central projections tend to be dense

2017-07-12 20:18:42 +02:00 · 2017-07-12 20:18:42 +02:00 · 8819269689
parent 451245419c
commit 8819269689
1 changed files with 1 additions and 0 deletions
--- a/src/Projections.jl
+++ b/src/Projections.jl
@ -97,6 +97,7 @@ end

 function central_projection(RG::GroupRing, char::Function, T::Type=Rational{Int})
    result = RG(T)
+    result.coeffs = full(result.coeffs)
    for g in RG.basis
        result[g] = char(g)
    end