From 374f0bc07ea25df778cd60c333c5b1c15d2d2ce9 Mon Sep 17 00:00:00 2001
From: Lafrite <lafrite@poneyworld.net>
Date: Sat, 7 Mar 2015 18:22:46 +0100
Subject: [PATCH] change mainOp in polynom

---
 pymath/polynom.py | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/pymath/polynom.py b/pymath/polynom.py
index eb31271..f83788d 100644
--- a/pymath/polynom.py
+++ b/pymath/polynom.py
@@ -76,11 +76,13 @@ class Polynom(Explicable):
                 - a: a Expression. [1, Expression("2+3"), 4] designate 1 + (2+3)x + 4x^2
         :param letter: the string describing the unknown
 
-        >>> Polynom([1,2,3]).mainOp
+        >>> Polynom([1, 2, 3]).mainOp
         '+'
         >>> Polynom([1]).mainOp
         '*'
-        >>> Polynom([1,2, 3])._letter
+        >>> Polynom([0, 0, 3]).mainOp
+        '*'
+        >>> Polynom([1, 2, 3])._letter
         'x'
         >>> Polynom([1, 2, 3], "y")._letter
         'y'
@@ -91,9 +93,9 @@ class Polynom(Explicable):
 
         
         if self.is_monom():
-            self.mainOp = "*"
+            self.mainOp = op.mul
         else:
-            self.mainOp = "+"
+            self.mainOp = op.add
 
         self._isPolynom = 1