From: Vivien Maisonneuve <v.maisonneuve@gmail.com>
Date: Thu, 19 Jun 2014 07:08:45 +0000 (+0200)
Subject: Fix Symbol creation
X-Git-Tag: 1.0~238
X-Git-Url: https://svn.cri.ensmp.fr/git/linpy.git/commitdiff_plain/288355579f9b2160e341e1d48910a66a0124ab04?ds=sidebyside;hp=37b02d24c845fa3c75c48a99e5e658d772b72289

Fix Symbol creation
---

diff --git a/pypol/linear.py b/pypol/linear.py
index bd7037b..8f73fd3 100644
--- a/pypol/linear.py
+++ b/pypol/linear.py
@@ -62,7 +62,7 @@ class Expression:
                 for symbol, coefficient in coefficients if coefficient != 0]
         if len(coefficients) == 0:
             return Constant(constant)
-        elif len(coefficients) == 1:
+        elif len(coefficients) == 1 and constant == 0:
             symbol, coefficient = coefficients[0]
             if coefficient == 1:
                 return Symbol(symbol)