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Hash_i_dh.h
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42 
43 /* This is similar to the Hash_i_dh class (woe, for a lack
44  of templates); this this class is for hashing data
45  consisting of single, non-negative integers.
46 */
47 
48 
49 #ifndef HASH_I_DH
50 #define HASH_I_DH
51 
52 #include "euclid_common.h"
53 
54 
55 #ifdef __cplusplus
56 extern "C"
57 {
58 #endif
59 
60 /*
61  class methods
62  note: all parameters are inputs; the only output
63  is the "int" returned by Hash_i_dhLookup.
64 */
65  extern void Hash_i_dhCreate (Hash_i_dh * h, int size);
66  /* For proper operation, "size," which is the minimal
67  size of the hash table, must be a power of 2.
68  Or, pass "-1" to use the default.
69  */
70 
71 
72  extern void Hash_i_dhDestroy (Hash_i_dh h);
73  extern void Hash_i_dhReset (Hash_i_dh h);
74 
75  extern void Hash_i_dhInsert (Hash_i_dh h, int key, int data);
76  /* throws error if <data, data> is already inserted;
77  grows hash table if out of space.
78  */
79 
80  extern int Hash_i_dhLookup (Hash_i_dh h, int key);
81  /* returns "data" associated with "key,"
82  or -1 if "key" is not found.
83  */
84 
85 #ifdef __cplusplus
86 }
87 #endif
88 #endif
void Hash_i_dhReset(Hash_i_dh h)
Definition: Hash_i_dh.c:160
void Hash_i_dhInsert(Hash_i_dh h, int key, int dataIN)
Definition: Hash_i_dh.c:206
void Hash_i_dhCreate(Hash_i_dh *h, int sizeIN)
Definition: Hash_i_dh.c:95
int size
Definition: Hash_i_dh.c:81
Hash_i_Record * data
Definition: Hash_i_dh.c:84
void Hash_i_dhDestroy(Hash_i_dh h)
Definition: Hash_i_dh.c:146
int Hash_i_dhLookup(Hash_i_dh h, int key)
Definition: Hash_i_dh.c:170