From 7c9e732c7c2718cc3b551dc3b390f9ad5b4e0960 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Tue, 13 May 2008 18:09:59 -0400
Subject: [PATCH] Id-map unsupported expressions in FlattenMapper.

---
 src/mapper/flattener.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mapper/flattener.py b/src/mapper/flattener.py
index 40f35c0..41eaa40 100644
--- a/src/mapper/flattener.py
+++ b/src/mapper/flattener.py
@@ -11,7 +11,9 @@ class FlattenMapper(IdentityMapper):
     def map_product(self, expr):
         from pymbolic.primitives import flattened_product
         return flattened_product(expr.children)
-            
+
+    def handle_unsupported_expression(self, expr):
+        return expr
 
 
 
-- 
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