update retcode from symbol (#288)

* update retcode from symbol

* Add tests

* Bump the version number

---------

Co-authored-by: David Widmann <[email protected]>

Author: kaitlyn-loftus

Project.toml

@@ -1,7 +1,7 @@
 name = "DelayDiffEq"
 uuid = "bcd4f6db-9728-5f36-b5f7-82caef46ccdb"
 authors = ["Chris Rackauckas <[email protected]>"]
-version = "5.47.1"
+version = "5.47.2"
 
 [deps]
 ArrayInterface = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"

src/integrators/interface.jl

@@ -256,7 +256,7 @@ function DiffEqBase.last_step_failed(integrator::DDEIntegrator)
 end
 
 # terminate integration
-function DiffEqBase.terminate!(integrator::DDEIntegrator, retcode = :Terminated)
+function DiffEqBase.terminate!(integrator::DDEIntegrator, retcode = ReturnCode.Terminated)
     integrator.sol = DiffEqBase.solution_new_retcode(integrator.sol, retcode)
     integrator.opts.tstops.valtree = typeof(integrator.opts.tstops.valtree)()
     nothing

test/integrators/events.jl

@@ -34,6 +34,7 @@ end
 
 # discrete callback
 @testset "discrete" begin
+    # Automatic absolute tolerances
     cb = AutoAbstol()
 
     sol1 = solve(prob, alg, callback = cb)
@@ -42,6 +43,11 @@ end
 
     @test sol3.errors[:L2] < 1.4e-3
     @test sol3.errors[:L∞] < 4.1e-3
+
+    # Terminate early
+    cb = DiscreteCallback((u, t, integrator) -> t == 4, terminate!)
+    sol = @test_logs solve(prob, alg; callback = cb, tstops = [4.0])
+    @test sol.t[end] == 4
 end
 
 @testset "save discontinuity" begin