From 3ccfa08a115c70833a0ec2a7f4d3995ba0d60372 Mon Sep 17 00:00:00 2001
From: Adam G Nelson <nelsonag@umich.edu>
Date: Sat, 9 Nov 2019 09:24:30 -0600
Subject: [PATCH] minor change to add an inline version of Mgxs::get_xs just
 like @gridley did for mg.get_*_xs

---
 include/openmc/mgxs.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/openmc/mgxs.h b/include/openmc/mgxs.h
index 313677f6cf..71e8c7ec93 100644
--- a/include/openmc/mgxs.h
+++ b/include/openmc/mgxs.h
@@ -143,6 +143,11 @@ class Mgxs {
     get_xs(int xstype, int gin, const int* gout, const double* mu,
       const int* dg);
 
+    inline double
+    get_xs(int xstype, int gin)
+    {return get_xs(xstype, gin, nullptr, nullptr, nullptr);}
+
+
     //! \brief Samples the fission neutron energy and if prompt or delayed.
     //!
     //! @param gin Incoming energy group.