kalmar/Groups.jl
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IdSymbol, one, etc. are now replaced by overloading parent object

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kalmar 2017-05-11 17:40:49 +02:00
parent ba3ca8a0ba
commit ae1dac76fc
1 changed files with 0 additions and 9 deletions
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src/Groups.jl
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@ -24,11 +24,6 @@ abstract GSymbol
length(s::GSymbol) = (s.pow == 0 ? 0 : 1) length(s::GSymbol) = (s.pow == 0 ? 0 : 1)
IdSymbol(T::Type{GSymbol}) = throw(ArgumentError("Define IdSymbol(::Type{$T}) which is the identity element for Your type!"))
one{T<:GSymbol}(::Type{T}) = IdSymbol(T)
one(s::GSymbol) = one(typeof(s))
(*){T<:GSymbol}(s::T, t::T) = return GWord{T}([s])*t (*){T<:GSymbol}(s::T, t::T) = return GWord{T}([s])*t
change_pow(s::GSymbol, n::Int) = throw(ArgumentError("Define change_pow function for $(typeof(s))!")) change_pow(s::GSymbol, n::Int) = throw(ArgumentError("Define change_pow function for $(typeof(s))!"))
@ -45,15 +40,11 @@ end
GWord{T<:GSymbol}(s::T) = GWord{T}([s]) GWord{T<:GSymbol}(s::T) = GWord{T}([s])
convert{T<:GSymbol, W<:Word}(::Type{W}, s::T) = GWord{T}(s) convert{T<:GSymbol, W<:Word}(::Type{W}, s::T) = GWord{T}(s)
IDWord{T<:GSymbol}(::Type{T}) = GWord(one(T))
IDWord{T<:GSymbol}(W::GWord{T}) = IDWord(T)
function length(W::GWord) function length(W::GWord)
return sum([abs(s.pow) for s in W.symbols]) return sum([abs(s.pow) for s in W.symbols])
end end
one{T}(::Type{GWord{T}}) = IDWord(T)
one{T}(w::GWord{T}) = one(GWord{T})
function inv{T}(W::GWord{T}) function inv{T}(W::GWord{T})
if length(W) == 0 if length(W) == 0