kalmar/Groups.jl
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AutSymbol evaluation -- much simpler

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due to automorphism type carried as an attribute
This commit is contained in:
kalmarek 2017-10-27 16:12:28 +02:00
parent 3d2bc63723
commit 0144c49372
1 changed files with 6 additions and 18 deletions
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24
src/AutGroup.jl
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@ -186,24 +186,12 @@ end
############################################################################### ###############################################################################
function (f::AutSymbol){T}(v::Vector{GWord{T}}) function (f::AutSymbol){T}(v::Vector{GWord{T}})
if f.pow == 0 if f.pow == 0
return v nothing
end else
if f.ex == :(id()) v = f.typ(v, f.pow)
func = identity(v) end
elseif f.ex.args[1] == :ϱ return v
func = ϱ(f.ex.args[2], f.ex.args[3], f.pow)
elseif f.ex.args[1] == :λ
func = λ(f.ex.args[2], f.ex.args[3], f.pow)
elseif f.ex.args[1] == :ɛ
func = ɛ(f.ex.args[2], f.pow)
elseif f.ex.args[1] == :σ
g = PermutationGroup(length(f.ex.args[2]))(f.ex.args[2])
func = σ(g, f.ex.args[3])
else
throw("Unknown AutSymbol!")
end
return func(v)
end end
function (F::AutGroupElem)(v::Vector) function (F::AutGroupElem)(v::Vector)