From 9df71488b32b6a68020f793bc745cdeacefcd3ae Mon Sep 17 00:00:00 2001
From: osa <osa@opencascade.com>
Date: Mon, 13 Jan 2020 12:14:59 +0300
Subject: [PATCH] 0031295: Foundation Classes, BVH_Tools - incorrect detection
 of ray-box intersection

---
 src/BVH/BVH_Tools.hxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/BVH/BVH_Tools.hxx b/src/BVH/BVH_Tools.hxx
index ad5b6099cc..847d904a56 100644
--- a/src/BVH/BVH_Tools.hxx
+++ b/src/BVH/BVH_Tools.hxx
@@ -269,7 +269,7 @@ public: //! @name Ray-Box Intersection
     T aTimeEnter = Max (aTimeMin[0], Max (aTimeMin[1], aTimeMin[2]));
     T aTimeLeave = Min (aTimeMax[0], Min (aTimeMax[1], aTimeMax[2]));
 
-    Standard_Boolean hasIntersection = aTimeEnter < aTimeLeave && aTimeLeave > 0;
+    Standard_Boolean hasIntersection = aTimeEnter <= aTimeLeave && aTimeLeave >= 0;
     if (hasIntersection)
     {
       theTimeEnter = aTimeEnter;