From bf7df7cfc09ffc1cee8f7fe2762e2d75a0207a4c Mon Sep 17 00:00:00 2001
From: Abhimanyu Susobhanan <abhisrkckl@gmail.com>
Date: Fri, 19 Jan 2024 13:41:58 -0600
Subject: [PATCH] nan check

---
 src/pint/utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/pint/utils.py b/src/pint/utils.py
index 6d565c1bd..1c0bcf21c 100644
--- a/src/pint/utils.py
+++ b/src/pint/utils.py
@@ -2969,4 +2969,6 @@ def find_optimal_nharms(model, toas, component, nharms_max=45):
                 frozen=False,
             )
 
+    assert all(np.isfinite(aics)), "Infs/NaNs found in AICs!"
+
     return np.argmin(aics), np.array(aics) - np.min(aics)