lib/interval_notation.rb in interval_notation-0.1.1 vs lib/interval_notation.rb in interval_notation-0.1.2

@@ -36,11 +36,15 @@
       def oc(from, to)
         IntervalSet.new_unsafe( [BasicIntervals::OpenClosedInterval.new(from, to)] )
       end
 
       def cc(from, to)
-        IntervalSet.new_unsafe( [BasicIntervals::ClosedClosedInterval.new(from, to)] )
+        if from != to
+          IntervalSet.new_unsafe( [BasicIntervals::ClosedClosedInterval.new(from, to)] )
+        else
+          IntervalSet.new_unsafe( [BasicIntervals::Point.new(from)] )
+        end
       end
 
       def pt(value)
         IntervalSet.new_unsafe( [BasicIntervals::Point.new(value)] )
       end
@@ -84,10 +88,14 @@
       def open_closed(from, to)
         IntervalSet.new_unsafe( [BasicIntervals::OpenClosedInterval.new(from, to)] )
       end
 
       def closed_closed(from, to)
-        IntervalSet.new_unsafe( [BasicIntervals::ClosedClosedInterval.new(from, to)] )
+        if from != to
+          IntervalSet.new_unsafe( [BasicIntervals::ClosedClosedInterval.new(from, to)] )
+        else
+          IntervalSet.new_unsafe( [BasicIntervals::Point.new(from)] )
+        end
       end
 
       def point(value)
         IntervalSet.new_unsafe( [BasicIntervals::Point.new(value)] )
       end