From ec93ef9725f14947f0936d0ebe80bfac15c6c24f Mon Sep 17 00:00:00 2001
From: spasmann <46267220+spasmann@users.noreply.github.com>
Date: Sat, 20 Jul 2024 23:34:11 -0400
Subject: [PATCH] Bug fix: particles sourced on cell boundaries

---
 mcdc/kernel.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mcdc/kernel.py b/mcdc/kernel.py
index ca31c9d9..4e689ee7 100644
--- a/mcdc/kernel.py
+++ b/mcdc/kernel.py
@@ -1724,7 +1724,7 @@ def region_check(P, region, trans, mcdc):
         if positive_side:
             if side > 0.0:
                 return True
-        elif side < 0.0:
+        elif side <= 0.0:
             return True
 
         return False