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konkam · Nov 8, 2018 · 3b54741 · 3b54741
1 parent 7950c8b
commit 3b54741
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/helper_functions.jl b/src/helper_functions.jl
@@ -41,7 +41,7 @@ function signed_log_sum_exp(lx, signs)
   m = maximum(lx)
   scaled_sum = sum(signs .* exp.(lx .- m))
   if scaled_sum == 0
-    return [1., 0.]
+    return [1., -Inf]
   elseif scaled_sum < 0
     sgn = -1
     scaled_sum = -1*scaled_sum

diff --git a/test/test_helper_functions.jl b/test/test_helper_functions.jl
@@ -10,5 +10,5 @@ using StatsFuns
     @test res[1] == -1.0
     res = ExactWrightFisher.signed_log_sum_exp([2, 2, 4, 4], [1, -1, 1, -1])
     @test res[1] == 1.0
-    @test res[2] == 0
+    @test res[2] == -Inf
 end