From 3e0509e60731bce1ba231768605dd8b3a885efb1 Mon Sep 17 00:00:00 2001
From: TimoRoth <timo.rothenpieler@uni-bremen.de>
Date: Tue, 24 May 2016 14:33:49 +0200
Subject: [PATCH] Scale to 0 if <0

Prevents possible ValueError exceptions
---
 progressbar/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/progressbar/utils.py b/progressbar/utils.py
index 1df42635..0f8f0de1 100644
--- a/progressbar/utils.py
+++ b/progressbar/utils.py
@@ -36,7 +36,7 @@ def scale_1024(x, n_prefixes):
     >>> scale_1024(2048, 3)
     (2.0, 1)
     '''
-    if x == 0:
+    if x <= 0:
         power = 0
     else:
         power = min(int(math.log(x, 2) / 10), n_prefixes - 1)