zero the array where product of X and Y is stored

2017-07-11 16:00:50 +02:00 · 2017-07-11 16:00:50 +02:00 · ed023be1fd
parent 8d22162504
commit ed023be1fd
1 changed files with 1 additions and 0 deletions
--- a/src/GroupRings.jl
+++ b/src/GroupRings.jl
@ -318,6 +318,7 @@ end

 function mul!{T}(result::AbstractVector{T}, X::AbstractVector{T}, Y::AbstractVector{T}, pm::Array{Int,2})
   z = zero(T)
+   result .= z
   for (j,y) in enumerate(Y)
      if y != z
         for (i, index) in enumerate(pm[:,j])