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make orbit decomposition slightly faster by allocating orbit only once

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kalmarek 2018-03-22 10:52:53 +01:00
parent db455df852
commit e5b4b9220b
1 changed files with 5 additions and 4 deletions
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9
src/OrbitDecomposition.jl
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@ -52,12 +52,13 @@ function orbit_decomposition(G::Nemo.Group, E::Vector, rdict=GroupRings.reverse_
tovisit = trues(E);
orbits = Vector{Vector{Int}}()
orbit = zeros(Int, length(elts))
for i in 1:endof(E)
if tovisit[i]
orbit = zeros(Int, length(elts))
a = E[i]
Threads.@threads for i in 1:length(elts)
orbit[i] = rdict[elts[i](a)]
g = E[i]
Threads.@threads for j in 1:length(elts)
orbit[j] = rdict[elts[j](g)]
end
tovisit[orbit] = false
push!(orbits, unique(orbit))