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make pow a keyword argument for all primitive AutSymbols

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kalmar 2017-01-21 17:22:55 +01:00
parent cb5b70c74d
commit 9eeeb452f0
1 changed files with 11 additions and 5 deletions
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16
AutGroups.jl
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@ -43,22 +43,28 @@ function change_pow(s::AutSymbol, n::Int)
end
end
function rmul_AutSymbol(i,j, pow::Int=1)
inv(f::AutSymbol) = change_pow(f, -1*f.pow)
(^)(s::AutSymbol, n::Integer) = change_pow(s, s.pow*n)
function rmul_AutSymbol(i,j; pow::Int=1)
gen = string('ϱ',Char(8320+i), Char(8320+j)...)
return AutSymbol(gen, pow, :(ϱ($i,$j)))
end
function lmul_AutSymbol(i,j, pow::Int=1)
function lmul_AutSymbol(i,j; pow::Int=1)
gen = string('λ',Char(8320+i), Char(8320+j)...)
return AutSymbol(gen, pow, :(λ($i,$j)))
end
function flip_AutSymbol(j, pow::Int=1)
function flip_AutSymbol(j; pow::Int=1)
gen = string('ɛ', Char(8320 + j))
return AutSymbol(gen, pow%2, :(ɛ($j)))
return AutSymbol(gen, (2+ pow%2)%2, :(ɛ($j)))
end
function symmetric_AutSymbol(perm::Vector{Int}, pow::Int=1)
function symmetric_AutSymbol(perm::Vector{Int}; pow::Int=1)
# if perm == collect(1:length(perm))
# return one(AutSymbol)
# end
perm = Permutation(perm)
ord = order(perm)
pow = pow % ord