From 05e51e73f7da2aa9bfa34ed4067ae13b73a1642e Mon Sep 17 00:00:00 2001
From: Sterling Harper <smharper@mit.edu>
Date: Tue, 16 Oct 2018 17:44:21 -0400
Subject: [PATCH] Fix legendre_filter_set_order

---
 src/tallies/tally_filter.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/tallies/tally_filter.cpp b/src/tallies/tally_filter.cpp
index b3b2a7232..c4ce32e7e 100644
--- a/src/tallies/tally_filter.cpp
+++ b/src/tallies/tally_filter.cpp
@@ -158,8 +158,12 @@ extern "C" {
   int legendre_filter_get_order(LegendreFilter* filt)
   {return filt->order_;}
 
-  void legendre_filter_set_order(LegendreFilter* filt, int order)
-  {filt->order_ = order;}
+  void
+  legendre_filter_set_order(LegendreFilter* filt, int order)
+  {
+    filt->order_ = order;
+    filt->n_bins_ = order + 1;
+  }
 
   void
   material_filter_get_bins(MaterialFilter* filt, int32_t** bins, int32_t* n)