approximately_equals.rb in eymiha_math-0.1.1

- old
+ new

@@ -1,8 +1,16 @@
 # Approminately equals returns true when values are close enough, within some
-# distance epsilon above or below the given value.
+# distance epsilon above or below the given value. Three methods and a class
+# variable are added to the Numeric class.
+#
+# @@epsilon, and two class methods, Numeric.epsilon and Numeric.epsilon= get
+# and set the maximum difference between two values for them to be
+# approximately equal.
+#
+# approximately_equals? and the aliased operator =~ return true if two values
+# are approximately equal.
 
-# Adds the approximately equals operation to Numeric and its progeny.
+# Behavor added to Numeric by eymiha_math.
 class Numeric
   
   # The initial default distance from a Numeric below which it is considered
   # to be approximately equal to a another Numeric.
   @@epsilon = 0.0000000001