Function t8_cmesh_trees_init

Function Documentation

void t8_cmesh_trees_init(t8_cmesh_trees_t *ptrees, int num_procs, t8_locidx_t num_trees, t8_locidx_t num_ghosts)

Initialize a trees structure and allocate its parts.

This function allocates the from_procs array without filling it, it also allocates the tree_to_proc and ghost_to_proc arrays. No memory for trees or ghosts is allocated.

Parameters:

  • ptrees – [inout] The trees structure to be initialized.

  • num_procs – [in] The number of entries of its from_proc array (can be different for each process).

  • num_trees – [in] The number of trees that will be stored in this structure.

  • num_ghosts – [in] The number of ghosts that will be stored in this structure.