From 9a76c984ad7291a6b77e8017795718abb7bdd999 Mon Sep 17 00:00:00 2001
From: Ian Bell <ian.bell@nist.gov>
Date: Wed, 15 Mar 2023 11:37:12 -0600
Subject: [PATCH] Add missing derivatives to header

This is why you should make sure it compiles...
---
 include/teqp/derivs.hpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/teqp/derivs.hpp b/include/teqp/derivs.hpp
index 5accdca..8c26ad8 100644
--- a/include/teqp/derivs.hpp
+++ b/include/teqp/derivs.hpp
@@ -278,6 +278,16 @@ struct TDXDerivatives {
     static auto get_Ar20(const Model& model, const Scalar& T, const Scalar& rho, const VectorType& molefrac) {
         return get_Arxy<2, 0, be>(model, T, rho, molefrac);
     }
+    
+    template<ADBackends be = ADBackends::autodiff>
+    static auto get_Ar30(const Model& model, const Scalar& T, const Scalar& rho, const VectorType& molefrac) {
+        return get_Arxy<3, 0, be>(model, T, rho, molefrac);
+    }
+    
+    template<ADBackends be = ADBackends::autodiff>
+    static auto get_Ar21(const Model& model, const Scalar& T, const Scalar& rho, const VectorType& molefrac) {
+        return get_Arxy<2, 1, be>(model, T, rho, molefrac);
+    }
 
     template<ADBackends be = ADBackends::autodiff>
     static auto get_Ar12(const Model& model, const Scalar& T, const Scalar& rho, const VectorType& molefrac) {
-- 
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