1 files changed, 13 insertions, 0 deletions
diff --git a/test/assert.rb b/test/assert.rb
index 54b50138e..a4918ce23 100644
--- a/test/assert.rb
+++ b/test/assert.rb
@@ -65,3 +65,16 @@ def report()
   print("\n")
 end
 
+##
+# Performs fuzzy check for equality on methods returning floats
+# on the basis of the Math::TOLERANCE constant.
+def check_float(a, b)
+  a = a.to_f
+  b = b.to_f
+  if a.finite? and b.finite?
+    (a-b).abs < Math::TOLERANCE
+  else
+    true
+  end
+end
+