1 files changed, 2 insertions, 2 deletions
diff --git a/test/assert.rb b/test/assert.rb
index 239730cb9..5cca59187 100644
--- a/test/assert.rb
+++ b/test/assert.rb
@@ -74,12 +74,12 @@ end
 # Performs fuzzy check for equality on methods returning floats
 # on the basis of the Math::TOLERANCE constant.
 def check_float(a, b)
+  tolerance = 1e-12
   a = a.to_f
   b = b.to_f
   if a.finite? and b.finite?
-    (a-b).abs < Math::TOLERANCE
+    (a-b).abs < tolerance
   else
     true
   end
 end
-