From da61b6871a118647cd17a8918bebf7becbb8187b Mon Sep 17 00:00:00 2001
From: Sam Cameron <samuel.j.m.cameron@gmail.com>
Date: Tue, 29 Mar 2022 10:46:05 +0100
Subject: [PATCH] Added in check for ellipsoid in brownian_asphere

---
 src/BROWNIAN/fix_brownian_asphere.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/BROWNIAN/fix_brownian_asphere.cpp b/src/BROWNIAN/fix_brownian_asphere.cpp
index 7c65ecb8e9..68199a22c1 100644
--- a/src/BROWNIAN/fix_brownian_asphere.cpp
+++ b/src/BROWNIAN/fix_brownian_asphere.cpp
@@ -42,6 +42,9 @@ FixBrownianAsphere::FixBrownianAsphere(LAMMPS *lmp, int narg, char **arg) :
 
   if (dipole_flag && !atom->mu_flag)
     error->all(FLERR, "Fix brownian/asphere dipole requires atom attribute mu");
+
+  if(!atom->ellipsoid_flag)
+    error->all(FLERR, "Fix brownian/asphere requires atom style ellipsoid");
 }
 
 /* ---------------------------------------------------------------------- */