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remove matrix_reprs - we create them through perm_reprs

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kalmarek 2017-11-08 09:35:26 +01:00
parent 72261afdeb
commit 80deaebb9f
1 changed files with 0 additions and 26 deletions
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26
src/OrbitDecomposition.jl
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@ -100,32 +100,6 @@ function matrix_repr(p::perm)
return sparse(1:N, p.d, [1.0 for _ in 1:N])
end
function matrix_repr(g::GroupElem, E, E_rdict)
repmat = spzeros(Int, length(E), length(E))
for (i,elt) in enumerate(E)
j = E_rdict[g(elt)]
repmat[i,j] = 1
end
return repmat
end
function matrix_reps(G::Nemo.Group, E, E_rdict=GroupRings.reverse_dict(E))
elts = collect(elements(G))
l = length(elts)
mreps = Vector{SparseMatrixCSC{Int, Int}}(l)
Threads.@threads for i in 1:l
mreps[i] = matrix_repr(elts[i], E, E_rdict)
end
return Dict(elts[i]=>mreps[i] for i in 1:l)
end
function matrix_reps{T<:GroupElem}(autS::Nemo.Group, S::Vector{T}, radius::Int)
E, _ = Groups.generate_balls(S, radius=radius)
return matrix_reps(autS, E)
end
function matrix_reps{T<:GroupElem}(preps::Dict{T,perm})
kk = collect(keys(preps))
mreps = Vector{SparseMatrixCSC{Float64, Int}}(length(kk))