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don't compute G.N(p.n) and G.P(g.p) twice when coercing

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kalmar 2017-07-21 13:37:28 +02:00
parent 4fa7d744c2
commit 06a4e50a2d
1 changed files with 4 additions and 4 deletions
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8
src/WreathProducts.jl
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@ -68,18 +68,18 @@ parent(g::WreathProductElem) = WreathProduct(parent(g.n[1]), parent(g.p))
############################################################################### ###############################################################################
function (G::WreathProduct)(g::WreathProductElem) function (G::WreathProduct)(g::WreathProductElem)
try n = try
G.N(g.n) G.N(g.n)
catch catch
throw("Can't coerce $(g.n) to $(G.N) factor of $G") throw("Can't coerce $(g.n) to $(G.N) factor of $G")
end end
try p = try
G.P(g.p) G.P(g.p)
catch catch
throw("Can't coerce $(g.p) to $(G.P) factor of $G") throw("Can't coerce $(g.p) to $(G.P) factor of $G")
end end
elt = WreathProductElem(G.N(g.n), G.P(g.p)) elt = WreathProductElem(n, p)
elt.parent = G # elt.parent = G
return elt return elt
end end