From 299b51b99891008f22eb810767b18b82da3c12e0 Mon Sep 17 00:00:00 2001
From: AlexG31 <AlexG31@users.noreply.github.com>
Date: Fri, 4 Nov 2016 18:06:37 +0800
Subject: [PATCH] bug fix: arange (when step < 0)

Previous arange function have bug when called like arange(10, 1, -1)
---
 smop/core.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/smop/core.py b/smop/core.py
index 58bac9b8..4d694d5c 100644
--- a/smop/core.py
+++ b/smop/core.py
@@ -361,8 +361,9 @@ def arange(start,stop,step=1,**kwargs):
     >>> size(a)
     matlabarray([[ 1, 10]])
     """
+    expand_value = 1 if step > 0 else -1
     return matlabarray(np.arange(start,
-                                 stop+1,
+                                 stop+expand_value,
                                  step,
                                  **kwargs).reshape(1,-1),**kwargs)
 def cat(*args):