Preserve nonlinear verbosity when resizing caches

Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com>

Author: ChrisRackauckas

lib/OrdinaryDiffEqNonlinearSolve/Project.toml

@@ -1,7 +1,7 @@
 name = "OrdinaryDiffEqNonlinearSolve"
 uuid = "127b3ac7-2247-4354-8eb6-78cf4e7c58e8"
 authors = ["Chris Rackauckas <accounts@chrisrackauckas.com>", "Yingbo Ma <mayingbo5@gmail.com>"]
-version = "2.3.0"
+version = "2.3.1"
 
 [deps]
 NonlinearSolve = "8913a72c-1f9b-4ce2-8d82-65094dcecaec"

lib/OrdinaryDiffEqNonlinearSolve/src/newton.jl

@@ -132,7 +132,10 @@ function initialize!(
                 SciMLBase.remake(cache.prob; u0 = copy(z), p = nlp_params)
             end
             cache.prob = new_prob
-            cache.cache = init(new_prob, cache.cache.alg)
+            cache.cache = init(
+                new_prob, cache.cache.alg;
+                verbose = integrator.opts.verbose.nonlinear_verbosity
+            )
         else
             SciMLBase.reinit!(cache.cache, z, p = nlp_params)
         end

test/InterfaceIII/verbosity.jl

@@ -428,5 +428,21 @@ using NonlinearSolve: NonlinearVerbosity
             @test integrator.cache.nlsolver.cache.cache.verbose == NonlinearVerbosity(SciMLLogging.Detailed())
         end
 
+        @testset "Resize preserves Detailed NonlinearVerbosity" begin
+            resize_prob = ODEProblem((du, u, p, t) -> du .= u, [1.0], (0.0, 1.0))
+            verbose = DEVerbosity(nonlinear_verbosity = SciMLLogging.Detailed())
+            integrator = init(
+                resize_prob, ImplicitEuler(nlsolve = NonlinearSolveAlg());
+                verbose, dt = 0.1
+            )
+            expected = NonlinearVerbosity(SciMLLogging.Detailed())
+            @test integrator.cache.nlsolver.cache.cache.verbose == expected
+
+            resize!(integrator, 2)
+            step!(integrator)
+
+            @test integrator.cache.nlsolver.cache.cache.verbose == expected
+        end
+
     end
 end