From a67b330d8f1ae8bcef1e5534459dc116f2bda21d Mon Sep 17 00:00:00 2001
From: Ethan Peterson <ethan.peterson@mit.edu>
Date: Thu, 13 Oct 2022 11:57:39 -0400
Subject: [PATCH] round and change default to True

---
 openmc/geometry.py    | 5 +++--
 openmc/model/model.py | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/openmc/geometry.py b/openmc/geometry.py
index 58a33c1b1..edf4c4782 100644
--- a/openmc/geometry.py
+++ b/openmc/geometry.py
@@ -75,7 +75,7 @@ class Geometry:
                 if universe.id in volume_calc.volumes:
                     universe.add_volume_information(volume_calc)
 
-    def export_to_xml(self, path='geometry.xml', remove_surfs=False):
+    def export_to_xml(self, path='geometry.xml', remove_surfs=True):
         """Export geometry to an XML file.
 
         Parameters
@@ -411,7 +411,8 @@ class Geometry:
         """
         tally = defaultdict(list)
         for surf in self.get_all_surfaces().values():
-            coeffs = tuple(surf._coefficients[k] for k in surf._coeff_keys)
+            coeffs = tuple(round(surf._coefficients[k], 10)
+                           for k in surf._coeff_keys)
             key = (surf._type,) + coeffs
             tally[key].append(surf)
         return {replace.id: keep
diff --git a/openmc/model/model.py b/openmc/model/model.py
index 625094cce..a48730091 100644
--- a/openmc/model/model.py
+++ b/openmc/model/model.py
@@ -397,7 +397,7 @@ class Model:
                 depletion_operator.cleanup_when_done = True
                 depletion_operator.finalize()
 
-    def export_to_xml(self, directory='.', remove_surfs=False):
+    def export_to_xml(self, directory='.', remove_surfs=True):
         """Export model to XML files.
 
         Parameters