kalmar/Groups.jl
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FPSymbol inversion

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kalmar 2017-05-11 18:23:01 +02:00
parent e2585b5733
commit 1c638e296c
1 changed files with 3 additions and 0 deletions
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src/FPGroups.jl
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@ -94,6 +94,9 @@ end
(<=)(s::FPSymbol, t::FPSymbol) = s == t || s < t (<=)(s::FPSymbol, t::FPSymbol) = s == t || s < t
inv(s::FPSymbol) = change_pow(s, -s.pow)
function add_rel!{T<:FPSymbol}(G::FPGroup, w::GWord{T}) function add_rel!{T<:FPSymbol}(G::FPGroup, w::GWord{T})
if !(w in G.rels) if !(w in G.rels)
push!(G.rels, w) push!(G.rels, w)