X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=python%2Frational.py;h=5a9ee629b3bcdc56328f9ecc9b9a4951d4fabe56;hb=69f0ec479a6ade46d0a227755bb02562112c6743;hp=e3c93d9c17c55745d352f132325ce63cea793de8;hpb=5983075187669cba3eea0268b9eeda69f7ed2e94;p=lilypond.git

diff --git a/python/rational.py b/python/rational.py
index e3c93d9c17..5a9ee629b3 100644
--- a/python/rational.py
+++ b/python/rational.py
@@ -2,7 +2,6 @@
 
 from __future__ import division
 
-import decimal as _decimal
 import math as _math
 
 def _gcf(a, b):
@@ -39,13 +38,18 @@ class Rational(object):
            raise TypeError('denominator must have integer type')
        if not denominator:
            raise ZeroDivisionError('rational construction')
-       # Store the fraction in reduced form as _n/_d
-       factor = _gcf(numerator, denominator)
-       self._n = numerator // factor
-       self._d = denominator // factor
+       self._d = denominator
+       self._n = numerator
+       self.normalize_self()
+    # Cancel the fraction to reduced form
+    def normalize_self(self):
+       factor = _gcf(self._n, self._d)
+       self._n = self._n // factor
+       self._d = self._d // factor
        if self._d < 0:
            self._n = -self._n
            self._d = -self._d
+
     def numerator(self):
 	return self._n