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
p4est_balance_seeds (p4est_quadrant_t * q, p4est_quadrant_t * p,
p4est_connect_type_t balance, sc_array_t * seeds)
{
int outside[P4EST_DIM];
int i;
int type = 0;
p4est_qcoord_t diff;
p4est_qcoord_t qc, pc;
p4est_qcoord_t pdist = P4EST_QUADRANT_LEN (p->level);
p4est_qcoord_t qdist = P4EST_QUADRANT_LEN (q->level);
p4est_quadrant_t *s;
int f, c;
#ifdef P4_TO_P8
int e;
#endif
if (seeds != NULL) {
sc_array_resize (seeds, 0);
}
/* basic level comparison */
if (q->level <= p->level + 1) {
return 0;
}
for (i = 0; i < P4EST_DIM; i++) {
switch (i) {
case 0:
qc = q->x;
pc = p->x;
break;
case 1:
qc = q->y;
pc = p->y;
break;
#ifdef P4_TO_P8
case 2:
qc = q->z;
pc = p->z;
break;
#endif
default:
SC_ABORT_NOT_REACHED ();
break;
}
outside[i] = 0;
if (qc < pc) {
diff = pc - qc;
/* insulation layer comparison */
if (diff > pdist) {
return 0;
}
outside[i] = -1;
}
else {
diff = (qc + qdist) - (pc + pdist);
/* insulation layer comparison */
if (diff > pdist) {
return 0;
}
if (diff > 0) {
outside[i] = 1;
}
}
type += (outside[i] ? 1 : 0);
}
switch (type) {
case 0:
/* q is inside p, so it is its own seed */
sc_array_resize (seeds, seeds->elem_count + 1);
s = p4est_quadrant_array_index (seeds, seeds->elem_count - 1);
*s = *q;
return 1;
case 1:
for (i = 0; i < P4EST_DIM; i++) {
if (outside[i]) {
f = 2 * i + (outside[i] > 0 ? 1 : 0);
return p4est_balance_seeds_face (q, p, f, balance, seeds);
}
}
SC_ABORT_NOT_REACHED ();
return -1;
case P4EST_DIM:
c = 0;
for (i = 0; i < P4EST_DIM; i++) {
c += (outside[i] > 0 ? (1 << i) : 0);
}
return p4est_balance_seeds_corner (q, p, c, balance, seeds);
#ifdef P4_TO_P8
case 2:
e = 0;
c = 0;
for (i = 2; i >= 0; i--) {
if (outside[i]) {
c <<= 1;
c |= (outside[i] > 0 ? 1 : 0);
}
else {
e |= (i << 2);
}
}
e |= c;
return p8est_balance_seeds_edge (q, p, e, balance, seeds);
#endif
default:
SC_ABORT_NOT_REACHED ();
return -1;
}
}
