extern PermGroup *centralizer(
PermGroup *const G, /* The containing permutation group. */ const Permutation *const e, /* The point set to be stabilized. */
PermGroup *const L, /* A (possibly trivial) known subgroup of the stabilizer in G of Lambda. (A null pointer
designates a trivial group.) */ const BOOLEAN noPartn, /* If true, suppresses use of ordered
partition based on cycle size. */ const BOOLEAN longCycleOption, /* Always choose next base point in longest cycle; however, at present, all cycles of length 5 or greater are treated as
having the same length. */ const BOOLEAN stdRBaseOption) /* Use std base selection algorithm, ignoring
cycle lengths. */
;
extern Permutation *conjugatingElement(
PermGroup *const G, /* The containing permutation group. */ const Permutation *const e, /* One of the elements. */ const Permutation *const f, /* The other element. */
PermGroup *const L_L, /* A (possibly trivial) known subgroup of the centralizer in G of e. (A null pointer
designates a trivial group.) */
PermGroup *const L_R, /* A (possibly trivial) known subgroup of the centralizer in G of f. (A null pointer
designates a trivial group.) */ const BOOLEAN noPartn, /* If true, suppresses use of ordered
partition based on cycle size. */ const BOOLEAN longCycleOption, /* Always choose next base point in longest cycle; however, at present, all cycles of length 5 or greater are treated as
having the same length. */ const BOOLEAN stdRBaseOption) /* Use std base selection algorithm, ignoring
cycle lengths. */
;
extern PermGroup *groupCentralizer(
PermGroup *const G, /* The containing permutation group. */ const PermGroup *const E, /* The point set to be stabilized. */
PermGroup *const L, /* A (possibly trivial) known subgroup of the stabilizer in G of Lambda. (A null pointer
designates a trivial group.) */ constUnsigned centPartnCount, constUnsigned centGenCount)
;
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