--- /dev/null
+#
+# round.rb
+#
+
+module Puppet::Parser::Functions
+ newfunction(:round, :type => :rvalue, :doc => <<-EOS
+ Rounds a number to the nearest integer
+
+ *Examples:*
+
+ round(2.9)
+
+ returns: 3
+
+ round(2.4)
+
+ returns: 2
+
+ EOS
+ ) do |args|
+
+ raise Puppet::ParseError, "round(): Wrong number of arguments given #{args.size} for 1" if args.size != 1
+ raise Puppet::ParseError, "round(): Expected a Numeric, got #{args[0].class}" unless args[0].is_a? Numeric
+
+ value = args[0]
+
+ if value >= 0
+ Integer(value + 0.5)
+ else
+ Integer(value - 0.5)
+ end
+ end
+end