From 95e79937c21d61f1e384512f1a8c1915e0da1ee1 Mon Sep 17 00:00:00 2001
From: Michael Schindler <m-schindler@users.sourceforge.net>
Date: Tue, 27 Sep 2005 08:37:53 +0000
Subject: [PATCH] allow empty return value for realpolyroots

git-svn-id: https://pyx.svn.sourceforge.net/svnroot/pyx/trunk/pyx@2490 069f4177-920e-0410-937b-c2a4a81bcd90
---
 pyx/helper.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pyx/helper.py b/pyx/helper.py
index 7a62b19c..d500aa01 100644
--- a/pyx/helper.py
+++ b/pyx/helper.py
@@ -41,9 +41,12 @@ def realpolyroots(coeffs, epsilon=1e-5, polish=0):
     The solution is found via an equivalent eigenvalue problem
     """
 
+    if not coeffs:
+        return []
+
     try:
         1.0 / coeffs[-1]
-    except:
+    except ZeroDivisionError:
         roots = realpolyroots(coeffs[:-1], epsilon=epsilon)
     else:
         # divide the coefficients by the maximal order
-- 
2.11.4.GIT