From 8eefcf50468679bc654a6aadc765c5f6dbf0a4c9 Mon Sep 17 00:00:00 2001
From: Stephanie Marcu <stephanie.marcu@logilab.fr>
Date: Tue, 18 Nov 2008 11:17:58 +0100
Subject: add a method to test equality between two floats

---
 testlib.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/testlib.py b/testlib.py
index e45e9b6..7f4e9d2 100644
--- a/testlib.py
+++ b/testlib.py
@@ -38,6 +38,7 @@ import unittest
 import difflib
 import types
 import tempfile
+import math
 from shutil import rmtree
 from operator import itemgetter
 from warnings import warn
@@ -1592,6 +1593,12 @@ succeeded test into", osp.join(os.getcwd(),FILE_RESTART)
         if msg is None:
             msg = "unexpected reference to None"
         self.assert_( obj is not None, msg )
+
+    def assertFloatEquals(self, obj, other, prec=1e-5, msg=None):
+        """compares two floats"""
+        if msg is None:
+            msg = "%r != %r" % (obj, other)
+        self.assert_(math.fabs(obj - other) < prec)
     
     def failUnlessRaises(self, excClass, callableObj, *args, **kwargs):
         """override default failUnlessRaise method to return the raised
-- 
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