Merge pull request #295 from SciML/myb/callbacks

Account for `tdir` in `add_tstop!`
SciML · Dec 31, 2020 · 13121bc · 13121bc · YingboMa · Dec 31, 2020
2 parents 5181d22 + bda0b65
commit 13121bc
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diff --git a/Project.toml b/Project.toml
@@ -1,7 +1,7 @@
 name = "Sundials"
 uuid = "c3572dad-4567-51f8-b174-8c6c989267f4"
 authors = ["Chris Rackauckas <[email protected]>"]
-version = "4.4.0"
+version = "4.4.1"
 
 [deps]
 CEnum = "fa961155-64e5-5f13-b03f-caf6b980ea82"

diff --git a/src/common_interface/integrator_utils.jl b/src/common_interface/integrator_utils.jl
@@ -130,7 +130,7 @@ function handle_callback_modifiers!(integrator::IDAIntegrator)
 end
 
 function DiffEqBase.add_tstop!(integrator::AbstractSundialsIntegrator, t)
-    t < integrator.t &&
+    integrator.tdir * (t - integrator.t) < 0 &&
         error("Tried to add a tstop that is behind the current time. This is strictly forbidden")
     push!(integrator.opts.tstops, t)
 end