Maybe fix the version issue this way?

nathanaelbosch · Nov 16, 2023 · 2490273 · 2490273
1 parent de21d4b
commit 2490273
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/ext/DiffEqDevToolsExt.jl b/ext/DiffEqDevToolsExt.jl
@@ -18,7 +18,11 @@ function chi2(gaussian_estimate, actual_value)
             return convert(eltype(actual_value), Inf)
         end
     end
-    return diff' * (Σ \ diff)
+    @static if VERSION < v"1.6"
+        return diff' * (Matrix(Σ) \ diff)
+    else
+        return diff' * (Σ \ diff)
+    end
 end
 
 function DiffEqDevTools.appxtrue(