From 91c0e3407fd636151bfe04d47c47a12144803abe Mon Sep 17 00:00:00 2001
From: Ingmar Schoegl <ischoegl@lsu.edu>
Date: Mon, 4 Jul 2022 06:50:00 -0500
Subject: [PATCH] [Kinetics] Remove NAN sentinel from PlogRate

---
 include/cantera/kinetics/PlogRate.h | 4 ++++
 src/kinetics/PlogRate.cpp           | 4 +---
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/cantera/kinetics/PlogRate.h b/include/cantera/kinetics/PlogRate.h
index 9671738e05..840ef52268 100644
--- a/include/cantera/kinetics/PlogRate.h
+++ b/include/cantera/kinetics/PlogRate.h
@@ -181,6 +181,10 @@ class PlogRate final : public ReactionRate
     //! reaction.
     std::multimap<double, ArrheniusRate> getRates() const;
 
+    virtual bool ready() const override {
+        return rates_.size() && !(rates_.size() > 1 && !rates_[1].ready());
+    }
+
 protected:
     //! log(p) to (index range) in the rates_ vector
     std::map<double, std::pair<size_t, size_t>> pressures_;
diff --git a/src/kinetics/PlogRate.cpp b/src/kinetics/PlogRate.cpp
index b83a272053..b941dd8d4e 100644
--- a/src/kinetics/PlogRate.cpp
+++ b/src/kinetics/PlogRate.cpp
@@ -86,9 +86,7 @@ void PlogRate::getParameters(AnyMap& rateNode, const Units& rate_units) const
 {
     std::vector<AnyMap> rateList;
     rateNode["type"] = type();
-    if (!rates_.size()
-        || (rates_.size() > 1 && std::isnan(rates_[1].preExponentialFactor())))
-    {
+    if (!ready()) {
         // object not fully set up
         return;
     }