already been called, even though MPI_Init() was called by PetscInitialize()");
#endif
ierr = MPI_Finalize();CHKERRQ(ierr);
}
/*
Note: In certain cases PETSC_COMM_WORLD is never MPI_Comm_free()ed because
the communicator has some outstanding requests on it. Specifically if the
flag PETSC_HAVE_BROKEN_REQUEST_FREE is set (for IBM MPI implementation). See
src/vec/utils/vpscat.c. Due to this the memory allocated in PetscCommDuplicate()
is never freed as it should be. Thus one may obtain messages of the form
[ 1] 8 bytes PetscCommDuplicate() line 645 in src/sys/mpiu.c indicating the
memory was not freed.
*/
ierr = PetscMallocClear();CHKERRQ(ierr);
PetscInitializeCalled = PETSC_FALSE;
PetscFinalizeCalled = PETSC_TRUE;
PetscFunctionReturn(ierr);
}
#if defined(PETSC_MISSING_LAPACK_lsame_)
PETSC_EXTERN int lsame_(char *a,char *b)
{
if (*a == *b) return 1;
if (*a + 32 == *b) return 1;
if (*a - 32 == *b) return 1;
return 0;
}
#endif
#if defined(PETSC_MISSING_LAPACK_lsame)
PETSC_EXTERN int lsame(char *a,char *b)
{
if (*a == *b) return 1;
if (*a + 32 == *b) return 1;
if (*a - 32 == *b) return 1;
return 0;
}