From cd3c08f85ecbee9e1379303ca8c6c3a60619a611 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Fri, 13 Sep 2013 20:50:22 -0500
Subject: [PATCH] Fix an error message for multi-D indexing on arrays without
dim_tags
---
loopy/kernel/array.py | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/loopy/kernel/array.py b/loopy/kernel/array.py
index e829d7001..ebaff7283 100644
--- a/loopy/kernel/array.py
+++ b/loopy/kernel/array.py
@@ -917,18 +917,20 @@ def get_access_info(ary, index, eval_expr):
array_name = ary.name
- if ary.shape is None:
+ if ary.dim_tags is None:
if len(index) != 1:
- raise LoopyError("Array '%s' has unknown shape (shape is None) and "
- "therefore only supports one-dimensional indexing."
+ raise LoopyError("Array '%s' has no known axis implementation "
+ "tags and therefore only supports one-dimensional "
+ "indexing. (Did you mean 'shape=loopy.auto' instead of "
+ "'shape=None'?)"
% ary.name)
return AccessInfo(array_name=array_name, subscripts=index, vector_index=None)
- if len(ary.shape) != len(index):
+ if len(ary.dim_tags) != len(index):
raise LoopyError("subscript to '%s[%s]' has the wrong "
"number of indices (got: %d, expected: %d)" % (
- ary.name, index, len(index), len(ary.shape)))
+ ary.name, index, len(index), len(ary.dim_tags)))
num_target_axes = ary.num_target_axes()
--
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