X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=python%2Frational.py;h=5a9ee629b3bcdc56328f9ecc9b9a4951d4fabe56;hb=abf536ef2c251ebf13d7ad9ed432fc3bbb9c5c63;hp=705829e120835269894d3991ad28013208d1d598;hpb=553420c40402e0c5d60363a9078a6bb7584815bc;p=lilypond.git

diff --git a/python/rational.py b/python/rational.py
index 705829e120..5a9ee629b3 100644
--- a/python/rational.py
+++ b/python/rational.py
@@ -38,13 +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