Fix return codes

Project.toml

@@ -1,7 +1,7 @@
 name = "SimpleNonlinearSolve"
 uuid = "727e6d20-b764-4bd8-a329-72de5adea6c7"
 authors = ["SciML"]
-version = "0.1.1"
+version = "0.1.2"
 
 [deps]
 ArrayInterfaceCore = "30b0a656-2188-435a-8636-2ec0e6a096e2"

src/raphson.jl

@@ -40,11 +40,11 @@ function SciMLBase.solve(prob::NonlinearProblem,
                                                           fx)
         end
         iszero(fx) &&
-            return SciMLBase.build_solution(prob, alg, x, fx; retcode = ReturnCode.Default)
+            return SciMLBase.build_solution(prob, alg, x, fx; retcode = ReturnCode.Success)
         Δx = dfx \ fx
         x -= Δx
         if isapprox(x, xo, atol = atol, rtol = rtol)
-            return SciMLBase.build_solution(prob, alg, x, fx; retcode = ReturnCode.Default)
+            return SciMLBase.build_solution(prob, alg, x, fx; retcode = ReturnCode.Success)
         end
         xo = x
     end

test/basictests.jl

@@ -18,7 +18,7 @@ end
 const csu0 = 1.0
 
 sol = benchmark_scalar(sf, csu0)
-@test sol.retcode === ReturnCode.Default
+@test sol.retcode === ReturnCode.Success
 @test sol.u * sol.u - 2 < 1e-9
 
 @test (@ballocated benchmark_scalar(sf, csu0)) == 0