From 7042fe1889c2fcda68b84fccbbd1436eb80e203c Mon Sep 17 00:00:00 2001
From: dhruv <dhruvtotla30@gmail.com>
Date: Sat, 31 Jan 2026 15:12:53 +0530
Subject: [PATCH] Fix segmentation fault when ESS < 10 by raising ValueError

---
 dingo/PolytopeSampler.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dingo/PolytopeSampler.py b/dingo/PolytopeSampler.py
index 27f3785..594838b 100644
--- a/dingo/PolytopeSampler.py
+++ b/dingo/PolytopeSampler.py
@@ -138,6 +138,9 @@ def generate_steady_states(
         """
 
         self.get_polytope()
+        
+        if ess < 10:
+            raise ValueError(f"Effective sample size (ess) must be at least 10 to avoid numerical instability. Got {ess}.")
 
         P = HPolytope(self._A, self._b)