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
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