X-Git-Url: https://scm.cri.mines-paristech.fr/git/linpy.git/blobdiff_plain/22d69753489bdafa3401e54be79b58d9e94225a3..e50b2facb441d96febf17a6210370489bbcb9dbf:/pypol/linexprs.py

diff --git a/pypol/linexprs.py b/pypol/linexprs.py
index 4fa8ed1..07d4005 100644
--- a/pypol/linexprs.py
+++ b/pypol/linexprs.py
@@ -413,11 +413,13 @@ def symbols(names):
 class Rational(Expression, Fraction):
 
     def __new__(cls, numerator=0, denominator=None):
-        self = Fraction.__new__(cls, numerator, denominator)
+        self = object().__new__(cls)
         self._coefficients = {}
-        self._constant = Fraction(self)
+        self._constant = Fraction(numerator, denominator)
         self._symbols = ()
         self._dimension = 0
+        self._numerator = self._constant.numerator
+        self._denominator = self._constant.denominator
         return self
 
     def __hash__(self):