void
p4est_mesh_destroy (p4est_mesh_t * mesh)
{
int level = 0;
if (mesh->quad_to_tree != NULL) {
P4EST_FREE (mesh->quad_to_tree);
}
if (mesh->quad_level != NULL) {
for (level = 0; level <= P4EST_QMAXLEVEL; ++level) {
sc_array_reset (mesh->quad_level + level);
}
P4EST_FREE (mesh->quad_level);
}
P4EST_FREE (mesh->ghost_to_proc);
P4EST_FREE (mesh->quad_to_quad);
P4EST_FREE (mesh->quad_to_face);
sc_array_destroy (mesh->quad_to_half);
if (mesh->quad_to_corner != NULL) {
P4EST_FREE (mesh->quad_to_corner);
sc_array_destroy (mesh->corner_offset);
sc_array_destroy (mesh->corner_quad);
sc_array_destroy (mesh->corner_corner);
}
P4EST_FREE (mesh);
}
static void
coords_double_to_PetscScalar (sc_array_t * array)
{
sc_array_t *newarray;
size_t zz, count = array->elem_count;
P4EST_ASSERT (array->elem_size == 3 * sizeof (double));
if (sizeof (double) == sizeof (PetscScalar)) {
return;
}
newarray = sc_array_new_size (3 * sizeof (PetscScalar), array->elem_count);
for (zz = 0; zz < count; zz++) {
double *id = (double *) sc_array_index (array, zz);
PetscScalar *ip = (PetscScalar *) sc_array_index (newarray, zz);
ip[0] = (PetscScalar) id[0];
ip[1] = (PetscScalar) id[1];
ip[2] = (PetscScalar) id[2];
}
sc_array_reset (array);
sc_array_init_size (array, 3 * sizeof (PetscScalar), count);
sc_array_copy (array, newarray);
sc_array_destroy (newarray);
}
static void
p6est_profile_compress (p6est_profile_t * profile)
{
p4est_locidx_t nidx, il, old_off, nln =
profile->lnodes->num_local_nodes;
p4est_locidx_t (*lr)[2] = (p4est_locidx_t (*)[2]) profile->lnode_ranges;
sc_array_t *lc = profile->lnode_columns;
size_t old_count = lc->elem_count;
size_t new_count;
sc_array_t *perm;
size_t *newindex;
size_t zz, offset;
if (!old_count) {
return;
}
perm = sc_array_new_size (sizeof (size_t), old_count);
newindex = (size_t *) sc_array_index (perm, 0);
for (zz = 0; zz < old_count; zz++) {
newindex[zz] = old_count;
}
offset = 0;
for (nidx = 0; nidx < nln; nidx++) {
old_off = lr[nidx][0];
if (lr[nidx][1]) {
lr[nidx][0] = offset;
}
else {
P4EST_ASSERT (!lr[nidx][0]);
}
for (il = 0; il < lr[nidx][1]; il++) {
newindex[il + old_off] = offset++;
}
}
new_count = offset;
for (zz = 0; zz < old_count; zz++) {
if (newindex[zz] == old_count) {
newindex[zz] = offset++;
}
}
sc_array_permute (lc, perm, 0);
sc_array_destroy (perm);
sc_array_resize (lc, new_count);
}
static void
test_deflate (p4est_t * p4est)
{
p4est_gloidx_t *pertree;
p4est_t *p4est2;
sc_array_t *qarr, *darr;
pertree = P4EST_ALLOC (p4est_gloidx_t, p4est->connectivity->num_trees + 1);
p4est_comm_count_pertree (p4est, pertree);
darr = NULL;
qarr = p4est_deflate_quadrants (p4est, p4est->data_size > 0 ? &darr : NULL);
/* Data that describes the forest completely
(a) shared data (identical on all processors):
p4est->connectivity
p4est->global_first_quadrant (does not need to be stored away)
pertree
(b) per-processor data (partition independent after allgatherv):
qarr
darr (if per-quadrant data size is greater 0 and it should be saved)
*/
/* Create a forest from this information and compare */
p4est2 = p4est_inflate (p4est->mpicomm, p4est->connectivity,
p4est->global_first_quadrant, pertree,
qarr, darr, p4est->user_pointer);
SC_CHECK_ABORT (p4est_is_equal (p4est, p4est2, 1), "de/inflate");
p4est_destroy (p4est2);
/* clean up allocated memory */
P4EST_FREE (pertree);
sc_array_destroy (qarr);
if (darr != NULL) {
sc_array_destroy (darr);
}
}
void
p6est_profile_destroy (p6est_profile_t * profile)
{
p4est_lnodes_destroy (profile->lnodes);
if (profile->ghost_owned) {
p4est_ghost_destroy (profile->cghost);
}
if (profile->lnode_changed[0]) {
P4EST_ASSERT (profile->lnode_changed[1]);
P4EST_FREE (profile->lnode_changed[0]);
P4EST_FREE (profile->lnode_changed[1]);
P4EST_ASSERT (profile->enode_counts);
P4EST_FREE (profile->enode_counts);
}
P4EST_FREE (profile->lnode_ranges);
sc_array_destroy (profile->lnode_columns);
P4EST_FREE (profile);
}
static void
locidx_pair_to_PetscSFNode (sc_array_t * array)
{
sc_array_t *newarray;
size_t zz, count = array->elem_count;
P4EST_ASSERT (array->elem_size == 2 * sizeof (p4est_locidx_t));
newarray = sc_array_new_size (sizeof (PetscSFNode), array->elem_count);
for (zz = 0; zz < count; zz++) {
p4est_locidx_t *il = (p4est_locidx_t *) sc_array_index (array, zz);
PetscSFNode *ip = (PetscSFNode *) sc_array_index (newarray, zz);
ip->rank = (PetscInt) il[0];
ip->index = (PetscInt) il[1];
}
sc_array_reset (array);
sc_array_init_size (array, sizeof (PetscSFNode), count);
sc_array_copy (array, newarray);
sc_array_destroy (newarray);
}
static void
locidx_to_PetscInt (sc_array_t * array)
{
sc_array_t *newarray;
size_t zz, count = array->elem_count;
P4EST_ASSERT (array->elem_size == sizeof (p4est_locidx_t));
if (sizeof (p4est_locidx_t) == sizeof (PetscInt)) {
return;
}
newarray = sc_array_new_size (sizeof (PetscInt), array->elem_count);
for (zz = 0; zz < count; zz++) {
p4est_locidx_t il = *((p4est_locidx_t *) sc_array_index (array, zz));
PetscInt *ip = (PetscInt *) sc_array_index (newarray, zz);
*ip = (PetscInt) il;
}
sc_array_reset (array);
sc_array_init_size (array, sizeof (PetscInt), count);
sc_array_copy (array, newarray);
sc_array_destroy (newarray);
}
int
p6est_profile_sync (p6est_profile_t * profile)
{
p4est_lnodes_t *lnodes = profile->lnodes;
p4est_locidx_t nln = lnodes->num_local_nodes;
sc_array_t lrview;
p4est_lnodes_buffer_t *countbuf;
sc_array_t *sharers;
size_t zz, nsharers;
int nleft;
int8_t *recv, *send;
int *array_of_indices;
p4est_locidx_t recv_total;
p4est_locidx_t *recv_offsets, recv_offset;
p4est_locidx_t send_total;
p4est_locidx_t *send_offsets, send_offset;
p4est_locidx_t (*lr)[2];
sc_array_t *lc = profile->lnode_columns;
sc_MPI_Request *recv_request, *send_request;
sc_array_t *work;
int any_change = 0;
int any_global_change;
int mpiret, mpirank;
int evenodd = profile->evenodd;
lr = (p4est_locidx_t (*)[2]) profile->lnode_ranges;
sharers = lnodes->sharers;
nsharers = sharers->elem_count;
mpiret = sc_MPI_Comm_rank (lnodes->mpicomm, &mpirank);
SC_CHECK_MPI (mpiret);
sc_array_init_data (&lrview, lr, 2 * sizeof (p4est_locidx_t), nln);
countbuf = p4est_lnodes_share_all_begin (&lrview, lnodes);
send_offsets = P4EST_ALLOC (p4est_locidx_t, nsharers + 1);
send_offset = 0;
for (zz = 0; zz < nsharers; zz++) {
p4est_lnodes_rank_t *sharer;
sc_array_t *send_buf;
size_t zy, nnodes;
send_offsets[zz] = send_offset;
sharer = p4est_lnodes_rank_array_index (sharers, zz);
if (sharer->rank == mpirank) {
continue;
}
send_buf = (sc_array_t *) sc_array_index (countbuf->send_buffers, zz);
nnodes = sharer->shared_nodes.elem_count;
P4EST_ASSERT (nnodes == send_buf->elem_count);
P4EST_ASSERT (send_buf->elem_size == 2 * sizeof (p4est_locidx_t));
for (zy = 0; zy < nnodes; zy++) {
p4est_locidx_t *lp =
(p4est_locidx_t *) sc_array_index (send_buf, zy);
P4EST_ASSERT (lp[0] >= 0);
P4EST_ASSERT (lp[1] >= 0);
send_offset += lp[1];
}
}
send_total = send_offsets[nsharers] = send_offset;
p4est_lnodes_share_all_end (countbuf);
recv_offsets = P4EST_ALLOC (p4est_locidx_t, nsharers + 1);
recv_offset = 0;
for (zz = 0; zz < nsharers; zz++) {
p4est_lnodes_rank_t *sharer;
sc_array_t *recv_buf;
size_t zy, nnodes;
recv_offsets[zz] = recv_offset;
sharer = p4est_lnodes_rank_array_index (sharers, zz);
if (sharer->rank == mpirank) {
continue;
}
recv_buf = (sc_array_t *) sc_array_index (countbuf->recv_buffers, zz);
nnodes = sharer->shared_nodes.elem_count;
P4EST_ASSERT (nnodes == recv_buf->elem_count);
P4EST_ASSERT (recv_buf->elem_size == 2 * sizeof (p4est_locidx_t));
for (zy = 0; zy < nnodes; zy++) {
p4est_locidx_t *lp =
(p4est_locidx_t *) sc_array_index (recv_buf, zy);
P4EST_ASSERT (lp[0] >= 0);
P4EST_ASSERT (lp[1] >= 0);
recv_offset += lp[1];
}
}
recv_total = recv_offsets[nsharers] = recv_offset;
recv = P4EST_ALLOC (int8_t, recv_total);
recv_request = P4EST_ALLOC (sc_MPI_Request, nsharers);
send = P4EST_ALLOC (int8_t, send_total);
send_request = P4EST_ALLOC (sc_MPI_Request, nsharers);
/* post receives */
nleft = 0;
for (zz = 0; zz < nsharers; zz++) {
p4est_lnodes_rank_t *sharer;
int icount = recv_offsets[zz + 1] - recv_offsets[zz];
sharer = p4est_lnodes_rank_array_index (sharers, zz);
if (sharer->rank == mpirank) {
recv_request[zz] = sc_MPI_REQUEST_NULL;
continue;
}
if (icount) {
mpiret =
sc_MPI_Irecv (recv + recv_offsets[zz], icount * sizeof (int8_t),
sc_MPI_BYTE, sharer->rank, P6EST_COMM_BALANCE,
lnodes->mpicomm, recv_request + zz);
SC_CHECK_MPI (mpiret);
nleft++;
}
else {
recv_request[zz] = sc_MPI_REQUEST_NULL;
}
}
/* post sends */
for (zz = 0; zz < nsharers; zz++) {
p4est_lnodes_rank_t *sharer;
size_t zy, nnodes;
int icount;
sc_array_t *shared_nodes;
sharer = p4est_lnodes_rank_array_index (sharers, zz);
if (sharer->rank == mpirank) {
send_request[zz] = sc_MPI_REQUEST_NULL;
continue;
}
shared_nodes = &sharer->shared_nodes;
nnodes = shared_nodes->elem_count;
icount = 0;
for (zy = 0; zy < nnodes; zy++) {
p4est_locidx_t nidx;
int8_t *c;
nidx = *((p4est_locidx_t *) sc_array_index (shared_nodes, zy));
if (lr[nidx][1]) {
c = (int8_t *) sc_array_index (lc, lr[nidx][0]);
memcpy (send + send_offsets[zz] + icount, c,
lr[nidx][1] * sizeof (int8_t));
icount += lr[nidx][1];
}
else {
P4EST_ASSERT (!lr[nidx][0]);
}
}
P4EST_ASSERT (icount == send_offsets[zz + 1] - send_offsets[zz]);
if (icount) {
mpiret =
sc_MPI_Isend (send + send_offsets[zz], icount * sizeof (int8_t),
sc_MPI_BYTE, sharer->rank, P6EST_COMM_BALANCE,
lnodes->mpicomm, send_request + zz);
SC_CHECK_MPI (mpiret);
}
else {
send_request[zz] = sc_MPI_REQUEST_NULL;
}
}
work = sc_array_new (sizeof (int8_t));
array_of_indices = P4EST_ALLOC (int, nsharers);
while (nleft) {
int outcount;
int i;
mpiret = sc_MPI_Waitsome (nsharers, recv_request, &outcount,
array_of_indices, sc_MPI_STATUSES_IGNORE);
SC_CHECK_MPI (mpiret);
for (i = 0; i < outcount; i++) {
p4est_lnodes_rank_t *sharer;
size_t zy, nnode;
sc_array_t *shared_nodes;
sc_array_t *recv_buf;
zz = array_of_indices[i];
sharer = p4est_lnodes_rank_array_index (sharers, zz);
shared_nodes = &sharer->shared_nodes;
recv_buf = (sc_array_t *) sc_array_index (countbuf->recv_buffers, zz);
nnode = shared_nodes->elem_count;
P4EST_ASSERT (nnode == recv_buf->elem_count);
recv_offset = recv_offsets[zz];
for (zy = 0; zy < nnode; zy++) {
p4est_locidx_t *lp;
p4est_locidx_t nidx;
sc_array_t oldview, newview;
nidx = *((p4est_locidx_t *) sc_array_index (shared_nodes, zy));
lp = (p4est_locidx_t *) sc_array_index (recv_buf, zy);
sc_array_init_view (&oldview, lc, lr[nidx][0], lr[nidx][1]);
sc_array_init_data (&newview, recv + recv_offset, sizeof (int8_t),
lp[1]);
if (profile->ptype == P6EST_PROFILE_UNION) {
p6est_profile_union (&oldview, &newview, work);
if (work->elem_count > oldview.elem_count) {
int8_t *c;
any_change = 1;
lr[nidx][0] = lc->elem_count;
lr[nidx][1] = work->elem_count;
profile->lnode_changed[evenodd][nidx] = 1;
c = (int8_t *) sc_array_push_count (lc, work->elem_count);
memcpy (c, work->array, work->elem_count * work->elem_size);
}
}
else {
p6est_profile_intersection (&oldview, &newview, work);
P4EST_ASSERT (work->elem_count <= oldview.elem_count);
if (work->elem_count < oldview.elem_count) {
lr[nidx][1] = work->elem_count;
memcpy (oldview.array, work->array,
work->elem_count * work->elem_size);
}
}
recv_offset += lp[1];
}
P4EST_ASSERT (recv_offset == recv_offsets[zz + 1]);
}
nleft -= outcount;
P4EST_ASSERT (nleft >= 0);
}
P4EST_FREE (array_of_indices);
sc_array_destroy (work);
p6est_profile_compress (profile);
p4est_lnodes_buffer_destroy (countbuf);
P4EST_FREE (recv_request);
P4EST_FREE (recv_offsets);
P4EST_FREE (recv);
{
mpiret = sc_MPI_Waitall (nsharers, send_request, sc_MPI_STATUSES_IGNORE);
SC_CHECK_MPI (mpiret);
P4EST_FREE (send_request);
P4EST_FREE (send_offsets);
P4EST_FREE (send);
any_global_change = any_change;
mpiret = sc_MPI_Allreduce (&any_change, &any_global_change, 1, sc_MPI_INT,
sc_MPI_LOR, lnodes->mpicomm);
SC_CHECK_MPI (mpiret);
}
return any_global_change;
}
void
p6est_profile_balance_local (p6est_profile_t * profile)
{
p4est_lnodes_t *lnodes = profile->lnodes;
p4est_locidx_t nln, nle;
p4est_locidx_t *en, (*lr)[2];
sc_array_t *lc;
int i, j;
p4est_locidx_t nidx, enidx, eidx;
p8est_connect_type_t btype = profile->btype;
p4est_connect_type_t hbtype;
int8_t *c;
sc_array_t *thisprof;
sc_array_t *selfprof;
sc_array_t *faceprof;
sc_array_t *cornerprof;
sc_array_t *work;
sc_array_t oldprof;
sc_array_t testprof;
int any_prof_change;
int any_local_change;
int evenodd = profile->evenodd;
p4est_qcoord_t diff = profile->diff;
P4EST_ASSERT (profile->lnodes->degree == 2);
if (btype == P8EST_CONNECT_FACE) {
hbtype = P4EST_CONNECT_FACE;
}
else {
hbtype = P4EST_CONNECT_FULL;
}
en = lnodes->element_nodes;
nln = lnodes->num_local_nodes;
nle = lnodes->num_local_elements;
lr = (p4est_locidx_t (*)[2]) profile->lnode_ranges;
lc = profile->lnode_columns;
selfprof = sc_array_new (sizeof (int8_t));
work = sc_array_new (sizeof (int8_t));
faceprof = sc_array_new (sizeof (int8_t));
cornerprof = sc_array_new (sizeof (int8_t));
do {
/* We read from evenodd and write to evenodd ^ 1 */
memset (&(profile->lnode_changed[evenodd ^ 1][0]), 0, sizeof (int) * nln);
P4EST_GLOBAL_VERBOSE ("p6est_balance local loop\n");
any_local_change = 0;
for (eidx = 0, enidx = 0; eidx < nle; eidx++) {
p4est_locidx_t start_enidx = enidx;
nidx = en[start_enidx + P4EST_INSUL / 2];
P4EST_ASSERT (lr[nidx][1]);
sc_array_init_view (&oldprof, lc, lr[nidx][0], lr[nidx][1]);
thisprof = &oldprof;
any_prof_change = 0;
for (j = 0; j < 3; j++) {
for (i = 0; i < 3; i++, enidx++) {
nidx = en[enidx];
if (!profile->lnode_changed[evenodd][nidx]) {
/* if the profile hasn't changed since I wrote to it, there's no
* need to balance against it */
continue;
}
if (i != 1 && j != 1) {
if (hbtype == P4EST_CONNECT_FACE) {
/* skip corners if we don't need to balance them */
P4EST_ASSERT (!lr[nidx][0]);
P4EST_ASSERT (!lr[nidx][1]);
continue;
}
}
if (i == 1 && j == 1) {
/* no need to further balance against oneself */
continue;
}
P4EST_ASSERT (lr[nidx][1]);
P4EST_ASSERT (profile->enode_counts[enidx] <= lr[nidx][1]);
if (profile->enode_counts[enidx] == lr[nidx][1]) {
/* if the profile hasn't changed since I wrote to it, there's no
* need to balance against it */
continue;
}
sc_array_init_view (&testprof, lc, lr[nidx][0], lr[nidx][1]);
p6est_profile_union (thisprof, &testprof, work);
if (work->elem_count > thisprof->elem_count) {
P4EST_ASSERT (profile->lnode_changed[evenodd][nidx]);
any_prof_change = 1;
sc_array_copy (selfprof, work);
thisprof = selfprof;
}
}
}
if (any_prof_change) {
P4EST_ASSERT (thisprof == selfprof);
P4EST_ASSERT (selfprof->elem_count > oldprof.elem_count);
/* update */
if (btype == P8EST_CONNECT_FACE) {
p6est_profile_balance_face (selfprof, faceprof, work, diff);
}
else {
p6est_profile_balance_full (selfprof, faceprof, work, diff);
}
if (btype == P8EST_CONNECT_EDGE) {
p6est_profile_balance_face (selfprof, cornerprof, work, diff);
}
else if (btype == P8EST_CONNECT_FULL) {
p6est_profile_balance_full (selfprof, cornerprof, work, diff);
}
enidx = start_enidx;
for (j = 0; j < 3; j++) {
for (i = 0; i < 3; i++, enidx++) {
thisprof = NULL;
nidx = en[enidx];
if (i != 1 && j != 1) {
if (hbtype == P4EST_CONNECT_FACE) {
/* skip corners if we don't need to balance them */
P4EST_ASSERT (!lr[nidx][0]);
P4EST_ASSERT (!lr[nidx][1]);
continue;
}
else {
thisprof = cornerprof;
}
}
else if (i == 1 && j == 1) {
thisprof = selfprof;
}
else {
thisprof = faceprof;
}
P4EST_ASSERT (lr[nidx][1]);
/* if this node has been initialized, combine the two profiles,
* taking the finer layers from each */
sc_array_init_view (&oldprof, lc, lr[nidx][0], lr[nidx][1]);
if (i == 1 && j == 1) {
sc_array_copy (work, thisprof);
}
else {
p6est_profile_union (thisprof, &oldprof, work);
}
if (work->elem_count > oldprof.elem_count) {
if (!(i == 1 && j == 1)) { /* we don't count changing self */
profile->lnode_changed[evenodd ^ 1][nidx] = 1;
any_local_change = 1;
}
lr[nidx][0] = lc->elem_count;
lr[nidx][1] = work->elem_count;
c = (int8_t *) sc_array_push_count (lc, work->elem_count);
memcpy (c, work->array, work->elem_count * work->elem_size);
}
profile->enode_counts[enidx] = lr[nidx][1];
}
}
}
}
p6est_profile_compress (profile);
evenodd ^= 1;
} while (any_local_change);
profile->evenodd = evenodd;
sc_array_destroy (selfprof);
sc_array_destroy (faceprof);
sc_array_destroy (cornerprof);
sc_array_destroy (work);
}
p6est_profile_t *
p6est_profile_new_local (p6est_t * p6est,
p6est_ghost_t * ghost,
p6est_profile_type_t ptype,
p8est_connect_type_t btype, int degree)
{
p6est_profile_t *profile = P4EST_ALLOC (p6est_profile_t, 1);
p4est_lnodes_t *lnodes;
p4est_locidx_t nln, nle;
p4est_topidx_t jt;
p4est_t *columns = p6est->columns;
p4est_tree_t *tree;
sc_array_t *tquadrants;
p4est_quadrant_t *col;
p4est_qcoord_t diff = P4EST_ROOT_LEN - p6est->root_len;
size_t first, last, count, zz, zy;
p4est_locidx_t *en, (*lr)[2];
sc_array_t *lc;
int i, j;
p2est_quadrant_t *layer;
sc_array_t *layers = p6est->layers;
p4est_locidx_t nidx, enidx;
p4est_connect_type_t hbtype;
int8_t *c;
sc_array_t *thisprof;
sc_array_t *selfprof;
sc_array_t *faceprof;
sc_array_t *cornerprof;
sc_array_t *work;
sc_array_t oldprof;
const int Nrp = degree + 1;
P4EST_ASSERT (degree > 1);
profile->ptype = ptype;
profile->btype = btype;
profile->lnode_changed[0] = NULL;
profile->lnode_changed[1] = NULL;
profile->enode_counts = NULL;
profile->diff = diff;
if (btype == P8EST_CONNECT_FACE) {
hbtype = P4EST_CONNECT_FACE;
}
else {
hbtype = P4EST_CONNECT_FULL;
}
if (ghost == NULL) {
profile->cghost = p4est_ghost_new (p6est->columns, P4EST_CONNECT_FULL);
profile->ghost_owned = 1;
}
else {
P4EST_ASSERT (ghost->column_ghost->btype == P4EST_CONNECT_FULL);
profile->cghost = ghost->column_ghost;
profile->ghost_owned = 0;
}
if (ptype == P6EST_PROFILE_UNION) {
P4EST_ASSERT (degree == 2);
}
profile->lnodes = lnodes = p4est_lnodes_new (p6est->columns,
profile->cghost, degree);
en = lnodes->element_nodes;
nln = lnodes->num_local_nodes;
nle = lnodes->num_local_elements;
profile->lnode_ranges = P4EST_ALLOC_ZERO (p4est_locidx_t, 2 * nln);
lr = (p4est_locidx_t (*)[2]) profile->lnode_ranges;
profile->lnode_columns = lc = sc_array_new (sizeof (int8_t));
selfprof = sc_array_new (sizeof (int8_t));
work = sc_array_new (sizeof (int8_t));
faceprof = sc_array_new (sizeof (int8_t));
cornerprof = sc_array_new (sizeof (int8_t));
if (ptype == P6EST_PROFILE_UNION) {
profile->lnode_changed[0] = P4EST_ALLOC (p4est_locidx_t, nln);
profile->lnode_changed[1] = P4EST_ALLOC (p4est_locidx_t, nln);
profile->enode_counts = P4EST_ALLOC (p4est_locidx_t, P4EST_INSUL * nle);
profile->evenodd = 0;
memset (profile->lnode_changed[0], -1, nln * sizeof (int));
}
/* create the profiles for each node: layers are reduced to just their level
* */
for (enidx = 0, jt = columns->first_local_tree;
jt <= columns->last_local_tree; ++jt) {
tree = p4est_tree_array_index (columns->trees, jt);
tquadrants = &tree->quadrants;
for (zz = 0; zz < tquadrants->elem_count; ++zz) {
col = p4est_quadrant_array_index (tquadrants, zz);
P6EST_COLUMN_GET_RANGE (col, &first, &last);
count = last - first;
sc_array_truncate (selfprof);
c = (int8_t *) sc_array_push_count (selfprof, count);
for (zy = first; zy < last; zy++) {
layer = p2est_quadrant_array_index (layers, zy);
*(c++) = layer->level;
}
if (ptype == P6EST_PROFILE_UNION) {
p6est_profile_balance_self (selfprof, work);
if (btype == P8EST_CONNECT_FACE) {
p6est_profile_balance_face (selfprof, faceprof, work, diff);
}
else {
p6est_profile_balance_full (selfprof, faceprof, work, diff);
}
if (btype == P8EST_CONNECT_EDGE) {
p6est_profile_balance_face (selfprof, cornerprof, work, diff);
}
else if (btype == P8EST_CONNECT_FULL) {
p6est_profile_balance_full (selfprof, cornerprof, work, diff);
}
}
for (j = 0; j < Nrp; j++) {
for (i = 0; i < Nrp; i++, enidx++) {
nidx = en[enidx];
if (ptype == P6EST_PROFILE_UNION) {
thisprof = NULL;
if (!(i % degree) && !(j % degree)) {
if (hbtype == P4EST_CONNECT_FACE) {
/* skip corners if we don't need to balance them */
P4EST_ASSERT (!lr[nidx][0]);
P4EST_ASSERT (!lr[nidx][1]);
continue;
}
else {
thisprof = cornerprof;
}
}
else if ((i % degree) && (j % degree)) {
thisprof = selfprof;
}
else {
thisprof = faceprof;
}
count = thisprof->elem_count;
profile->enode_counts[enidx] = count;
if (!lr[nidx][1]) {
/* if this node has not yet been initialized, initialize it */
lr[nidx][0] = lc->elem_count;
lr[nidx][1] = count;
c = (int8_t *) sc_array_push_count (lc, count);
memcpy (c, thisprof->array, count * sizeof (int8_t));
}
else {
/* if this node has been initialized, combine the two profiles,
* taking the finer layers from each */
sc_array_init_view (&oldprof, lc, lr[nidx][0], lr[nidx][1]);
p6est_profile_union (thisprof, &oldprof, work);
if (work->elem_count > oldprof.elem_count) {
lr[nidx][0] = lc->elem_count;
lr[nidx][1] = work->elem_count;
c = (int8_t *) sc_array_push_count (lc, work->elem_count);
memcpy (c, work->array, work->elem_count * work->elem_size);
}
}
}
else {
count = selfprof->elem_count;
if (!lr[nidx][1]) {
/* if this node has not yet been initialized, initialize it */
lr[nidx][0] = lc->elem_count;
lr[nidx][1] = count;
c = (int8_t *) sc_array_push_count (lc, count);
memcpy (c, selfprof->array, count * sizeof (int8_t));
}
else {
/* if this node has been initialized, combine the two profiles,
* taking the coarser layers from each */
sc_array_init_view (&oldprof, lc, lr[nidx][0], lr[nidx][1]);
p6est_profile_intersection (selfprof, &oldprof, work);
P4EST_ASSERT (work->elem_count <= oldprof.elem_count);
if (work->elem_count < oldprof.elem_count) {
lr[nidx][1] = work->elem_count;
memcpy (oldprof.array, work->array,
work->elem_count * work->elem_size);
}
}
}
}
}
}
}
p6est_profile_compress (profile);
sc_array_destroy (selfprof);
sc_array_destroy (faceprof);
sc_array_destroy (cornerprof);
sc_array_destroy (work);
return profile;
}
int
main (int argc, char **argv)
{
int i, i1, i2, i3, i3last, i4, i4last, temp, count;
size_t s, swaps1, swaps2, swaps3, total1, total2, total3;
ssize_t searched;
int *pi;
sc_array_t *a1, *a2, *a3, *a4;
int mpiret;
double start, elapsed_pqueue, elapsed_qsort;
mpiret = sc_MPI_Init (&argc, &argv);
SC_CHECK_MPI (mpiret);
sc_init (sc_MPI_COMM_WORLD, 1, 1, NULL, SC_LP_DEFAULT);
a1 = sc_array_new (sizeof (int));
a2 = sc_array_new (sizeof (int));
a3 = sc_array_new (sizeof (int));
a4 = sc_array_new (sizeof (int));
#ifdef THEBIGTEST
count = 325323;
#else
count = 3251;
#endif
SC_INFOF ("Test pqueue with count %d\n", count);
start = -sc_MPI_Wtime ();
swaps1 = swaps2 = swaps3 = 0;
total1 = total2 = total3 = 0;
for (i = 0; i < count; ++i) {
*(int *) sc_array_push (a1) = i;
s = sc_array_pqueue_add (a1, &temp, compar);
swaps1 += ((s > 0) ? 1 : 0);
total1 += s;
*(int *) sc_array_push (a2) = count - i - 1;
s = sc_array_pqueue_add (a2, &temp, compar);
swaps2 += ((s > 0) ? 1 : 0);
total2 += s;
*(int *) sc_array_push (a3) = (15 * i) % 172;
s = sc_array_pqueue_add (a3, &temp, compar);
swaps3 += ((s > 0) ? 1 : 0);
total3 += s;
}
SC_CHECK_ABORT (swaps1 == 0 && total1 == 0, "pqueue_add");
SC_VERBOSEF (" Swaps %lld %lld %lld Total %lld %lld %lld\n",
(long long) swaps1, (long long) swaps2, (long long) swaps3,
(long long) total1, (long long) total2, (long long) total3);
temp = 52;
searched = sc_array_bsearch (a1, &temp, compar);
SC_CHECK_ABORT (searched != -1, "array_bsearch_index");
pi = (int *) sc_array_index_ssize_t (a1, searched);
SC_CHECK_ABORT (*pi == temp, "array_bsearch");
i3last = -1;
swaps1 = swaps2 = swaps3 = 0;
total1 = total2 = total3 = 0;
for (i = 0; i < count; ++i) {
s = sc_array_pqueue_pop (a1, &i1, compar);
swaps1 += ((s > 0) ? 1 : 0);
total1 += s;
s = sc_array_pqueue_pop (a2, &i2, compar);
swaps2 += ((s > 0) ? 1 : 0);
total2 += s;
s = sc_array_pqueue_pop (a3, &i3, compar);
swaps3 += ((s > 0) ? 1 : 0);
total3 += s;
SC_CHECK_ABORT (i == i1 && i == i2, "pqueue_pop");
SC_CHECK_ABORT (i3 >= i3last, "pqueue_pop");
i3last = i3;
}
SC_VERBOSEF (" Swaps %lld %lld %lld Total %lld %lld %lld\n",
(long long) swaps1, (long long) swaps2, (long long) swaps3,
(long long) total1, (long long) total2, (long long) total3);
elapsed_pqueue = start + sc_MPI_Wtime ();
sc_array_destroy (a1);
sc_array_destroy (a2);
sc_array_destroy (a3);
SC_INFOF ("Test array sort with count %d\n", count);
start = -sc_MPI_Wtime ();
/* the resize is done to be comparable with the above procedure */
for (i = 0; i < count; ++i) {
*(int *) sc_array_push (a4) = (15 * i) % 172;
}
sc_array_sort (a4, compar);
i4last = -1;
for (i = 0; i < count; ++i) {
i4 = *(int *) sc_array_index_int (a4, i);
SC_CHECK_ABORT (i4 >= i4last, "array_sort");
i4last = i4;
}
sc_array_resize (a4, 0);
elapsed_qsort = start + sc_MPI_Wtime ();
SC_STATISTICSF ("Test timings pqueue %g qsort %g\n",
elapsed_pqueue, 3. * elapsed_qsort);
sc_array_destroy (a4);
sc_finalize ();
mpiret = sc_MPI_Finalize ();
SC_CHECK_MPI (mpiret);
return 0;
}
void
p6est_refine_to_profile (p6est_t * p6est, p6est_profile_t * profile,
p6est_init_t init_fn, p6est_replace_t replace_fn)
{
size_t zz, zy, first, last;
p4est_topidx_t jt;
p4est_quadrant_t *col;
p4est_tree_t *tree;
sc_array_t *tquadrants;
p4est_locidx_t eidx;
p4est_locidx_t *en = profile->lnodes->element_nodes;
p4est_locidx_t (*lr)[2];
p4est_locidx_t nidx, pidx, pfirst, plast;
sc_array_t *layers = p6est->layers;
sc_array_t *lc = profile->lnode_columns;
sc_array_t *work;
P4EST_ASSERT (profile->lnodes->degree == 2);
lr = (p4est_locidx_t (*)[2]) profile->lnode_ranges;
work = sc_array_new (sizeof (p2est_quadrant_t));
for (eidx = 0, jt = p6est->columns->first_local_tree;
jt <= p6est->columns->last_local_tree; ++jt) {
tree = p4est_tree_array_index (p6est->columns->trees, jt);
tquadrants = &tree->quadrants;
for (zz = 0; zz < tquadrants->elem_count; ++zz, eidx++) {
col = p4est_quadrant_array_index (tquadrants, zz);
P6EST_COLUMN_GET_RANGE (col, &first, &last);
nidx = en[P4EST_INSUL * eidx + P4EST_INSUL / 2];
P4EST_ASSERT ((size_t) lr[nidx][1] >= last - first);
pfirst = lr[nidx][0];
plast = pfirst + lr[nidx][1];
if ((size_t) lr[nidx][1] > last - first) {
p2est_quadrant_t stack[P4EST_QMAXLEVEL];
p2est_quadrant_t *q, *r, s, t;
int stackcount;
sc_array_truncate (work);
stackcount = 0;
zy = first;
for (pidx = pfirst; pidx < plast; pidx++) {
int8_t p;
P4EST_ASSERT (stackcount || zy < last);
p = *((int8_t *) sc_array_index (lc, pidx));
if (stackcount) {
q = &(stack[--stackcount]);
}
else {
q = p2est_quadrant_array_index (layers, zy++);
}
P4EST_ASSERT (q->level <= p);
while (q->level < p) {
p2est_quadrant_t *child[2];
t = *q;
s = *q;
s.level++;
stack[stackcount] = s;
stack[stackcount].z += P4EST_QUADRANT_LEN (s.level);
child[0] = &s;
child[1] = &stack[stackcount++];
p6est_layer_init_data (p6est, jt, col, child[0], init_fn);
p6est_layer_init_data (p6est, jt, col, child[1], init_fn);
q = &t;
if (replace_fn) {
replace_fn (p6est, jt, 1, 1, &col, &q, 1, 2, &col, child);
}
p6est_layer_free_data (p6est, &t);
q = &s;
}
r = p2est_quadrant_array_push (work);
*r = *q;
}
P4EST_ASSERT (work->elem_count == (size_t) lr[nidx][1]);
first = layers->elem_count;
last = first + work->elem_count;
P6EST_COLUMN_SET_RANGE (col, first, last);
q = (p2est_quadrant_t *) sc_array_push_count (layers,
work->elem_count);
memcpy (q, work->array, work->elem_count * work->elem_size);
}
}
}
sc_array_destroy (work);
p6est_compress_columns (p6est);
p6est_update_offsets (p6est);
}
int
main (int argc, char **argv)
{
p4est_quadrant_t root;
p4est_quadrant_t p;
p4est_quadrant_t q;
p4est_quadrant_t desc;
int face, corner;
#ifndef P4_TO_P8
int maxlevel = 9;
#else
int edge;
int maxlevel = 6;
#endif
int mpiret, mpisize, mpirank;
sc_MPI_Comm mpicomm;
uint64_t i, ifirst, ilast;
int level;
sc_array_t *seeds, *seeds_check;
int testval;
int checkval;
int j, nrand = 1000;
/* initialize MPI */
mpiret = sc_MPI_Init (&argc, &argv);
SC_CHECK_MPI (mpiret);
mpicomm = sc_MPI_COMM_WORLD;
mpiret = sc_MPI_Comm_size (mpicomm, &mpisize);
SC_CHECK_MPI (mpiret);
mpiret = sc_MPI_Comm_rank (mpicomm, &mpirank);
SC_CHECK_MPI (mpiret);
srandom (9212007);
sc_init (mpicomm, 1, 1, NULL, SC_LP_DEFAULT);
p4est_init (NULL, SC_LP_DEFAULT);
seeds = sc_array_new (sizeof (p4est_quadrant_t));
seeds_check = sc_array_new (sizeof (p4est_quadrant_t));
memset (&root, 0, sizeof (p4est_quadrant_t));
root.level = 2;
root.x = P4EST_QUADRANT_LEN (2);
root.y = P4EST_QUADRANT_LEN (2);
#ifdef P4_TO_P8
root.z = P4EST_QUADRANT_LEN (2);
#endif
P4EST_QUADRANT_INIT (&p);
P4EST_QUADRANT_INIT (&q);
#if 1
for (face = 0; face < P4EST_FACES; face++) {
p4est_quadrant_face_neighbor (&root, face ^ 1, &p);
P4EST_GLOBAL_VERBOSEF ("Testing face %d\n", face);
for (level = 4; level <= maxlevel; level++) {
P4EST_GLOBAL_VERBOSEF (" level %d\n", level);
p4est_quadrant_first_descendant (&root, &desc, level);
ifirst = p4est_quadrant_linear_id (&desc, level);
p4est_quadrant_last_descendant (&root, &desc, level);
ilast = p4est_quadrant_linear_id (&desc, level);
for (i = ifirst; i <= ilast; i += P4EST_CHILDREN) {
p4est_quadrant_set_morton (&q, level, i);
#ifndef P4_TO_P8
testval = p4est_balance_seeds_face (&q, &p, face, P4EST_CONNECT_FACE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P4EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p4est_balance_seeds_face error");
compare_seeds (seeds, seeds_check);
#else
testval = p4est_balance_seeds_face (&q, &p, face, P8EST_CONNECT_FACE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_face error");
compare_seeds (seeds, seeds_check);
testval = p4est_balance_seeds_face (&q, &p, face, P8EST_CONNECT_EDGE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_EDGE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_face error");
compare_seeds (seeds, seeds_check);
#endif
testval = p4est_balance_seeds_face (&q, &p, face, P4EST_CONNECT_FULL,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P4EST_CONNECT_FULL,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p4est_balance_seeds_face error");
compare_seeds (seeds, seeds_check);
}
}
if (!face) {
P4EST_GLOBAL_VERBOSE (" random levels\n");
for (j = 0; j < (int) nrand; j++) {
level = ((random ()) % (P4EST_QMAXLEVEL - maxlevel)) + maxlevel + 1;
p4est_quadrant_first_descendant (&root, &desc, level);
ifirst = p4est_quadrant_linear_id (&desc, level);
p4est_quadrant_last_descendant (&root, &desc, level);
ilast = p4est_quadrant_linear_id (&desc, level);
i = ((random ()) % (ilast + 1 - ifirst)) + ifirst;
p4est_quadrant_set_morton (&q, level, i);
#ifndef P4_TO_P8
testval = p4est_balance_seeds_face (&q, &p, face, P4EST_CONNECT_FACE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P4EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p4est_balance_seeds_face error");
compare_seeds (seeds, seeds_check);
#else
testval = p4est_balance_seeds_face (&q, &p, face, P8EST_CONNECT_FACE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_face error");
compare_seeds (seeds, seeds_check);
testval = p4est_balance_seeds_face (&q, &p, face, P8EST_CONNECT_EDGE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_EDGE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_face error");
compare_seeds (seeds, seeds_check);
#endif
testval = p4est_balance_seeds_face (&q, &p, face, P4EST_CONNECT_FULL,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P4EST_CONNECT_FULL,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p4est_balance_seeds_face error");
compare_seeds (seeds, seeds_check);
}
}
}
#ifdef P4_TO_P8
for (edge = 0; edge < P8EST_EDGES; edge++) {
p8est_quadrant_edge_neighbor (&root, edge ^ 3, &p);
P4EST_GLOBAL_VERBOSEF ("Testing edge %d\n", edge);
for (level = 4; level <= maxlevel; level++) {
P4EST_GLOBAL_VERBOSEF (" level %d\n", level);
p4est_quadrant_first_descendant (&root, &desc, level);
ifirst = p4est_quadrant_linear_id (&desc, level);
p4est_quadrant_last_descendant (&root, &desc, level);
ilast = p4est_quadrant_linear_id (&desc, level);
for (i = ifirst; i <= ilast; i += P4EST_CHILDREN) {
p4est_quadrant_set_morton (&q, level, i);
testval = p8est_balance_seeds_edge (&q, &p, edge, P8EST_CONNECT_FACE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_edge error");
compare_seeds (seeds, seeds_check);
testval = p8est_balance_seeds_edge (&q, &p, edge, P8EST_CONNECT_EDGE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_EDGE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_edge error");
compare_seeds (seeds, seeds_check);
testval = p8est_balance_seeds_edge (&q, &p, edge, P8EST_CONNECT_FULL,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_FULL,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_edge error");
compare_seeds (seeds, seeds_check);
}
}
if (!edge) {
P4EST_GLOBAL_VERBOSE (" random levels\n");
for (j = 0; j < (int) nrand; j++) {
level = ((random ()) % (P4EST_QMAXLEVEL - maxlevel)) + maxlevel + 1;
p4est_quadrant_first_descendant (&root, &desc, level);
ifirst = p4est_quadrant_linear_id (&desc, level);
p4est_quadrant_last_descendant (&root, &desc, level);
ilast = p4est_quadrant_linear_id (&desc, level);
i = ((random ()) % (ilast + 1 - ifirst)) + ifirst;
p4est_quadrant_set_morton (&q, level, i);
testval = p8est_balance_seeds_edge (&q, &p, edge, P8EST_CONNECT_FACE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_edge error");
compare_seeds (seeds, seeds_check);
testval = p8est_balance_seeds_edge (&q, &p, edge, P8EST_CONNECT_EDGE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_EDGE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_edge error");
compare_seeds (seeds, seeds_check);
testval = p8est_balance_seeds_edge (&q, &p, edge, P8EST_CONNECT_FULL,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_FULL,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_edge error");
compare_seeds (seeds, seeds_check);
}
}
}
#endif
#endif
for (corner = 0; corner < P4EST_FACES; corner++) {
p4est_quadrant_corner_neighbor (&root, corner ^ (P4EST_CHILDREN - 1), &p);
P4EST_GLOBAL_VERBOSEF ("Testing corner %d\n", corner);
for (level = 4; level <= maxlevel; level++) {
P4EST_GLOBAL_VERBOSEF (" level %d\n", level);
p4est_quadrant_first_descendant (&root, &desc, level);
ifirst = p4est_quadrant_linear_id (&desc, level);
p4est_quadrant_last_descendant (&root, &desc, level);
ilast = p4est_quadrant_linear_id (&desc, level);
for (i = ifirst; i <= ilast; i += P4EST_CHILDREN) {
p4est_quadrant_set_morton (&q, level, i);
#ifndef P4_TO_P8
testval =
p4est_balance_seeds_corner (&q, &p, corner, P4EST_CONNECT_FACE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P4EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p4est_balance_seeds_corner error");
compare_seeds (seeds, seeds_check);
#else
testval = p4est_balance_seeds_corner (&q, &p, corner,
P8EST_CONNECT_FACE, seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_corner error");
compare_seeds (seeds, seeds_check);
testval =
p4est_balance_seeds_corner (&q, &p, corner, P8EST_CONNECT_EDGE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_EDGE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_corner error");
compare_seeds (seeds, seeds_check);
#endif
testval =
p4est_balance_seeds_corner (&q, &p, corner, P4EST_CONNECT_FULL,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P4EST_CONNECT_FULL,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p4est_balance_seeds_corner error");
compare_seeds (seeds, seeds_check);
}
}
if (!corner) {
P4EST_GLOBAL_VERBOSE (" random levels\n");
for (j = 0; j < (int) nrand; j++) {
level = ((random ()) % (P4EST_QMAXLEVEL - maxlevel)) + maxlevel + 1;
p4est_quadrant_first_descendant (&root, &desc, level);
ifirst = p4est_quadrant_linear_id (&desc, level);
p4est_quadrant_last_descendant (&root, &desc, level);
ilast = p4est_quadrant_linear_id (&desc, level);
i = ((random ()) % (ilast + 1 - ifirst)) + ifirst;
p4est_quadrant_set_morton (&q, level, i);
#ifndef P4_TO_P8
testval =
p4est_balance_seeds_corner (&q, &p, corner, P4EST_CONNECT_FACE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P4EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p4est_balance_seeds_corner error");
compare_seeds (seeds, seeds_check);
#else
testval = p4est_balance_seeds_corner (&q, &p, corner,
P8EST_CONNECT_FACE, seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_FACE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_corner error");
compare_seeds (seeds, seeds_check);
testval =
p4est_balance_seeds_corner (&q, &p, corner, P8EST_CONNECT_EDGE,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P8EST_CONNECT_EDGE,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p8est_balance_seeds_corner error");
compare_seeds (seeds, seeds_check);
#endif
testval =
p4est_balance_seeds_corner (&q, &p, corner, P4EST_CONNECT_FULL,
seeds);
standard_seeds (seeds);
checkval = check_balance_seeds (&q, &p, P4EST_CONNECT_FULL,
seeds_check);
SC_CHECK_ABORT (testval == checkval,
"p4est_balance_seeds_corner error");
compare_seeds (seeds, seeds_check);
}
}
}
sc_array_destroy (seeds);
sc_array_destroy (seeds_check);
sc_finalize ();
mpiret = sc_MPI_Finalize ();
SC_CHECK_MPI (mpiret);
return 0;
}
int
main (int argc, char **argv)
{
sc_MPI_Comm mpicomm;
int mpiret;
int mpisize, mpirank;
p4est_t *p4est;
p4est_connectivity_t *connectivity;
sc_dmatrix_t *vtkvec;
p4est_tree_t *tree;
sc_array_t *quadrants;
size_t zz, count;
p4est_quadrant_t *q;
int i;
#ifndef P4_TO_P8
char filename[] = "p4est_balance_face";
#else
char filename[] = "p8est_balance_edge";
#endif
p4est_vtk_context_t *context;
sc_array_t *level;
int retval;
/* initialize MPI */
mpiret = sc_MPI_Init (&argc, &argv);
SC_CHECK_MPI (mpiret);
mpicomm = sc_MPI_COMM_WORLD;
mpiret = sc_MPI_Comm_size (mpicomm, &mpisize);
SC_CHECK_MPI (mpiret);
mpiret = sc_MPI_Comm_rank (mpicomm, &mpirank);
SC_CHECK_MPI (mpiret);
sc_init (mpicomm, 1, 1, NULL, SC_LP_DEFAULT);
p4est_init (NULL, SC_LP_DEFAULT);
#ifndef P4_TO_P8
connectivity = p4est_connectivity_new_unitsquare ();
#else
connectivity = p8est_connectivity_new_unitcube ();
#endif
p4est = p4est_new_ext (mpicomm, connectivity, 0, 2, 1,
sizeof (balance_seeds_elem_t), init_fn, NULL);
p4est_refine (p4est, 1, refine_fn, init_fn);
context = p4est_vtk_context_new (p4est, filename);
p4est_vtk_context_set_scale (context, 1. - 2. * SC_EPS);
context = p4est_vtk_write_header (context);
SC_CHECK_ABORT (context != NULL, P4EST_STRING "_vtk: Error writing header");
vtkvec = sc_dmatrix_new (p4est->local_num_quadrants, P4EST_CHILDREN);
tree = p4est_tree_array_index (p4est->trees, 0);
quadrants = &(tree->quadrants);
count = quadrants->elem_count;
for (zz = 0; zz < count; zz++) {
q = p4est_quadrant_array_index (quadrants, zz);
for (i = 0; i < P4EST_CHILDREN; i++) {
vtkvec->e[zz][i] = (double)
((balance_seeds_elem_t *) (q->p.user_data))->flag;
}
}
level =
sc_array_new_data ((void *) vtkvec->e[0], sizeof (double),
count * P4EST_CHILDREN);
context =
p4est_vtk_write_point_dataf (context, 1, 0, "level", level, context);
SC_CHECK_ABORT (context != NULL,
P4EST_STRING "_vtk: Error writing point data");
sc_array_destroy (level);
retval = p4est_vtk_write_footer (context);
SC_CHECK_ABORT (!retval, P4EST_STRING "_vtk: Error writing footer");
sc_dmatrix_destroy (vtkvec);
p4est_destroy (p4est);
p4est_connectivity_destroy (connectivity);
sc_finalize ();
mpiret = sc_MPI_Finalize ();
SC_CHECK_MPI (mpiret);
return 0;
}
int
check_balance_seeds (p4est_quadrant_t * q, p4est_quadrant_t * p,
p4est_connect_type_t b, sc_array_t * seeds)
{
int ib;
int level = q->level;
p4est_quadrant_t *s, *t;
sc_array_t *thislevel = sc_array_new (sizeof (p4est_quadrant_t));
sc_array_t *nextlevel = sc_array_new (sizeof (p4est_quadrant_t));
sc_array_t *temparray;
p4est_quadrant_t temp1, temp2;
int f, c;
#ifdef P4_TO_P8
int e;
#endif
int stop = 0;
sc_array_resize (seeds, 0);
s = (p4est_quadrant_t *) sc_array_push (thislevel);
p4est_quadrant_sibling (q, s, 0);
#ifndef P4_TO_P8
if (b == P4EST_CONNECT_FACE) {
ib = 0;
}
else {
ib = 1;
}
#else
if (b == P8EST_CONNECT_FACE) {
ib = 0;
}
else if (b == P8EST_CONNECT_EDGE) {
ib = 1;
}
else {
ib = 2;
}
#endif
while (level > p->level + 1) {
size_t nlast = thislevel->elem_count;
size_t zz;
stop = 0;
for (zz = 0; zz < nlast; zz++) {
s = p4est_quadrant_array_index (thislevel, zz);
P4EST_ASSERT (p4est_quadrant_child_id (s) == 0);
p4est_quadrant_parent (s, &temp1);
for (f = 0; f < P4EST_FACES; f++) {
p4est_quadrant_face_neighbor (&temp1, f, &temp2);
if (is_farther (&temp1, p, &temp2)) {
continue;
}
if (p4est_quadrant_is_ancestor (p, &temp2)) {
stop = 1;
sc_array_resize (seeds, seeds->elem_count + 1);
t = p4est_quadrant_array_index (seeds, seeds->elem_count - 1);
p4est_quadrant_sibling (&temp2, t, 0);
}
else if (p4est_quadrant_is_inside_root (&temp2)) {
t = (p4est_quadrant_t *) sc_array_push (nextlevel);
p4est_quadrant_sibling (&temp2, t, 0);
}
}
if (ib == 0) {
continue;
}
#ifdef P4_TO_P8
for (e = 0; e < P8EST_EDGES; e++) {
p8est_quadrant_edge_neighbor (&temp1, e, &temp2);
if (is_farther (&temp1, p, &temp2)) {
continue;
}
if (p4est_quadrant_is_ancestor (p, &temp2)) {
stop = 1;
sc_array_resize (seeds, seeds->elem_count + 1);
t = p4est_quadrant_array_index (seeds, seeds->elem_count - 1);
p4est_quadrant_sibling (&temp2, t, 0);
}
else if (p4est_quadrant_is_inside_root (&temp2)) {
t = (p4est_quadrant_t *) sc_array_push (nextlevel);
p4est_quadrant_sibling (&temp2, t, 0);
}
}
if (ib == 1) {
continue;
}
#endif
for (c = 0; c < P4EST_CHILDREN; c++) {
p4est_quadrant_corner_neighbor (&temp1, c, &temp2);
if (is_farther (&temp1, p, &temp2)) {
continue;
}
if (p4est_quadrant_is_ancestor (p, &temp2)) {
stop = 1;
sc_array_resize (seeds, seeds->elem_count + 1);
t = p4est_quadrant_array_index (seeds, seeds->elem_count - 1);
p4est_quadrant_sibling (&temp2, t, 0);
}
else if (p4est_quadrant_is_inside_root (&temp2)) {
t = (p4est_quadrant_t *) sc_array_push (nextlevel);
p4est_quadrant_sibling (&temp2, t, 0);
}
}
}
if (stop) {
sc_array_sort (seeds, p4est_quadrant_compare);
sc_array_uniq (seeds, p4est_quadrant_compare);
#ifdef P4_TO_P8
if (!ib && seeds->elem_count == 1) {
sc_array_sort (nextlevel, p4est_quadrant_compare);
sc_array_uniq (nextlevel, p4est_quadrant_compare);
temparray = thislevel;
thislevel = nextlevel;
nextlevel = temparray;
sc_array_reset (nextlevel);
level--;
nlast = thislevel->elem_count;
for (zz = 0; zz < nlast; zz++) {
s = p4est_quadrant_array_index (thislevel, zz);
P4EST_ASSERT (p4est_quadrant_child_id (s) == 0);
p4est_quadrant_parent (s, &temp1);
for (f = 0; f < P4EST_FACES; f++) {
p4est_quadrant_face_neighbor (&temp1, f, &temp2);
if (p4est_quadrant_is_ancestor (p, &temp2)) {
int f2;
p4est_quadrant_t a;
p4est_quadrant_t u;
t = p4est_quadrant_array_index (seeds, 0);
p8est_quadrant_parent (t, &a);
for (f2 = 0; f2 < P8EST_FACES; f2++) {
if (f2 / 2 == f / 2) {
continue;
}
p8est_quadrant_face_neighbor (&a, f2, &u);
if (p8est_quadrant_is_equal (&temp2, &u) ||
p8est_quadrant_is_sibling (&temp2, &u)) {
break;
}
}
if (f2 == P8EST_FACES) {
sc_array_resize (seeds, seeds->elem_count + 1);
t = p4est_quadrant_array_index (seeds, seeds->elem_count - 1);
p4est_quadrant_sibling (&temp2, t, 0);
}
}
}
}
}
#endif
sc_array_sort (seeds, p4est_quadrant_compare);
sc_array_uniq (seeds, p4est_quadrant_compare);
break;
}
sc_array_sort (nextlevel, p4est_quadrant_compare);
sc_array_uniq (nextlevel, p4est_quadrant_compare);
temparray = thislevel;
thislevel = nextlevel;
nextlevel = temparray;
sc_array_reset (nextlevel);
level--;
}
sc_array_destroy (thislevel);
sc_array_destroy (nextlevel);
return stop;
}
static void
test_build_local (sc_MPI_Comm mpicomm)
{
sc_array_t *points;
p4est_connectivity_t *conn;
p4est_t *p4est, *built, *copy;
test_build_t stb, *tb = &stb;
/* 0. prepare data that we will reuse */
tb->maxlevel = 7 - P4EST_DIM;
tb->counter = -1;
tb->wrapper = 3;
tb->init_default = -1;
tb->init_add = -1;
tb->count_add = -1;
tb->last_tree = -1;
tb->build = NULL;
#ifndef P4_TO_P8
conn = p4est_connectivity_new_moebius ();
#else
conn = p8est_connectivity_new_rotcubes ();
#endif /* P4_TO_P8 */
p4est = p4est_new_ext (mpicomm, conn, 0, 0, 2, 0, NULL, tb);
p4est_refine (p4est, 1, test_build_refine, NULL);
p4est_partition (p4est, 0, NULL);
/* TODO: enrich tests with quadrant data */
/* 1. Create a p4est that shall be identical to the old one. */
tb->build = p4est_build_new (p4est, 0, NULL, NULL);
p4est_search_local (p4est, 0, test_search_local_1, NULL, NULL);
built = p4est_build_complete (tb->build);
SC_CHECK_ABORT (p4est_is_equal (p4est, built, 0), "Mismatch build_local 1");
p4est_destroy (built);
/* 2. Create a p4est that is as coarse as possible.
* Coarsen recursively, compare. */
tb->build = p4est_build_new (p4est, 4, NULL, NULL);
p4est_search_local (p4est, 0, test_search_local_2, NULL, NULL);
built = p4est_build_complete (tb->build);
copy = p4est_copy (p4est, 0);
p4est_coarsen (copy, 1, test_build_coarsen, NULL);
SC_CHECK_ABORT (p4est_is_equal (copy, built, 0), "Mismatch build_local 2");
p4est_destroy (copy);
p4est_destroy (built);
/* 3. Create a p4est with some random pattern for demonstration */
tb->init_default = 0;
tb->init_add = 0;
tb->count_add = 0;
tb->build = p4est_build_new (p4est, 0, test_search_init_3, tb);
p4est_build_init_add (tb->build, test_search_init_add_3);
p4est_search_local (p4est, 1, test_search_local_3, NULL, NULL);
built = p4est_build_complete (tb->build);
p4est_build_verify_3 (built);
SC_CHECK_ABORT (p4est_is_valid (built), "Invalid build_local 3");
p4est_destroy (built);
/* 4. Create a p4est from a search with one quadrant per tree */
tb->init_default = 0;
tb->init_add = 0;
tb->count_add = 0;
tb->last_tree = -1;
tb->build = p4est_build_new (p4est, sizeof (long), test_search_init_4, tb);
p4est_build_init_add (tb->build, test_search_init_add_4);
p4est_search_local (p4est, 0, test_search_local_4, NULL, NULL);
built = p4est_build_complete (tb->build);
p4est_build_verify_4 (built);
SC_CHECK_ABORT (p4est_is_valid (built), "Invalid build_local 4");
p4est_destroy (built);
/* 5. Create a p4est from a multiple-item search */
points = sc_array_new_size (sizeof (int8_t), 2);
*(int8_t *) sc_array_index (points, 0) = 0;
*(int8_t *) sc_array_index (points, 1) = 1;
tb->wrapper = 5;
tb->init_default = 0;
tb->init_add = 0;
tb->build = p4est_build_new (p4est, 0, NULL, tb);
p4est_search_local (p4est, 0, NULL, test_search_point_5, points);
built = p4est_build_complete (tb->build);
#if 0
p4est_build_verify_5 (built);
#endif
SC_CHECK_ABORT (p4est_is_valid (built), "Invalid build_local 5");
p4est_destroy (built);
sc_array_destroy (points);
/* clean up */
p4est_destroy (p4est);
p4est_connectivity_destroy (conn);
}
int
main (int argc, char **argv)
{
sc_MPI_Comm mpicomm;
int mpiret;
int mpisize, mpirank;
p4est_t *p4est;
p4est_connectivity_t *conn;
sc_array_t *points_per_dim, *cone_sizes, *cones,
*cone_orientations, *coords,
*children, *parents, *childids, *leaves, *remotes;
p4est_locidx_t first_local_quad = -1;
/* initialize MPI */
mpiret = sc_MPI_Init (&argc, &argv);
SC_CHECK_MPI (mpiret);
mpicomm = sc_MPI_COMM_WORLD;
mpiret = sc_MPI_Comm_size (mpicomm, &mpisize);
SC_CHECK_MPI (mpiret);
mpiret = sc_MPI_Comm_rank (mpicomm, &mpirank);
SC_CHECK_MPI (mpiret);
sc_init (mpicomm, 1, 1, NULL, SC_LP_DEFAULT);
p4est_init (NULL, SC_LP_DEFAULT);
#ifndef P4_TO_P8
conn = p4est_connectivity_new_moebius ();
#else
conn = p8est_connectivity_new_rotcubes ();
#endif
p4est = p4est_new_ext (mpicomm, conn, 0, 1, 1, 0, NULL, NULL);
p4est_refine (p4est, 1, refine_fn, NULL);
p4est_balance (p4est, P4EST_CONNECT_FULL, NULL);
p4est_partition (p4est, 0, NULL);
points_per_dim = sc_array_new (sizeof (p4est_locidx_t));
cone_sizes = sc_array_new (sizeof (p4est_locidx_t));
cones = sc_array_new (sizeof (p4est_locidx_t));
cone_orientations = sc_array_new (sizeof (p4est_locidx_t));
coords = sc_array_new (3 * sizeof (double));
children = sc_array_new (sizeof (p4est_locidx_t));
parents = sc_array_new (sizeof (p4est_locidx_t));
childids = sc_array_new (sizeof (p4est_locidx_t));
leaves = sc_array_new (sizeof (p4est_locidx_t));
remotes = sc_array_new (2 * sizeof (p4est_locidx_t));
p4est_get_plex_data (p4est, P4EST_CONNECT_FULL, (mpisize > 1) ? 2 : 0,
&first_local_quad, points_per_dim, cone_sizes, cones,
cone_orientations, coords, children, parents, childids,
leaves, remotes);
#ifdef P4EST_WITH_PETSC
{
PetscErrorCode ierr;
DM plex, refTree;
PetscInt pStart, pEnd;
PetscSection parentSection;
PetscSF pointSF;
size_t zz, count;
locidx_to_PetscInt (points_per_dim);
locidx_to_PetscInt (cone_sizes);
locidx_to_PetscInt (cones);
locidx_to_PetscInt (cone_orientations);
coords_double_to_PetscScalar (coords);
locidx_to_PetscInt (children);
locidx_to_PetscInt (parents);
locidx_to_PetscInt (childids);
locidx_to_PetscInt (leaves);
locidx_pair_to_PetscSFNode (remotes);
P4EST_GLOBAL_PRODUCTION ("Begin PETSc routines\n");
ierr = PetscInitialize (&argc, &argv, 0, help);
CHKERRQ (ierr);
ierr = DMPlexCreate (mpicomm, &plex);
CHKERRQ (ierr);
ierr = DMSetDimension (plex, P4EST_DIM);
CHKERRQ (ierr);
ierr = DMSetCoordinateDim (plex, 3);
CHKERRQ (ierr);
ierr = DMPlexCreateFromDAG (plex, P4EST_DIM,
(PetscInt *) points_per_dim->array,
(PetscInt *) cone_sizes->array,
(PetscInt *) cones->array,
(PetscInt *) cone_orientations->array,
(PetscScalar *) coords->array);
CHKERRQ (ierr);
ierr = PetscSFCreate (mpicomm, &pointSF);
CHKERRQ (ierr);
ierr =
DMPlexCreateDefaultReferenceTree (mpicomm, P4EST_DIM, PETSC_FALSE,
&refTree);
CHKERRQ (ierr);
ierr = DMPlexSetReferenceTree (plex, refTree);
CHKERRQ (ierr);
ierr = DMDestroy (&refTree);
CHKERRQ (ierr);
ierr = PetscSectionCreate (mpicomm, &parentSection);
CHKERRQ (ierr);
ierr = DMPlexGetChart (plex, &pStart, &pEnd);
CHKERRQ (ierr);
ierr = PetscSectionSetChart (parentSection, pStart, pEnd);
CHKERRQ (ierr);
count = children->elem_count;
for (zz = 0; zz < count; zz++) {
PetscInt child =
*((PetscInt *) sc_array_index (children, zz));
ierr = PetscSectionSetDof (parentSection, child, 1);
CHKERRQ (ierr);
}
ierr = PetscSectionSetUp (parentSection);
CHKERRQ (ierr);
ierr =
DMPlexSetTree (plex, parentSection, (PetscInt *) parents->array,
(PetscInt *) childids->array);
CHKERRQ (ierr);
ierr = PetscSectionDestroy (&parentSection);
CHKERRQ (ierr);
ierr =
PetscSFSetGraph (pointSF, pEnd - pStart, (PetscInt) leaves->elem_count,
(PetscInt *) leaves->array, PETSC_COPY_VALUES,
(PetscSFNode *) remotes->array, PETSC_COPY_VALUES);
CHKERRQ (ierr);
ierr = DMViewFromOptions (plex, NULL, "-dm_view");
CHKERRQ (ierr);
/* TODO: test with rigid body modes as in plex ex3 */
ierr = DMDestroy (&plex);
CHKERRQ (ierr);
ierr = PetscFinalize ();
P4EST_GLOBAL_PRODUCTION ("End PETSc routines\n");
}
#endif
sc_array_destroy (points_per_dim);
sc_array_destroy (cone_sizes);
sc_array_destroy (cones);
sc_array_destroy (cone_orientations);
sc_array_destroy (coords);
sc_array_destroy (children);
sc_array_destroy (parents);
sc_array_destroy (childids);
sc_array_destroy (leaves);
sc_array_destroy (remotes);
p4est_destroy (p4est);
p4est_connectivity_destroy (conn);
sc_finalize ();
mpiret = sc_MPI_Finalize ();
SC_CHECK_MPI (mpiret);
return 0;
}
int
main (int argc, char **argv)
{
sc_MPI_Comm mpicomm;
int mpiret;
int found_total;
p4est_locidx_t jt, Al, Bl;
p4est_locidx_t local_count;
p4est_connectivity_t *conn;
p4est_quadrant_t *A, *B;
p4est_geometry_t *geom;
p4est_t *p4est;
sc_array_t *points;
test_point_t *p;
const char *vtkname;
/* Initialize MPI */
mpiret = sc_MPI_Init (&argc, &argv);
SC_CHECK_MPI (mpiret);
mpicomm = sc_MPI_COMM_WORLD;
/* Initialize packages */
sc_init (mpicomm, 1, 1, NULL, SC_LP_DEFAULT);
p4est_init (NULL, SC_LP_DEFAULT);
/* Create forest */
#ifndef P4_TO_P8
conn = p4est_connectivity_new_star ();
geom = NULL;
vtkname = "test_search2";
#else
conn = p8est_connectivity_new_sphere ();
geom = p8est_geometry_new_sphere (conn, 1., 0.191728, 0.039856);
vtkname = "test_search3";
#endif
p4est = p4est_new_ext (mpicomm, conn, 0, 0, 0, 0, NULL, &local_count);
p4est_refine (p4est, 1, refine_fn, NULL);
p4est_partition (p4est, 0, NULL);
p4est_vtk_write_file (p4est, geom, vtkname);
/* The following code should really be in a separate function. */
/* Prepare a point search -- fix size so the memory is not relocated */
points = sc_array_new_size (sizeof (test_point_t), 2);
/* A */
p = (test_point_t *) sc_array_index (points, 0);
p->name = "A";
A = &p->quad;
P4EST_QUADRANT_INIT (A);
p4est_quadrant_set_morton (A, 3, 23);
A->p.piggy3.which_tree = 0;
A->p.piggy3.local_num = -1;
Al = -1;
/* B */
p = (test_point_t *) sc_array_index (points, 1);
p->name = "B";
B = &p->quad;
P4EST_QUADRANT_INIT (B);
p4est_quadrant_set_morton (B, 2, 13);
B->p.piggy3.which_tree = conn->num_trees / 2;
B->p.piggy3.local_num = -1;
Bl = -1;
/* Find quadrant numbers if existing */
for (jt = p4est->first_local_tree; jt <= p4est->last_local_tree; ++jt) {
size_t zz;
p4est_tree_t *tree = p4est_tree_array_index (p4est->trees, jt);
p4est_quadrant_t *quad;
sc_array_t *tquadrants = &tree->quadrants;
for (zz = 0; zz < tquadrants->elem_count; ++zz) {
quad = p4est_quadrant_array_index (tquadrants, zz);
if (A->p.piggy3.which_tree == jt && !p4est_quadrant_compare (quad, A)) {
Al = tree->quadrants_offset + (p4est_locidx_t) zz;
P4EST_VERBOSEF ("Searching for A at %lld\n", (long long) Al);
}
if (B->p.piggy3.which_tree == jt && !p4est_quadrant_compare (quad, B)) {
Bl = tree->quadrants_offset + (p4est_locidx_t) zz;
P4EST_VERBOSEF ("Searching for B at %lld\n", (long long) Bl);
}
}
}
/* Go */
found_count = 0;
p4est_search_local (p4est, 0, NULL, search_callback, points);
mpiret = sc_MPI_Allreduce (&found_count, &found_total,
1, sc_MPI_INT, sc_MPI_SUM, mpicomm);
SC_CHECK_MPI (mpiret);
SC_CHECK_ABORT (found_total == (int) points->elem_count, "Point search");
SC_CHECK_ABORT (A->p.piggy3.local_num == Al, "Search A");
SC_CHECK_ABORT (B->p.piggy3.local_num == Bl, "Search B");
/* Use another search to count local quadrants */
local_count = 0;
p4est_search_local (p4est, 0, count_callback, NULL, NULL);
SC_CHECK_ABORT (local_count == p4est->local_num_quadrants, "Count search");
/* Clear memory */
sc_array_destroy (points);
p4est_destroy (p4est);
if (geom != NULL) {
p4est_geometry_destroy (geom);
}
p4est_connectivity_destroy (conn);
/* Test the build_local function and friends */
test_build_local (mpicomm);
/* Finalize */
sc_finalize ();
mpiret = sc_MPI_Finalize ();
SC_CHECK_MPI (mpiret);
return 0;
}
int
main (int argc, char *argv[])
{
MPI_Comm comm = MPI_COMM_WORLD;
p4est_t *p4est;
p4est_connectivity_t *conn;
p4est_ghost_t *ghost_layer;
p4est_lnodes_t *lnodes;
int rank;
const int degree = 1;
BFAM_MPI_CHECK(MPI_Init(&argc,&argv));
BFAM_MPI_CHECK(MPI_Comm_rank(comm, &rank));
bfam_log_init(rank, stdout, BFAM_LL_DEFAULT);
bfam_signal_handler_set();
sc_init(comm, 0, 0, NULL, SC_LP_DEFAULT);
p4est_init(NULL, SC_LP_DEFAULT);
conn = p4est_connectivity_new_corner();
p4est = p4est_new_ext(comm, conn, 0, 0, 0, 0, NULL, NULL);
refine_level = 1;
p4est_refine(p4est, 1, refine_fn, NULL);
p4est_balance(p4est, P4EST_CONNECT_FACE, NULL);
p4est_partition(p4est, 1, NULL);
p4est_vtk_write_file(p4est, NULL, "mesh");
ghost_layer = p4est_ghost_new(p4est, P4EST_CONNECT_FULL);
lnodes = p4est_lnodes_new(p4est, ghost_layer, degree);
/*
* Output the mesh. It can be read using something like following command:
*
* mpirun -np 3 ./bfam_exam_p4est | grep MESH | sort -n -k 2 | sort -n -k 5 | gvim -
*/
fflush(stdout);
BFAM_MPI_CHECK(MPI_Barrier(comm));
BFAM_ROOT_INFO("MESH 0 ------------ Mesh Begin ------------");
BFAM_ROOT_INFO("MESH 1 degree = %d", lnodes->degree);
BFAM_ROOT_INFO("MESH 2 vnodes = %d", lnodes->vnodes);
BFAM_INFO("MESH 3 num_local_elements = %jd", (intmax_t)lnodes->num_local_elements);
BFAM_INFO("MESH 4 num_local_nodes = %jd", (intmax_t)lnodes->num_local_nodes);
BFAM_INFO("MESH 5 owned_count = %jd", (intmax_t)lnodes->owned_count);
BFAM_INFO("MESH 6 global_offset = %jd", (intmax_t)lnodes->global_offset);
sc_array_t *global_nodes = sc_array_new(sizeof (p4est_gloidx_t));
sc_array_resize(global_nodes, lnodes->num_local_nodes);
for(size_t zz = 0; zz < global_nodes->elem_count; ++zz)
{
*((p4est_gloidx_t *) sc_array_index(global_nodes, zz)) =
p4est_lnodes_global_index(lnodes, zz);
}
p4est_lnodes_share_owned(global_nodes, lnodes);
for(size_t zz = 0; zz < global_nodes->elem_count; ++zz)
{
const p4est_gloidx_t gn =
*((p4est_gloidx_t *)sc_array_index(global_nodes, zz));
SC_CHECK_ABORT (gn == p4est_lnodes_global_index(lnodes, zz),
"Lnodes: bad global index across procesors");
BFAM_INFO("MESH 7 global_nodes[%zu] = %jd", zz, (intmax_t)gn);
}
sc_array_destroy(global_nodes);
p4est_topidx_t flt = p4est->first_local_tree;
p4est_topidx_t llt = p4est->last_local_tree;
p4est_locidx_t elid, elnid;
p4est_topidx_t t;
const double *v = conn->vertices;
const p4est_topidx_t *tree_to_vertex = conn->tree_to_vertex;
for(elid = 0, elnid = 0, t = flt; t <= llt; ++t)
{
p4est_tree_t *tree = p4est_tree_array_index(p4est->trees, t);
const size_t count = tree->quadrants.elem_count;
p4est_topidx_t vt[P4EST_CHILDREN];
for (int c = 0; c < P4EST_CHILDREN; ++c)
{
vt[c] = tree_to_vertex[t * P4EST_CHILDREN + c];
}
for (size_t zz = 0; zz < count; ++zz, ++elid)
{
p4est_quadrant_t *q = p4est_quadrant_array_index(&tree->quadrants, zz);
for(int jind = 0; jind < degree + 1; ++jind)
{
for(int iind = 0; iind < degree + 1; ++iind, ++elnid)
{
double xyz[3];
for (int j = 0; j < 3; ++j)
{
const p4est_qcoord_t len = P4EST_QUADRANT_LEN(q->level);
const double rlen = (double) P4EST_ROOT_LEN;
const double deg = (double) degree;
const double qlen = ((double) len) / rlen;
const double eta_x =
((double) q->x) / rlen + (((double) iind) / deg) * qlen;
const double eta_y =
((double) q->y) / rlen + (((double) jind) / deg) * qlen;
xyz[j] = ((1. - eta_y) * ((1. - eta_x) * v[3 * vt[0] + j] +
eta_x * v[3 * vt[1] + j]) +
eta_y * ((1. - eta_x) * v[3 * vt[2] + j] +
eta_x * v[3 * vt[3] + j]));
}
const p4est_locidx_t nid = lnodes->element_nodes[elnid];
BFAM_INFO(
"MESH 8 local_node[%03jd] = %03jd ( %25.16e %25.16e %25.16e )",
(intmax_t)elnid, (intmax_t)nid, xyz[0], xyz[1], xyz[2]);
}
}
}
}
BFAM_ROOT_INFO("MESH 9 ------------ Mesh End ------------");
p4est_lnodes_destroy(lnodes);
p4est_ghost_destroy(ghost_layer);
p4est_destroy(p4est);
p4est_connectivity_destroy(conn);
sc_finalize();
BFAM_MPI_CHECK(MPI_Finalize());
return EXIT_SUCCESS;
}