fix bool problem for alias_du0

jClugstor · jClugstor · commit 532c3ffb6189 · 2024-12-14T10:19:19.000-05:00
diff --git a/lib/OrdinaryDiffEqCore/src/solve.jl b/lib/OrdinaryDiffEqCore/src/solve.jl
@@ -212,7 +212,7 @@ function DiffEqBase.__init(
     end
 
     if _alg isa DAEAlgorithm
-        if aliases.alias_du0
+        if !isnothing(aliases.alias_du0) && aliases.alias_du0
             du = prob.du0
         else
             du = recursivecopy(prob.du0)
