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fix and speed-up complete! and create_pm
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12
src/types.jl
12
src/types.jl
@ -189,10 +189,10 @@ function complete!(RG::GroupRing,
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x = RG.group()
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i_old = 0
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for (i,j) in Iterators.ProductIterator((indX, indY))
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for (j,i) in Iterators.ProductIterator((indY, indX))
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if iszero(RG.pm[i,j])
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if i == i_old
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x = ifelse(twisted, inv(RG[i]), RG[i])
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if i != i_old
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x = (twisted ? inv(RG[i]) : RG[i])
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i_old = i
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end
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RG.pm[i,j] = RG[AbstractAlgebra.mul!(res, x, RG[j])]
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@ -223,9 +223,11 @@ function create_pm(basis::AbstractVector{T}, basis_dict::Dict{T, <:Integer},
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product_matrix = zeros(Int32, limit, limit)
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Threads.@threads for i in 1:size(product_matrix, 1)
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x = ifelse(twisted, inv(basis[i]), basis[i])
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x = (twisted ? inv(basis[i]) : basis[i])
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res = parent(x)()
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for j in 1:size(product_matrix, 2)
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product_matrix[i,j] = basis_dict[x*basis[j]]
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res = AbstractAlgebra.mul!(res, x, basis[j])
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product_matrix[i,j] = basis_dict[res]
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end
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end
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