From b3ccd928e3abd0ba10fea6c40e64867f3106829d Mon Sep 17 00:00:00 2001
From: Houtan Bastani <houtan@dynare.org>
Date: Wed, 27 Sep 2017 15:24:33 +0200
Subject: [PATCH] preprocessor: special output for power deriv in JSON

---
 ExprNode.cc | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/ExprNode.cc b/ExprNode.cc
index 60e46de0..e701170d 100644
--- a/ExprNode.cc
+++ b/ExprNode.cc
@@ -3330,6 +3330,16 @@ BinaryOpNode::writeJsonOutput(ostream &output,
       return;
     }
 
+  if (op_code == oPowerDeriv)
+    {
+      output << "get_power_deriv(";
+      arg1->writeJsonOutput(output, temporary_terms, tef_terms);
+      output << ",";
+      arg2->writeJsonOutput(output, temporary_terms, tef_terms);
+      output << "," << powerDerivOrder << ")";
+      return;
+    }
+
   int prec = precedenceJson(temporary_terms);
 
   bool close_parenthesis = false;
-- 
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