kalmar/GroupRings.jl
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coercion to GroupRing via specified function on underlying groups

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kalmar 2017-06-05 21:37:11 +02:00
parent 7ba59d6508
commit b2231c44e6
1 changed files with 8 additions and 0 deletions
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src/GroupRings.jl
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@ -136,6 +136,14 @@ function (RG::GroupRing)(X::GroupRingElem)
return RG(X.coeffs)
end
function (RG::GroupRing)(X::GroupRingElem, emb::Function)
result = RG(eltype(X.coeffs))
for g in parent(X).basis
result[emb(g)] = X[g]
end
return result
end
###############################################################################
#
# Basic manipulation