int main(int argc,char **argv)
{
PetscErrorCode ierr;
PetscMPIInt rank,size;
PetscInt n,*ispetsc,*isapp,start,N,i;
AO ao;
ierr = PetscInitialize(&argc,&argv,(char*)0,help);CHKERRQ(ierr);
ierr = PetscOptionsGetInt(NULL,"-n",&n,NULL);CHKERRQ(ierr);
ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr); n = rank + 2;
ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
/* create the orderings */
ierr = PetscMalloc2(n,&ispetsc,n,&isapp);CHKERRQ(ierr);
ierr = MPI_Scan(&n,&start,1,MPIU_INT,MPI_SUM,PETSC_COMM_WORLD);CHKERRQ(ierr);
ierr = MPI_Allreduce(&n,&N,1,MPIU_INT,MPI_SUM,PETSC_COMM_WORLD);CHKERRQ(ierr);
start -= n;
for (i=0; i<n; i++) {
ispetsc[i] = start + i;
isapp[i] = N - start - i - 1;
}
/* create the application ordering */
ierr = AOCreateBasic(PETSC_COMM_WORLD,n,isapp,ispetsc,&ao);CHKERRQ(ierr);
ierr = AOView(ao,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
/* check the mapping */
ierr = AOPetscToApplication(ao,n,ispetsc);CHKERRQ(ierr);
for (i=0; i<n; i++) {
if (ispetsc[i] != isapp[i]) {
ierr = PetscPrintf(PETSC_COMM_WORLD,"[%d] Problem with mapping %D to %D\n",rank,i,ispetsc[i]);
}
}
ierr = PetscFree2(ispetsc,isapp);CHKERRQ(ierr);
ierr = AODestroy(&ao);CHKERRQ(ierr);
ierr = PetscFinalize();
return 0;
}
int main(int argc,char **argv)
{
PetscInt n = 5;
PetscErrorCode ierr;
PetscMPIInt rank,size;
IS ispetsc,isapp;
AO ao;
ierr = PetscInitialize(&argc,&argv,(char*)0,help);CHKERRQ(ierr);
ierr = PetscOptionsGetInt(NULL,"-n",&n,NULL);CHKERRQ(ierr);
ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
/* create the index sets */
ierr = ISCreateStride(PETSC_COMM_WORLD,n,rank,size,&ispetsc);CHKERRQ(ierr);
ierr = ISCreateStride(PETSC_COMM_WORLD,n,n*rank,1,&isapp);CHKERRQ(ierr);
/* create the application ordering */
ierr = AOCreateBasicIS(isapp,ispetsc,&ao);CHKERRQ(ierr);
ierr = AOView(ao,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
ierr = ISView(ispetsc,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
ierr = ISView(isapp,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
ierr = AOPetscToApplicationIS(ao,ispetsc);CHKERRQ(ierr);
ierr = ISView(isapp,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
ierr = ISView(ispetsc,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
ierr = ISDestroy(&ispetsc);CHKERRQ(ierr);
ierr = ISDestroy(&isapp);CHKERRQ(ierr);
ierr = AODestroy(&ao);CHKERRQ(ierr);
ierr = PetscFinalize();
return 0;
}
/*@C
AOCreate - Creates an application ordering.
Collective on MPI_Comm
Input Parameters:
. comm - MPI communicator that is to share AO
Output Parameter:
. ao - the new application ordering
Options Database Key:
+ -ao_type <aotype> - create ao with particular format
- -ao_view - call AOView() at the conclusion of AOCreate()
Level: beginner
.keywords: AO, create
.seealso: AOSetIS(), AODestroy(), AOPetscToApplication(), AOApplicationToPetsc()
@*/
PetscErrorCode AOCreate(MPI_Comm comm,AO *ao)
{
PetscErrorCode ierr;
AO aonew;
PetscBool opt;
PetscFunctionBegin;
PetscValidPointer(ao,2);
*ao = PETSC_NULL;
#ifndef PETSC_USE_DYNAMIC_LIBRARIES
ierr = AOInitializePackage(PETSC_NULL);CHKERRQ(ierr);
#endif
ierr = PetscHeaderCreate(aonew,_p_AO,struct _AOOps,AO_CLASSID,-1,"AO","Application Ordering","AO",comm,AODestroy,AOView);CHKERRQ(ierr);
ierr = PetscMemzero(aonew->ops, sizeof(struct _AOOps));CHKERRQ(ierr);
*ao = aonew;
opt = PETSC_FALSE;
ierr = PetscOptionsGetBool(PETSC_NULL, "-ao_view", &opt,PETSC_NULL);CHKERRQ(ierr);
if (opt) {
ierr = AOView(aonew, PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
}
PetscFunctionReturn(0);
}
int main(int argc,char **argv)
{
PetscErrorCode ierr;
PetscInt i,n = 5;
PetscInt getpetsc[] = {0,3,4},getapp[] = {2,1,9,7};
PetscInt getpetsc1[] = {0,3,4},getapp1[] = {2,1,9,7};
PetscInt getpetsc2[] = {0,3,4},getapp2[] = {2,1,9,7};
PetscInt getpetsc3[] = {0,3,4},getapp3[] = {2,1,9,7};
PetscInt getpetsc4[] = {0,3,4},getapp4[] = {2,1,9,7};
PetscMPIInt rank,size;
IS ispetsc,isapp;
AO ao;
const PetscInt *app;
ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
ierr = PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL);CHKERRQ(ierr);
ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
ierr = MPI_Comm_size(PETSC_COMM_WORLD,&size);CHKERRQ(ierr);
/* create the index sets */
ierr = ISCreateStride(PETSC_COMM_WORLD,n,rank,size,&isapp);CHKERRQ(ierr);
ierr = ISCreateStride(PETSC_COMM_WORLD,n,n*rank,1,&ispetsc);CHKERRQ(ierr); /* natural numbering */
/* create the application ordering */
ierr = AOCreateBasicIS(isapp,ispetsc,&ao);CHKERRQ(ierr);
ierr = AOView(ao,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
ierr = AOPetscToApplication(ao,4,getapp);CHKERRQ(ierr);
ierr = AOApplicationToPetsc(ao,3,getpetsc);CHKERRQ(ierr);
ierr = PetscSynchronizedPrintf(PETSC_COMM_WORLD,"[%d] 2,1,9,7 PetscToApplication %D %D %D %D\n",rank,getapp[0],getapp[1],getapp[2],getapp[3]);CHKERRQ(ierr);
ierr = PetscSynchronizedPrintf(PETSC_COMM_WORLD,"[%d] 0,3,4 ApplicationToPetsc %D %D %D\n",rank,getpetsc[0],getpetsc[1],getpetsc[2]);CHKERRQ(ierr);
ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr);
ierr = AODestroy(&ao);CHKERRQ(ierr);
/* test MemoryScalable ao */
/*-------------------------*/
ierr = PetscPrintf(PETSC_COMM_WORLD,"\nTest AOCreateMemoryScalable: \n");CHKERRQ(ierr);
ierr = AOCreateMemoryScalableIS(isapp,ispetsc,&ao);CHKERRQ(ierr);CHKERRQ(ierr);
ierr = AOView(ao,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
ierr = AOPetscToApplication(ao,4,getapp1);CHKERRQ(ierr);
ierr = AOApplicationToPetsc(ao,3,getpetsc1);CHKERRQ(ierr);
/* Check accuracy */;
for (i=0; i<4; i++) {
if (getapp1[i] != getapp[i]) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"getapp1 %d != getapp %d",getapp1[i],getapp[i]);
}
for (i=0; i<3; i++) {
if (getpetsc1[i] != getpetsc[i]) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"getpetsc1 %d != getpetsc %d",getpetsc1[i],getpetsc[i]);
}
ierr = AODestroy(&ao);CHKERRQ(ierr);
/* test MemoryScalable ao: ispetsc = NULL */
/*-----------------------------------------------*/
ierr = PetscPrintf(PETSC_COMM_WORLD,"\nTest AOCreateMemoryScalable with ispetsc=NULL:\n");CHKERRQ(ierr);
ierr = AOCreateMemoryScalableIS(isapp,NULL,&ao);CHKERRQ(ierr);CHKERRQ(ierr);
ierr = AOView(ao,PETSC_VIEWER_STDOUT_WORLD);CHKERRQ(ierr);
ierr = AOPetscToApplication(ao,4,getapp2);CHKERRQ(ierr);
ierr = AOApplicationToPetsc(ao,3,getpetsc2);CHKERRQ(ierr);
/* Check accuracy */;
for (i=0; i<4; i++) {
if (getapp2[i] != getapp[i]) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"getapp2 %d != getapp %d",getapp2[i],getapp[i]);
}
for (i=0; i<3; i++) {
if (getpetsc2[i] != getpetsc[i]) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"getpetsc2 %d != getpetsc %d",getpetsc2[i],getpetsc[i]);
}
ierr = AODestroy(&ao);CHKERRQ(ierr);
/* test AOCreateMemoryScalable() ao: */
ierr = ISGetIndices(isapp,&app);CHKERRQ(ierr);
ierr = AOCreateMemoryScalable(PETSC_COMM_WORLD,n,app,NULL,&ao);CHKERRQ(ierr);
ierr = ISRestoreIndices(isapp,&app);CHKERRQ(ierr);
ierr = AOPetscToApplication(ao,4,getapp4);CHKERRQ(ierr);
ierr = AOApplicationToPetsc(ao,3,getpetsc4);CHKERRQ(ierr);
/* Check accuracy */;
for (i=0; i<4; i++) {
if (getapp4[i] != getapp[i]) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"getapp4 %d != getapp %d",getapp4[i],getapp[i]);
}
for (i=0; i<3; i++) {
if (getpetsc4[i] != getpetsc[i]) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"getpetsc4 %d != getpetsc %d",getpetsc4[i],getpetsc[i]);
}
ierr = AODestroy(&ao);CHKERRQ(ierr);
/* test general API */
/*------------------*/
ierr = PetscPrintf(PETSC_COMM_WORLD,"\nTest general API: \n");CHKERRQ(ierr);
ierr = AOCreate(PETSC_COMM_WORLD,&ao);CHKERRQ(ierr);
ierr = AOSetIS(ao,isapp,ispetsc);CHKERRQ(ierr);
ierr = AOSetType(ao,AOMEMORYSCALABLE);CHKERRQ(ierr);
ierr = AOSetFromOptions(ao);CHKERRQ(ierr);
/* ispetsc and isapp are nolonger used. */
ierr = ISDestroy(&ispetsc);CHKERRQ(ierr);
ierr = ISDestroy(&isapp);CHKERRQ(ierr);
ierr = AOPetscToApplication(ao,4,getapp3);CHKERRQ(ierr);
ierr = AOApplicationToPetsc(ao,3,getpetsc3);CHKERRQ(ierr);
ierr = PetscSynchronizedPrintf(PETSC_COMM_WORLD,"[%d] 2,1,9,7 PetscToApplication %D %D %D %D\n",rank,getapp3[0],getapp3[1],getapp3[2],getapp3[3]);CHKERRQ(ierr);
ierr = PetscSynchronizedPrintf(PETSC_COMM_WORLD,"[%d] 0,3,4 ApplicationToPetsc %D %D %D\n",rank,getpetsc3[0],getpetsc3[1],getpetsc3[2]);CHKERRQ(ierr);
ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr);
/* Check accuracy */;
for (i=0; i<4; i++) {
if (getapp3[i] != getapp[i]) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"getapp3 %d != getapp %d",getapp3[i],getapp[i]);
}
for (i=0; i<3; i++) {
if (getpetsc3[i] != getpetsc[i]) SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_USER,"getpetsc3 %d != getpetsc %d",getpetsc3[i],getpetsc[i]);
}
ierr = AODestroy(&ao);CHKERRQ(ierr);
ierr = PetscFinalize();
return ierr;
}
PETSC_EXTERN void PETSC_STDCALL aoview_(AO *ao,PetscViewer *viewer, PetscErrorCode *ierr)
{
PetscViewer v;
PetscPatchDefaultViewers_Fortran(viewer,v);
*ierr = AOView(*ao,v);
}