diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py
index c6d0611..7a76664 100644
--- a/Lib/test/test_support.py
+++ b/Lib/test/test_support.py
@@ -18,5 +18,24 @@
 		except os.error:
 			pass
 
+FUZZ = 1e-6
+
+def fcmp(x, y): # fuzzy comparison function
+	if type(x) == type(0.0) or type(y) == type(0.0):
+		try:
+			x, y = coerce(x, y)
+			fuzz = (abs(x) + abs(y)) * FUZZ
+			if abs(x-y) <= fuzz:
+				return 0
+		except:
+			pass
+	elif type(x) == type(y) and type(x) in (type(()), type([])):
+		for i in range(min(len(x), len(y))):
+			outcome = fcmp(x[i], y[i])
+			if outcome <> 0:
+				return outcome
+		return cmp(len(x), len(y))
+	return cmp(x, y)
+
 TESTFN = '@test' # Filename used for testing
 from os import unlink