permlib  0.2.9
Library for permutation computations
deterministic_base_transpose.h
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31 
32 
33 #ifndef DETERMINISTICBASETRANSPOSE_H_
34 #define DETERMINISTICBASETRANSPOSE_H_
35 
36 #include <permlib/change/base_transpose.h>
37 #include <permlib/generator/schreier_generator.h>
38 
39 namespace permlib {
40 
42 
45 template<class PERM, class TRANS>
46 class DeterministicBaseTranspose : public BaseTranspose<PERM,TRANS> {
47 protected:
48  typedef typename BaseTranspose<PERM,TRANS>::PERMlist PERMlist;
49 
50  virtual Generator<PERM>* setupGenerator(BSGS<PERM,TRANS> &bsgs, unsigned int i, const PERMlist &S_i, const TRANS &U_i) const;
51 };
52 
53 //
54 // ---- IMPLEMENTATION
55 //
56 
57 template<class PERM, class TRANS>
58 Generator<PERM>* DeterministicBaseTranspose<PERM,TRANS>::setupGenerator(BSGS<PERM,TRANS> &bsgs, unsigned int i, const PERMlist &S_i, const TRANS &U_i) const {
59  return new SchreierGenerator<PERM,TRANS>(&U_i, S_i.begin(), S_i.end());
60 }
61 
62 }
63 
64 #endif // -- DETERMINISTICBASETRANSPOSE_H_
interface for group element generators
Definition: generator.h:40
stateful generator of Schreier generators
Definition: schreier_generator.h:54
abstract base class for base transposition
Definition: base_transpose.h:49
implementation of a deterministic base transposition algorithm
Definition: deterministic_base_transpose.h:46
Represents a base and strong generating set (BSGS)
Definition: bsgs.h:58
virtual Generator< PERM > * setupGenerator(BSGS< PERM, TRANS > &bsgs, unsigned int i, const PERMlist &S_i, const TRANS &U_i) const
initializes the specific Schreier Generator that is used for the BaseTranpose implementation ...
Definition: deterministic_base_transpose.h:58
Definition: abstract_bsgs.h:49