Fix random test failure in cov.jl due to negative varcorrection (#365)

JuliaStats · Apr 15, 2018 · a0e6f1e · a0e6f1e
1 parent f70a012
commit a0e6f1e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/test/cov.jl b/test/cov.jl
@@ -13,6 +13,12 @@ weight_funcs = (weights, aweights, fweights, pweights)
     w1 = rand(3)
     w2 = rand(8)
 
+    # varcorrection is negative if sum of weights is smaller than 1
+    if f === fweights
+        w1[1] += 1
+        w2[1] += 1
+    end
+
     wv1 = f(w1)
     wv2 = f(w2)