HasherInt.H
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23 
24 InNamespace
25  Foam
26 
27 Description
28  Optimized hashing functions.
29 
30 SeeAlso
31  Hasher.H
32 
33 \*---------------------------------------------------------------------------*/
34 
35 #ifndef HasherInt_H
36 #define HasherInt_H
37 
38 #include "Hasher.H"
39 #include "int.H"
40 
41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
42 
43 namespace Foam
44 {
45 
46 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
47 
48  //- An optimized version of Hasher
49  // \param[in] data - an array of uint32_t values
50  // \param[in] length - the number of values (not bytes)
51  // \param[in] seed - the previous hash, or an arbitrary value
52  unsigned HasherInt(const uint32_t* data, size_t length, unsigned seed = 0);
53 
54  //- An optimized version of Hasher, returning dual hash values
55  // \param[in] data - an array of uint32_t values
56  // \param[in] length - the number of values (not bytes)
57  // \param[in] hash1 - the previous hash, or an arbitrary value
58  // on output, the primary hash value
59  // \param[in] hash1 - the previous hash, or an arbitrary value
60  // on output, the secondary hash value
61  unsigned HasherDual
62  (
63  const uint32_t* data,
64  size_t length,
65  unsigned& hash1,
66  unsigned& hash2
67  );
68 
69 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
70 
71 } // End namespace Foam
72 
73 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
74 
75 #endif
76 
77 // ************************************************************************* //
System integer.
unsigned HasherInt(const uint32_t *data, size_t length, unsigned seed=0)
An optimized version of Hasher.
Definition: Hasher.C:517
Namespace for OpenFOAM.
unsigned HasherDual(const uint32_t *data, size_t length, unsigned &hash1, unsigned &hash2)
An optimized version of Hasher, returning dual hash values.
Definition: Hasher.C:561
Misc. hashing functions, mostly from Bob Jenkins.