From 6069d392a3dafa819786b0531383e3bffce12a2a Mon Sep 17 00:00:00 2001
From: Richard Berger <richard.berger@temple.edu>
Date: Wed, 15 Aug 2018 16:44:31 -0400
Subject: [PATCH] favor qsort over mergesort for stable release

---
 src/lmptype.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/lmptype.h b/src/lmptype.h
index 2be1d2ac38..7e359d2abe 100644
--- a/src/lmptype.h
+++ b/src/lmptype.h
@@ -46,6 +46,13 @@
 #define PRId64 "ld"
 #endif
 
+// favor qsort over mergesort for stable release
+// TODO: to be removed after stable release
+
+#ifndef LMP_QSORT
+#define LMP_QSORT
+#endif
+
 namespace LAMMPS_NS {
 
 // enum used for KOKKOS host/device flags