From f1e6b6d19f7b1491a74c2975743709a6f46dee3d Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Tue, 16 Jul 2013 23:41:07 -0400
Subject: [PATCH] Fix vector access

---
 loopy/codegen/expression.py | 8 +-------
 test/test_loopy.py          | 2 +-
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/loopy/codegen/expression.py b/loopy/codegen/expression.py
index f1719a86b..61fd776f1 100644
--- a/loopy/codegen/expression.py
+++ b/loopy/codegen/expression.py
@@ -237,17 +237,11 @@ def dtype_to_type_context(dtype):
     return None
 
 
-VEC_AXES = "xyzw"
-
-
 def get_opencl_vec_member(idx):
     if idx is None:
         return idx
 
-    if idx < len(VEC_AXES):
-        return VEC_AXES[idx]
-    else:
-        return "s%d" % idx
+    return "s%s" % hex(idx)[2:]
 
 
 class SeenFunction(Record):
diff --git a/test/test_loopy.py b/test/test_loopy.py
index b3ec3f8f1..7de8d13bd 100644
--- a/test/test_loopy.py
+++ b/test/test_loopy.py
@@ -1439,7 +1439,7 @@ def test_rob_stroud_bernstein(ctx_factory):
                 ))
 
 
-@pytest.mark.parametrize("vec_len", [2, 3, 4, 8])
+@pytest.mark.parametrize("vec_len", [2, 3, 4, 8, 16])
 def test_vector_types(ctx_factory, vec_len):
     ctx = cl.create_some_context()
 
-- 
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