- traverse function replaced with iterator functions

This commit is contained in:
2010-05-02 21:09:42 +00:00
parent 5e8147a575
commit 39df27c36a
+153 -312
View File
@@ -7,23 +7,22 @@
/*
Skip elements which have been refined on a level <= the current one.
*/
static h5_id_t
h5_err_t
skip_to_next_elem_on_level (
h5_file_t * f,
h5_id_t *eid
h5_file_t* f,
h5t_entity_iterator_t* iter
) {
h5t_fdata_t *t = f->t;
h5_elem_ldta_t *el_dta;
h5t_fdata_t* t = f->t;
h5_elem_ldta_t* el_dta;
int num_elems = t->num_elems[t->cur_level];
do {
(*eid)++;
if ( *eid >= t->num_elems[t->cur_level] ) {
return h5_error_internal (
f, __FILE__, __func__, __LINE__ );
iter->elem_idx++;
if (iter->elem_idx >= num_elems) {
return H5_NOK;
}
el_dta = &t->elems_ldta[*eid];
} while ( h5tpriv_elem_is_on_cur_level ( f, el_dta ) == H5_NOK );
return *eid;
el_dta = &t->elems_ldta[iter->elem_idx];
} while (h5tpriv_elem_is_on_cur_level (f, el_dta) == H5_NOK);
return H5_SUCCESS;
}
/*
@@ -33,11 +32,11 @@ skip_to_next_elem_on_level (
*/
h5_err_t
h5tpriv_elem_is_on_cur_level (
h5_file_t * const f,
h5_file_t* const f,
h5_elem_ldta_t *el_dta
) {
h5t_fdata_t *t = f->t;
if ( ( el_dta->level_id > t->cur_level ) ||
h5t_fdata_t* t = f->t;
if ( (el_dta->level_id > t->cur_level) ||
( (el_dta->local_child_eid >= 0) &&
(el_dta->local_child_eid < t->num_elems[t->cur_level]) ) ) {
return H5_NOK;
@@ -45,314 +44,156 @@ h5tpriv_elem_is_on_cur_level (
return H5_SUCCESS;
}
h5_err_t
h5t_begin_traverse_vertices (
h5_file_t * f
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.vertex;
iter->cur_cid = -1;
iter->cur_eid = -1;
TRY ( skip_to_next_elem_on_level ( f, &iter->cur_eid ) );
return H5_SUCCESS;
}
h5_id_t
h5t_traverse_vertices (
h5_file_t * const f, /*!< file handle */
h5_float64_t P[3] /*!< OUT: coordinates */
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.vertex;
h5_idlist_t *tv;
size_t i;
do {
if ( iter->cur_cid >= 3 ) {
if ( iter->cur_eid+1 >= t->num_elems[t->cur_level] ) {
h5_debug ( f, "Traversing done!" );
return H5_NOK;
}
TRY ( skip_to_next_elem_on_level (
f, &iter->cur_eid ) );
iter->cur_cid = 0;
} else {
iter->cur_cid++;
}
TRY ( h5tpriv_find_tv2 ( f, iter->cur_cid, iter->cur_eid, &tv ) );
/* skip to first element which is on current level */
i = -1;
h5_elem_ldta_t *el_dta;
do {
i++;
h5_id_t eid = h5tpriv_get_elem_idx ( tv->items[i] );
el_dta = &t->elems_ldta[eid];
} while ( h5tpriv_elem_is_on_cur_level ( f, el_dta ) == H5_NOK );
} while ( iter->cur_eid != h5tpriv_get_elem_idx(tv->items[i]) );
h5_id_t vidx = t->elems_ldta[iter->cur_eid].local_vids[iter->cur_cid];
h5_vertex_t *vertex = &t->vertices[vidx];
memcpy ( P, &vertex->P, sizeof ( vertex->P ) );
return h5tpriv_build_vertex_id ( iter->cur_cid, iter->cur_eid );
}
h5_err_t
h5t_end_traverse_vertices (
h5_file_t * f
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.vertex;
iter->cur_cid = -1;
iter->cur_eid = -1;
return H5_SUCCESS;
}
h5_err_t
h5t_begin_traverse_edges (
h5_file_t * const f
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.edge;
iter->cur_cid = -1;
iter->cur_eid = -1;
TRY ( skip_to_next_elem_on_level ( f, &iter->cur_eid ) );
return H5_SUCCESS;
}
h5_id_t
h5t_traverse_edges (
h5_file_t * const f,
h5_id_t *local_vids
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.edge;
h5t_te_entry_t *te;
h5_size_t i;
do {
if ( iter->cur_cid >= 5 ) {
if ( iter->cur_eid+1 >= t->num_elems[t->cur_level] ) {
h5_debug ( f, "Traversing done!" );
return H5_NOK;
}
TRY ( skip_to_next_elem_on_level (
f, &iter->cur_eid ) );
iter->cur_cid = 0;
} else {
iter->cur_cid++;
}
TRY( h5tpriv_find_te2 (f, iter->cur_cid, iter->cur_eid, &te) );
/* skip to first element which is on current level */
i = -1;
h5_elem_ldta_t *el_dta;
do {
i++;
h5_id_t eid = h5tpriv_get_elem_idx (te->value.items[i]);
el_dta = &t->elems_ldta[eid];
} while (h5tpriv_elem_is_on_cur_level (f, el_dta) == H5_NOK);
} while ( iter->cur_eid != h5tpriv_get_elem_idx (te->value.items[i]));
memcpy (local_vids, te->key.vids, 2*sizeof(h5_id_t));
return te->value.items[0];
}
h5_err_t
h5t_end_traverse_edges (
h5_file_t * f
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.edge;
iter->cur_cid = -1;
iter->cur_eid = -1;
return H5_SUCCESS;
}
h5_err_t
h5t_begin_traverse_triangles (
h5_file_t * const f
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.triangle;
iter->cur_cid = -1;
iter->cur_eid = -1;
TRY ( skip_to_next_elem_on_level ( f, &iter->cur_eid ) );
return H5_SUCCESS;
}
h5_id_t
h5t_traverse_triangles (
h5_file_t * const f,
h5_id_t *local_vids
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.triangle;
h5t_td_entry_t *td;
h5_size_t i;
do {
if (iter->cur_cid >= 3) {
if (iter->cur_eid+1 >= t->num_elems[t->cur_level]) {
h5_debug (f, "Traversing done!");
return H5_NOK;
}
TRY( skip_to_next_elem_on_level (f, &iter->cur_eid) );
iter->cur_cid = 0;
} else {
iter->cur_cid++;
}
TRY( h5tpriv_find_td2 (f, iter->cur_cid, iter->cur_eid, &td) );
/* skip to first element which is on current level */
i = -1;
h5_elem_ldta_t *el_dta;
do {
i++;
h5_id_t eid = h5tpriv_get_elem_idx (td->value.items[i]);
el_dta = &t->elems_ldta[eid];
} while (h5tpriv_elem_is_on_cur_level (f, el_dta) == H5_NOK);
} while (iter->cur_eid != h5tpriv_get_elem_idx(td->value.items[i]));
memcpy (local_vids, td->key.vids, 3*sizeof(h5_id_t));
return td->value.items[0];
}
#if 0
/*!
Function for traversing entities with 0 < co-dim < co-dim(vertex).
In a tetrahedral mesh this means edges and triangle, in triangle
mesh only edges.
*/
typedef struct {
h5_id_t cur_elem_id; // local element id
h5_id_t cur_face_id; // face id according reference element
int32_t codim; // co-dimension of faces to traverse
int32_t num_faces; // number of faces
} h5t_entity_iterator2;
typedef struct h5t_idlisthash_key {
h5_id_t ids[1];
} h5t_idlisthash_key_t;
/*
List of all upward adjacent elements of same coarsness of a specific face.
The face is specified by its local vertex IDs.
*/
typedef struct h5t_idlisthash_entry {
h5_idlist_t value;
h5t_idlisthash_key_t key;
} h5t_idlisthash_entry_t;
h5_id_t
h5t_traverse_faces (
h5_file_t * const f,
h5t_entity_iterator2_t *iter;
) {
h5t_fdata_t *t = f->t;
h5t_idlisthash_entry_t *entry;
h5_size_t i;
do {
if (iter->cur_fid >= iter->num_faces) {
if (iter->cur_eid+1 >= t->num_elems[t->cur_level]) {
h5_debug (f, "Traversing done!");
return H5_NOK;
}
TRY( skip_to_next_elem_on_level (f, &iter->cur_eid) );
iter->cur_fid = 0;
} else {
iter->cur_fid++;
}
TRY( h5tpriv_find_td2 (f, iter->cur_fid, iter->cur_eid, &entry) );
/* skip to first element which is on current level */
i = -1;
h5_elem_ldta_t *el_dta;
do {
i++;
h5_id_t eid = h5tpriv_get_elem_idx (td->value.items[i]);
el_dta = &t->elems_ldta[eid];
} while (h5tpriv_elem_is_on_cur_level (f, el_dta) == H5_NOK);
} while (iter->cur_eid != h5tpriv_get_elem_idx(td->value.items[i]));
return td->value.items[0];
}
#endif
h5_err_t
h5t_end_traverse_triangles (
h5_file_t * f
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.triangle;
iter->cur_cid = -1;
iter->cur_eid = -1;
return H5_SUCCESS;
}
h5_err_t
h5t_begin_traverse_elems (
h5_file_t * f
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.elem;
iter->cur_cid = -1;
iter->cur_eid = -1;
return H5_SUCCESS;
}
/*!
\param[in] f file handle
\param[out] vids Local vertex id
Travere entities with co-dim > 0
*/
h5_id_t
h5t_traverse_elems (
h5_file_t * const f,
h5_id_t *local_vids
h5tpriv_iterate_faces (
h5_file_t* const f,
h5t_entity_iterator_t* iter
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.elem;
h5_elem_ldta_t *elem_data;
h5_id_t local_child_eid;
h5_id_t refined_on_level = -1;
h5t_fdata_t* t = f->t;
h5_idlist_t* entry;
h5_size_t i;
int dim = iter->ref_element->dim - iter->codim;
int num_faces = iter->ref_element->num_faces[dim];
do {
if (iter->face_idx >= num_faces) {
if (skip_to_next_elem_on_level (f, iter) == H5_NOK) {
h5_debug (f, "Traversing done!");
return H5_NOK;
}
iter->face_idx = 0;
} else {
iter->face_idx++;
}
/*
get list of all elements with this face
and skip to first element in list which is on
current level
*/
TRY( (iter->find)(f, iter->face_idx,
iter->elem_idx, &entry) );
i = -1;
h5_elem_ldta_t *el_dta;
do {
i++;
h5_id_t eid = h5tpriv_get_elem_idx (entry->items[i]);
el_dta = &t->elems_ldta[eid];
} while (h5tpriv_elem_is_on_cur_level (f, el_dta) == H5_NOK);
} while (iter->elem_idx != h5tpriv_get_elem_idx(entry->items[i]));
return entry->items[0];
}
if ( iter->cur_eid+1 >= t->num_elems[t->cur_level] ) {
h5_id_t
h5tpriv_iterate_elems (
h5_file_t* const f,
h5t_entity_iterator_t*iter
) {
if ( skip_to_next_elem_on_level (f, iter) == H5_NOK) {
h5_debug ( f, "Traversing done!" );
return H5_NOK;
}
/*
Skip elements which have been refined on a level <= the current one.
*/
do {
++iter->cur_eid;
elem_data = &t->elems_ldta[iter->cur_eid];
local_child_eid = elem_data->local_child_eid;
refined_on_level = ( local_child_eid >= 0 ) ?
t->elems_ldta[local_child_eid].level_id :
t->cur_level+1; /* this means "not refined" */
}
while ( refined_on_level <= t->cur_level );
memcpy (
local_vids,
elem_data->local_vids,
sizeof ( elem_data->local_vids[0] ) * t->mesh_type );
return h5tpriv_build_elem_id ( iter->cur_eid );
return h5tpriv_build_elem_id ( iter->elem_idx );
}
h5_err_t
h5t_end_traverse_elems (
h5_file_t * f
h5t_alloc_entity_iterator (
h5_file_t* f,
h5t_entity_iterator_t** iter,
int codim
) {
h5t_fdata_t *t = f->t;
h5t_entity_iterator_t *iter = &t->iters.elem;
iter->cur_cid = -1;
iter->cur_eid = -1;
TRY( *iter = h5priv_alloc (f, NULL, sizeof (h5t_entity_iterator_t)) );
return h5t_begin_iterate_entities (f, *iter, codim);
}
h5_err_t
h5t_release_entity_iterator (
h5_file_t* const f,
h5t_entity_iterator_t* iter
) {
return h5priv_free (f, iter);
}
h5_err_t
h5t_begin_iterate_entities (
h5_file_t* f,
h5t_entity_iterator_t* iter,
int codim
) {
iter->face_idx = -1;
iter->elem_idx = -1;
iter->codim = codim;
iter->ref_element = f->t->ref_element;
switch (iter->ref_element->dim - codim) {
case 0: // iterate vertices
iter->find = h5tpriv_find_tv2;
break;
case 1: // iterate edges
iter->find = h5tpriv_find_te2;
break;
case 2: // iterate faces
iter->find = h5tpriv_find_td2;
break;
case 3: // iterate elems
iter->find = NULL;
break;
default:
return h5_error_internal (f, __FILE__, __func__, __LINE__);
}
return skip_to_next_elem_on_level (f, iter);
}
h5_id_t
h5t_iterate_entities (
h5_file_t* const f,
h5t_entity_iterator_t* iter
) {
if (iter->codim > 0) {
return h5tpriv_iterate_faces (f, iter);
} else if (iter->codim == 0) {
return h5tpriv_iterate_elems (f, iter);
} else {
return h5_error_internal (f, __FILE__, __func__, __LINE__);
}
}
h5_err_t
h5t_end_iterate_entities (
h5_file_t* const f,
h5t_entity_iterator_t* iter
) {
iter->face_idx = -1;
iter->elem_idx = -1;
iter->codim = -1;
iter->ref_element = NULL;
iter->find = NULL;
return H5_SUCCESS;
}
h5_err_t
h5t_get_vertex_coords_by_index (
h5_file_t* const f,
h5_id_t vertex_index,
h5_float64_t P[3]
) {
h5_vertex_t *vertex = &f->t->vertices[vertex_index];
memcpy ( P, &vertex->P, sizeof ( vertex->P ) );
return H5_SUCCESS;
}
h5_err_t
h5t_get_vertrex_coords_by_id (
h5_file_t* const f,
h5_id_t vertex_id,
h5_float64_t P[3]
) {
h5_id_t vertex_index;
h5t_get_vertex_index_of_vertex (f, vertex_id, &vertex_index );
h5t_get_vertex_coords_by_index (f, vertex_index, P);
return H5_SUCCESS;
}