From f6ace6ece7d0b206040ee2ed7fa726ca8e43a632 Mon Sep 17 00:00:00 2001
From: liangjg <liangjg2008@gmail.com>
Date: Thu, 28 Mar 2019 17:03:06 -0400
Subject: [PATCH] fix photon analog tally: do not zero out p->wgt_last_ before
 tallying

---
 src/physics.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/physics.cpp b/src/physics.cpp
index 1cfd316580..258cea9248 100644
--- a/src/physics.cpp
+++ b/src/physics.cpp
@@ -56,7 +56,6 @@ void collision(Particle* p)
   if (p->E_ < settings::energy_cutoff[type]) {
     p->alive_ = false;
     p->wgt_ = 0.0;
-    p->wgt_last_ = 0.0;
   }
 
   // Display information about collision