Merge pull request #202 from SciML/ChrisRackauckas-patch-1

Fix UMFPACK no symbolic factorization branch

Author: ChrisRackauckas

src/factorization.jl

@@ -292,7 +292,7 @@ function SciMLBase.solve(cache::LinearCache, alg::UMFPACKFactorization; kwargs..
             # Caches the symbolic factorization: https://github.com/JuliaLang/julia/pull/33738
             fact = lu!(cache.cacheval, A)
         else
-            fact = do_factorization(alg, A, cache.b, cache.u)
+            fact = lu(A)
         end
         cache = set_cacheval(cache, fact)
     end

test/basictests.jl

@@ -89,6 +89,7 @@ end
         prob1 = LinearProblem(sparse(A1), b1; u0 = x1)
         prob2 = LinearProblem(sparse(A2), b2; u0 = x2)
         test_interface(UMFPACKFactorization(), prob1, prob2)
+        test_interface(UMFPACKFactorization(reuse_symbolic = false), prob1, prob2)
 
         # Test that refactoring wrong throws.
         cache = SciMLBase.init(prob1, UMFPACKFactorization(); cache_kwargs...) # initialize cache