From 2a60bf7c1ed0396045125e279c6f40dca5d40ba6 Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Sat, 20 Mar 2021 21:02:55 +0100
Subject: Fixed stack overflow, still slow...

---
 glass.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/glass.cpp b/glass.cpp
index 7623765..e8739d0 100644
--- a/glass.cpp
+++ b/glass.cpp
@@ -139,7 +139,7 @@ template<unsigned D> class System {
       if (overlaps(p).empty()) {
         typename std::unordered_map<unsigned, Particle<D>>::iterator it;
         std::tie(it, std::ignore) = particles.insert({r.uniform((unsigned)0, (unsigned)pow(2, 28)), p});
-        p.position.occupant = std::prev(particles.end());
+        p.position.occupant = it;
         return true;
       } else {
         return false;
-- 
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