From f37ab9adfa0444316d344a2b35263f7d4875f6f8 Mon Sep 17 00:00:00 2001
From: Brett <brettgraham@gmail.com>
Date: Fri, 18 Oct 2024 13:42:30 -0400
Subject: [PATCH] add changelog

---
 changes/311.bugfix.rst | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 changes/311.bugfix.rst

diff --git a/changes/311.bugfix.rst b/changes/311.bugfix.rst
new file mode 100644
index 00000000..1a93b4a1
--- /dev/null
+++ b/changes/311.bugfix.rst
@@ -0,0 +1 @@
+Fix abs_deriv handling of off-edge and nan values.