From 569e4dd84c17a0e6a989cb4320a014791a27c654 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Fri, 13 Sep 2013 20:43:52 -0500
Subject: [PATCH] Add an error message for multi-D indexing on unknown-shape
arrays
---
loopy/kernel/array.py | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/loopy/kernel/array.py b/loopy/kernel/array.py
index 85c905e3f..e829d7001 100644
--- a/loopy/kernel/array.py
+++ b/loopy/kernel/array.py
@@ -918,6 +918,11 @@ def get_access_info(ary, index, eval_expr):
array_name = ary.name
if ary.shape is None:
+ if len(index) != 1:
+ raise LoopyError("Array '%s' has unknown shape (shape is None) and "
+ "therefore only supports one-dimensional indexing."
+ % ary.name)
+
return AccessInfo(array_name=array_name, subscripts=index, vector_index=None)
if len(ary.shape) != len(index):
--
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