p4est
1.0
|
forest topology in a conventional mesh format More...
#include <p4est_ghost.h>
Go to the source code of this file.
Data Structures | |
struct | p4est_mesh_t |
This structure contains complete mesh information on the forest. More... | |
struct | p4est_mesh_face_neighbor_t |
This structure can be used as the status of a face neighbor iterator. More... | |
Functions | |
size_t | p4est_mesh_memory_used (p4est_mesh_t *mesh) |
Calculate the memory usage of the mesh structure. | |
p4est_mesh_t * | p4est_mesh_new (p4est_t *p4est, p4est_ghost_t *ghost, p4est_connect_type_t btype) |
Create a p4est_mesh structure. | |
void | p4est_mesh_destroy (p4est_mesh_t *mesh) |
Destroy a p4est_mesh structure. | |
p4est_quadrant_t * | p4est_mesh_quadrant_cumulative (p4est_t *p4est, p4est_locidx_t cumulative_id, p4est_topidx_t *which_tree, p4est_locidx_t *quadrant_id) |
Find a quadrant based on its cumulative number in the local forest. | |
void | p4est_mesh_face_neighbor_init2 (p4est_mesh_face_neighbor_t *mfn, p4est_t *p4est, p4est_ghost_t *ghost, p4est_mesh_t *mesh, p4est_topidx_t which_tree, p4est_locidx_t quadrant_id) |
Initialize a mesh neighbor iterator by quadrant index. | |
void | p4est_mesh_face_neighbor_init (p4est_mesh_face_neighbor_t *mfn, p4est_t *p4est, p4est_ghost_t *ghost, p4est_mesh_t *mesh, p4est_topidx_t which_tree, p4est_quadrant_t *quadrant) |
Initialize a mesh neighbor iterator by quadrant pointer. | |
p4est_quadrant_t * | p4est_mesh_face_neighbor_next (p4est_mesh_face_neighbor_t *mfn, p4est_topidx_t *ntree, p4est_locidx_t *nquad, int *nface, int *nrank) |
Move the iterator forward to loop around neighbors of the quadrant. | |
void * | p4est_mesh_face_neighbor_data (p4est_mesh_face_neighbor_t *mfn, void *ghost_data) |
Get the user data for the current face neighbor. |
forest topology in a conventional mesh format
void p4est_mesh_destroy | ( | p4est_mesh_t * | mesh | ) |
Destroy a p4est_mesh structure.
[in] | mesh | Mesh structure previously created by p4est_mesh_new. |
void* p4est_mesh_face_neighbor_data | ( | p4est_mesh_face_neighbor_t * | mfn, |
void * | ghost_data | ||
) |
Get the user data for the current face neighbor.
[in] | mfn | Internal status of the iterator. |
[in] | ghost_data | Data for the ghost quadrants that has been synchronized with p4est_ghost_exchange_data. |
void p4est_mesh_face_neighbor_init | ( | p4est_mesh_face_neighbor_t * | mfn, |
p4est_t * | p4est, | ||
p4est_ghost_t * | ghost, | ||
p4est_mesh_t * | mesh, | ||
p4est_topidx_t | which_tree, | ||
p4est_quadrant_t * | quadrant | ||
) |
Initialize a mesh neighbor iterator by quadrant pointer.
[out] | mfn | A p4est_mesh_face_neighbor_t to be initialized. |
[in] | which_tree | Tree of quadrant whose neighbors are looped over. |
[in] | quadrant | Pointer to quadrant contained in which_tree. |
void p4est_mesh_face_neighbor_init2 | ( | p4est_mesh_face_neighbor_t * | mfn, |
p4est_t * | p4est, | ||
p4est_ghost_t * | ghost, | ||
p4est_mesh_t * | mesh, | ||
p4est_topidx_t | which_tree, | ||
p4est_locidx_t | quadrant_id | ||
) |
Initialize a mesh neighbor iterator by quadrant index.
[out] | mfn | A p4est_mesh_face_neighbor_t to be initialized. |
[in] | which_tree | Tree of quadrant whose neighbors are looped over. |
[in] | quadrant_id | Index relative to which_tree of quadrant. |
p4est_quadrant_t* p4est_mesh_face_neighbor_next | ( | p4est_mesh_face_neighbor_t * | mfn, |
p4est_topidx_t * | ntree, | ||
p4est_locidx_t * | nquad, | ||
int * | nface, | ||
int * | nrank | ||
) |
Move the iterator forward to loop around neighbors of the quadrant.
[in,out] | mfn | Internal status of the iterator. |
[out] | ntree | If not NULL, the tree number of the neighbor. |
[out] | nquad | If not NULL, the quadrant number within tree. For ghosts instead the number in ghost layer. |
[out] | nface | If not NULL, neighbor's face as in p4est_mesh_t. |
[out] | nrank | If not NULL, the owner process of the neighbor. |
size_t p4est_mesh_memory_used | ( | p4est_mesh_t * | mesh | ) |
Calculate the memory usage of the mesh structure.
[in] | mesh | Mesh structure. |
p4est_mesh_t* p4est_mesh_new | ( | p4est_t * | p4est, |
p4est_ghost_t * | ghost, | ||
p4est_connect_type_t | btype | ||
) |
Create a p4est_mesh structure.
[in] | p4est | A forest that is fully 2:1 balanced. |
[in] | ghost | The ghost layer created from the provided p4est. |
[in] | btype | Currently ignored, only face neighbors are stored. |
p4est_quadrant_t* p4est_mesh_quadrant_cumulative | ( | p4est_t * | p4est, |
p4est_locidx_t | cumulative_id, | ||
p4est_topidx_t * | which_tree, | ||
p4est_locidx_t * | quadrant_id | ||
) |
Find a quadrant based on its cumulative number in the local forest.
[in] | p4est | Forest to be worked with. |
[in] | cumulative_id | Cumulative index over all trees of quadrant. |
[in,out] | which_tree | If not NULL, the input value can be -1 or an initial guess for the quadrant's tree and output is the tree of returned quadrant. |
[out] | quadrant_id | If not NULL, the number of quadrant in tree. |