From 957eed13316898593aabce67f3a4782dd8494be8 Mon Sep 17 00:00:00 2001
From: Oliver Jahn <jahn@mit.edu>
Date: Wed, 18 Dec 2024 10:22:44 -0500
Subject: [PATCH] MITgcmutils: fix bug in negative salinity check

---
 utils/python/MITgcmutils/MITgcmutils/density.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/python/MITgcmutils/MITgcmutils/density.py b/utils/python/MITgcmutils/MITgcmutils/density.py
index c4d1e0c19b..939831b2fa 100644
--- a/utils/python/MITgcmutils/MITgcmutils/density.py
+++ b/utils/python/MITgcmutils/MITgcmutils/density.py
@@ -37,7 +37,7 @@
 def _check_salinity(s):
 
     sneg = s<0
-    if not np.any(sneg):
+    if np.any(sneg):
         warnings.warn('found negative salinity values')
         # warnings.warn('found negative salinity values, reset them to nan')
         # s[sneg] = np.nan