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parametrise central_projection by the type of character

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kalmar 2017-07-17 09:43:19 +02:00
parent 05691b5202
commit 820517a04e
1 changed files with 3 additions and 3 deletions
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6
src/Projections.jl
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@ -95,15 +95,15 @@ end
#
###############################################################################
function central_projection(RG::GroupRing, char::Function, T::Type=Rational{Int})
function central_projection{F<:Function}(RG::GroupRing, chi::F, T::Type=Rational{Int})
result = RG(T)
result.coeffs = full(result.coeffs)
for g in RG.basis
result[g] = char(g)
result[g] = chi(g)
end
dim = result[RG.group()]
ord = Int(order(RG.group))
return convert(T, (dim//ord)*result)
return convert(T, (dim//ord))*result
end
function rankOne_projections(G::PermutationGroup, T::Type=Rational{Int})