mmpd_adapter/ddd_metis_adapter/ddh_metis_adapter.h

Go to the documentation of this file.

/************************************************************************
File ddh_metis_adapter.h - domain decomposition adapter for external mesh 
                           partitioning libraries Metis and ParMetis       

Contains:
  - constants    
  - data types 
  - function headers     
------------------------------              
History:        
        08.2012 - Kamil Wachala, initial version
        03.2013 - Kazimierz Michalik, incorporating into ModFEM
*************************************************************************/

#ifndef _ddd_metis_adapter_
#define _ddd_metis_adapter_

#include<map>

/* mesh manipulation interface */
#include "mmh_intf.h"

/* parallel mesh manipulation interface */
#include "mmph_intf.h"

// uses
#include "../mmph_adapter.h"

#ifdef __cplusplus
extern "C"{
#endif


/*** LOCAL PROCEDURES  ***/
//--------------------------------------------------------
// ddr_mesh_to_CRS_graph - to save initial mesh (generation=level=1) as graph in compressed storage format
//-------------------------------------------------------
int ddr_mesh_to_CRSGraph(// return >=0 - number of vertices in CSR graph, <0 - error
                         const int Mesh_id);

int ddr_check_CSR(const int Mesh_id) ;

int ddr_PCSR_create_initial_distribution(
        const int Mesh_id);

int mmpr_PCSR_distribute_elems_to_procs(const int Mesh_id,
        const int Source_proc_id);









//int ddr_copy_full_elems(
//        const int Mesh_id,
//        const int Source_proc_id,
//        const int Dest_proc_id,
//        const int N_copied_elems,
//        const int *Copied_elem_ids);





int mmpr_PCSR_create_IPC(// return >=0 - number of vertices in CSR graph for local proc, <0 - error
         const int Mesh_id);
int ddr_PCSR_partition_mesh( /* returns: 1 - success, <0 - error code */
  int Mesh_id, /* ID of the current mesh */
  int Part_amount, /* The number of parts to partition the mesh  */
  int Parition_tool /* Used partition tool. Can be: MAC_USE_KWAY_GRAPH_PART_TOOL or MAC_USE_RB_GRAPH_PART_TOOL */
  );

int mmpr_adaptive_repartition( /* returns: 1 - success, <0 - error code */
  int Mesh_id /* ID of the current mesh */
  );

int ddr_PCSR_improve_partitioning( /* returns: 1 - success, <0 - error code */
  int Mesh_id /* ID of the current mesh */
  );

void mmpr_set_metis_options(const int Mesh_id, idx_t options[]);

void mmpr_set_parmetis_options(const int Mesh_id, idx_t options[]);

void mmpr_init_data(
  int Mesh_id, /* ID of the current mesh */
  int Part_amount /* The number of parts to partition the mesh  */
  );

void mmpr_end_work();

void mmpr_create_overlap(const int MeshID);

// NOTE: if overlap does not exist at all, it will be created as 1 element overlap.
int mmpr_IPC_update(const int Mesh_id,
                   const int* ElemsChanged,
                   const int nElems
                       );
// NOTE: if overlap does not exist at all, it will be created as 1 element overlap.
int mmpr_IPC_expand_overlap(const int Mesh_id
                       );


#ifdef __cplusplus
}
#endif


  
#endif

---