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generalize groupparse to arbitrary number of gens

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kalmarek 2020-04-23 16:43:40 +02:00
parent 9c9b9b5e37
commit bc183ec5f4
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1 changed files with 8 additions and 4 deletions
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src/groupparse.jl
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@ -34,13 +34,17 @@ function parse_magma_fpgroup(str::AbstractString)
end end
function parse_magma_fpgroup(gens_str::AbstractVector{<:AbstractString}, rels_str::AbstractVector{<:AbstractString}) function parse_magma_fpgroup(gens_str::AbstractVector{<:AbstractString}, rels_str::AbstractVector{<:AbstractString})
rels_expr = Meta.parse.(rels_str)
expr = :([$(rels_expr...)]) gens_arr = Symbol.(gens_str)
gens_expr = Expr(:tuple, gens_arr...)
rels_arr = Meta.parse.(rels_str)
rels_expr = :([$(rels_arr...)])
F = FreeGroup(String.(gens_str)) F = FreeGroup(String.(gens_str))
relations = @eval begin relations = @eval begin
a,b,c = AbstractAlgebra.gens($F) $gens_expr = AbstractAlgebra.gens($F);
$expr $rels_expr
end end
return F/relations return F/relations