static void
_sub_neighborhood_near_far_traversal (VsgPRTree2@t@ *tree,
VsgNFConfig2@t@ *nfc,
VsgPRTree2@t@Node *one,
VsgPRTree2@t@NodeInfo *one_info,
VsgPRTree2@t@Node *other,
VsgPRTree2@t@NodeInfo *other_info,
gint8 x, gint8 y)
{
vsgloc2 i, j, si, sj;
vsgloc2 sym[4] = {
_SYMMETRY (0, x, y),
_SYMMETRY (1, x, y),
_SYMMETRY (2, x, y),
_SYMMETRY (3, x, y),
};
if (_NODE_IS_EMPTY(one) || _NODE_IS_EMPTY(other))
return;
#ifdef VSG_HAVE_MPI
if (nfc->sz > 1)
vsg_prtree2@t@_nf_check_receive (tree, nfc, MPI_ANY_TAG, FALSE);
#endif
if (PRTREE2@T@NODE_ISINT (one) && PRTREE2@T@NODE_ISINT (other))
{
/* near/far interaction between one and other children */
for (i=0; i<4; i++)
{
VsgPRTree2@t@Node *one_child = PRTREE2@T@NODE_CHILD(one, i);
VsgPRTree2@t@NodeInfo one_child_info;
#ifdef VSG_HAVE_MPI
if (PRTREE2@T@NODE_IS_REMOTE (one_child)) continue;
#endif
_vsg_prtree2@t@node_get_info (one_child, &one_child_info,
one_info, i);
si = sym[i];
for (j=0; j<4; j++)
{
gboolean far;
VsgPRTree2@t@Node *other_child =
PRTREE2@T@NODE_CHILD(other, j);
VsgPRTree2@t@NodeInfo other_child_info;
gboolean far_done = TRUE;
#ifdef VSG_HAVE_MPI
if (PRTREE2@T@NODE_IS_REMOTE (other_child)) continue;
#endif
_vsg_prtree2@t@node_get_info (other_child,
&other_child_info,
other_info, j);
sj = sym[j];
far = NEAR_FAR (x, y, si, sj);
if (far)
{
/* far interaction between one and other */
if (nfc->far_func &&
! (_NODE_IS_EMPTY (one_child) ||
_NODE_IS_EMPTY (other_child)))
{
#ifdef VSG_HAVE_MPI
/* in parallel, only one of the processors has to do a
shared/shared far interaction */
if (PRTREE2@T@NODE_IS_SHARED (one_child) &&
PRTREE2@T@NODE_IS_SHARED (other_child) &&
PRTREE2@T@NODE_PROC (one_child) != nfc->rk)
continue;
#endif
far_done = nfc->far_func (&one_child_info, &other_child_info,
nfc->user_data);
if (!far_done)
{
#ifdef VSG_HAVE_MPI
if (PRTREE2@T@NODE_IS_SHARED (one_child) ||
PRTREE2@T@NODE_IS_SHARED (other_child))
{
g_critical ("far_func() -> FALSE not handled " \
"for shared nodes in \"%s\"",
__PRETTY_FUNCTION__);
}
#endif
/* near interaction between one and other */
recursive_near_func (one_child, &one_child_info,
other_child, &other_child_info,
nfc->near_func,
nfc->user_data);
}
}
}
else
{
gint8 newx = _SUB_INTERACTION (i, j, x, _X);
gint8 newy = _SUB_INTERACTION (i, j, y, _Y);
_sub_neighborhood_near_far_traversal (tree, nfc, one_child,
&one_child_info,
other_child,
&other_child_info,
newx, newy);
}
}
}
}
else
{
if (nfc->near_func)
{
/* near interaction between one and other */
recursive_near_func (one, one_info, other, other_info, nfc->near_func,
nfc->user_data);
}
}
}
static void recursive_near_func (VsgPRTree2@t@Node *one,
VsgPRTree2@t@NodeInfo *one_info,
VsgPRTree2@t@Node *other,
VsgPRTree2@t@NodeInfo *other_info,
VsgNFConfig2@t@ *nfc)
{
vsgloc2 i;
#ifdef VSG_HAVE_MPI
if (nfc->sz > 1)
vsg_prtree2@t@_nf_check_receive (nfc, MPI_ANY_TAG, FALSE);
#endif
/* try to execute semifar function instead of near_func, if possible */
if (_check_and_execute_semifar_func (nfc, one_info, other_info))
return;
if (PRTREE2@T@NODE_ISINT (one))
{
for (i=0; i<CN; i++)
{
VsgPRTree2@t@Node *one_child = PRTREE2@T@NODE_CHILD(one, i);
VsgPRTree2@t@NodeInfo one_child_info;
#ifdef VSG_HAVE_MPI
if (PRTREE2@T@NODE_IS_REMOTE (one_child)) continue;
#endif
_vsg_prtree2@t@node_get_info (one_child, &one_child_info, one_info,
i);
recursive_near_func (one_child, &one_child_info, other, other_info,
nfc);
}
}
else if (PRTREE2@T@NODE_ISINT (other))
{
for (i=0; i<CN; i++)
{
VsgPRTree2@t@Node *other_child = PRTREE2@T@NODE_CHILD(other, i);
VsgPRTree2@t@NodeInfo other_child_info;
#ifdef VSG_HAVE_MPI
if (PRTREE2@T@NODE_IS_REMOTE (other_child)) continue;
#endif
_vsg_prtree2@t@node_get_info (other_child, &other_child_info,
other_info, i);
recursive_near_func (one, one_info, other_child, &other_child_info,
nfc);
}
}
else
{
/* near interaction between one and other */
if (one->point_count != 0 && other->point_count != 0)
nfc->near_func (one_info, other_info, nfc->user_data);
}
}