commit 40188782dd9cf3495293d8fe07070d4c642389fd
author Raymond Hettinger <python@rcn.com> Sat Jan 03 09:24:18 2009 +0000
committer Raymond Hettinger <python@rcn.com> Sat Jan 03 09:24:18 2009 +0000
tree b227405566bfdf87272045a2c27575a50fc1920a
parent c921dacf7842a3a89395c68affa25793ee45d3f3

Fractions.from_float() no longer loses precision with large integer inputs.

Lib/fractions.py

diff --git a/Lib/fractions.py b/Lib/fractions.py
index 4adb184..446ad8e 100755
--- a/Lib/fractions.py
+++ b/Lib/fractions.py
@@ -111,7 +111,7 @@
 
         """
         if isinstance(f, numbers.Integral):
-            f = float(f)
+            return cls(f)
         elif not isinstance(f, float):
             raise TypeError("%s.from_float() only takes floats, not %r (%s)" %
                             (cls.__name__, f, type(f).__name__))