From 00ee6a1956cd3d1c1654cff64a63dc044bce8f2a Mon Sep 17 00:00:00 2001
From: James Cherry <cherry@parallaxsw.com>
Date: Wed, 11 Mar 2026 11:58:58 -0700
Subject: [PATCH] liberty max_transition warning resolves #403

Signed-off-by: James Cherry <cherry@parallaxsw.com>
---
 liberty/LibertyReader.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/liberty/LibertyReader.cc b/liberty/LibertyReader.cc
index c075ad07..32e551b4 100644
--- a/liberty/LibertyReader.cc
+++ b/liberty/LibertyReader.cc
@@ -1520,8 +1520,11 @@ LibertyReader::readCapacitance(const LibertyPortSeq &ports,
       // min/max_transition
       attr_name = min_max->to_string() + "_transition";
       port_group->findAttrFloat(attr_name, limit, exists);
-      if (exists)
+      if (exists) {
+        if (min_max == MinMax::max() && limit == 0.0)
+          libWarn(1241, port_group, "max_transition is 0.0.");
         port->setSlewLimit(limit * time_scale_, min_max);
+      }
     }
 
     // Default capacitance.