check for a Jacobian before autodiffing

ChrisRackauckas · ChrisRackauckas · commit 32a68b63a310 · 2022-12-11T11:34:30.000-05:00
diff --git a/Project.toml b/Project.toml
@@ -1,7 +1,7 @@
 name = "NonlinearSolve"
 uuid = "8913a72c-1f9b-4ce2-8d82-65094dcecaec"
 authors = ["SciML"]
-version = "1.1.0"
+version = "1.1.1"
 
 [deps]
 ArrayInterfaceCore = "30b0a656-2188-435a-8636-2ec0e6a096e2"
diff --git a/src/jacobian.jl b/src/jacobian.jl
@@ -32,7 +32,9 @@ function jacobian!(J::AbstractMatrix{<:Number}, cache)
     jac_config = cache.jac_config
     alg = cache.alg
 
-    if alg_autodiff(alg)
+    if SciMLBase.has_jac(f)
+        f.jac(J, x, cache.p)
+    elseif alg_autodiff(alg)
         forwarddiff_color_jacobian!(J, uf, x, jac_config)
         #cache.destats.nf += 1
     else
