From 8e7acf66f5456e12ba2f3610c97efd56e7e321d2 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sat, 9 Jan 2016 15:50:40 -0600
Subject: [PATCH] Fix missing recursion in OperatorBinder

---
 grudge/symbolic/mappers/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grudge/symbolic/mappers/__init__.py b/grudge/symbolic/mappers/__init__.py
index 745d56be..3441852d 100644
--- a/grudge/symbolic/mappers/__init__.py
+++ b/grudge/symbolic/mappers/__init__.py
@@ -326,7 +326,7 @@ class OperatorBinder(CSECachingMapperMixin, IdentityMapper):
                         % first)
             return sym.OperatorBinding(first, self.rec(prod))
         else:
-            return first * self.rec(flattened_product(expr.children[1:]))
+            return self.rec(first) * self.rec(flattened_product(expr.children[1:]))
 
 # }}}
 
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