From 151a6ff6daeef6208b96985f076e6eb27596a883 Mon Sep 17 00:00:00 2001
From: kalmarek <kalmar@amu.edu.pl>
Date: Sun, 27 Aug 2017 18:57:27 +0200
Subject: [PATCH] better density for dense matrices

---
 src/Orbit-wise.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Orbit-wise.jl b/src/Orbit-wise.jl
index bab7f60..0fb6fd5 100644
--- a/src/Orbit-wise.jl
+++ b/src/Orbit-wise.jl
@@ -55,7 +55,7 @@ end
 include("OrbitDecomposition.jl")
 
 dens(M::SparseMatrixCSC) = length(M.nzval)/length(M)
-dens(M::AbstractArray) = sum(abs.(M) .!= 0)/length(M)
+dens(M::AbstractArray) = length(findn(M)[1])/length(M)
 
 function sparsify{T}(U::AbstractArray{T}, check=true)
     W = deepcopy(U)