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Numbering_dh.h
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42 
43 #ifndef NUMBERING_DH_H
44 #define NUMBERING_DH_H
45 
46 
47 /* code and algorithms in this class adopted from Edmond Chow's
48  ParaSails
49 */
50 
51 
52 #include "euclid_common.h"
53 
54 #ifdef __cplusplus
55 extern "C"
56 {
57 #endif
58 
60  {
61  int size; /* max number of indices that can be stored;
62  (length of idx_ext[])
63  */
64  int first; /* global number of 1st local index (row) */
65  int m; /* number of local indices (number of local rows in mat) */
66  int *idx_ext; /* sorted list of external indices */
67  int *idx_extLo; /* sorted list of external indices that are < first */
68  int *idx_extHi; /* sorted list of external indices that are >= first+m */
69  int num_ext; /* number of external (non-local) indices = num_extLo+num_extHi */
70  int num_extLo; /* number of external indices < first */
71  int num_extHi; /* number of external indices >= first+num_loc */
73 
74  bool debug;
75  };
76 
77  extern void Numbering_dhCreate (Numbering_dh * numb);
78  extern void Numbering_dhDestroy (Numbering_dh numb);
79 
80  /* must be called before calling Numbering_dhGlobalToLocal() or
81  Numbering_dhLocalToGlobal().
82  */
83  extern void Numbering_dhSetup (Numbering_dh numb, Mat_dh mat);
84 
85 
86  /* input: global_in[len], which contains global row numbers.
87  output: local_out[len], containing corresponding local numbers.
88  note: global_in[] and local_out[] may be identical.
89  */
90  extern void Numbering_dhGlobalToLocal (Numbering_dh numb, int len,
91  int *global_in, int *local_out);
92 
93 #ifdef __cplusplus
94 }
95 #endif
96 #endif
Definition: Mat_dh.h:62
void Numbering_dhSetup(Numbering_dh numb, Mat_dh mat)
Definition: Numbering_dh.c:105
Hash_i_dh global_to_local
Definition: Numbering_dh.h:72
void Numbering_dhGlobalToLocal(Numbering_dh numb, int len, int *global, int *local)
Definition: Numbering_dh.c:211
void Numbering_dhCreate(Numbering_dh *numb)
Definition: Numbering_dh.c:54
void Numbering_dhDestroy(Numbering_dh numb)
Definition: Numbering_dh.c:78