From f00a776d8dc1348f648ebf0ef9f952d7529d7ef5 Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Sat, 7 Jul 2012 10:35:29 +0200
Subject: [PATCH] Minor fix for BigArray (now accepting negative indexes)

---
 lib/core/bigarray.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/core/bigarray.py b/lib/core/bigarray.py
index 05a5d04a0..f44e96f3f 100644
--- a/lib/core/bigarray.py
+++ b/lib/core/bigarray.py
@@ -78,6 +78,8 @@ class BigArray(list):
         return retval
 
     def __getitem__(self, y):
+        if y < 0:
+            y += len(self)
         index = y / BIGARRAY_CHUNK_LENGTH
         offset = y % BIGARRAY_CHUNK_LENGTH
         chunk = self.chunks[index]