From c409f492d9114e4c9e7b62b2cb1ce4f147f7ecc1 Mon Sep 17 00:00:00 2001
From: Tomas Stolker <stolker@strw.leidenuniv.nl>
Date: Tue, 24 Sep 2024 20:02:43 +0200
Subject: [PATCH] Check if standard deviation is zero with np.isclose

---
 orbitize/plot.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/orbitize/plot.py b/orbitize/plot.py
index 7832236a..52e1f30e 100644
--- a/orbitize/plot.py
+++ b/orbitize/plot.py
@@ -112,7 +112,7 @@ def plot_corner(results, param_list=None, **corner_kwargs):
         index_num = results.param_idx[label_key]
 
         # only plot non-fixed parameters
-        if np.std(results.post[:, index_num]) > 0:
+        if not np.isclose(0.0, np.std(results.post[:, index_num])):
             param_indices.append(index_num)
             if (
                 label_key.startswith("aop")