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authorEric Putnam <putnam.eric@gmail.com>2017-07-27 09:24:52 -0700
committerEric Putnam <putnam.eric@gmail.com>2017-07-27 09:38:41 -0700
commit772a2d2f406b65ef65161a04455865b37a1c8456 (patch)
tree1a8211a374c15fb6fbe31809cf07c1df321315d2 /lib/puppet
parentd65a144aea0cd73f4aaa0cef15c74414baba5c8d (diff)
(maint) move/rewrite round() as ruby function
Diffstat (limited to 'lib/puppet')
-rw-r--r--lib/puppet/parser/functions/round.rb33
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/round.rb b/lib/puppet/parser/functions/round.rb
new file mode 100644
index 0000000..489c301
--- /dev/null
+++ b/lib/puppet/parser/functions/round.rb
@@ -0,0 +1,33 @@
+#
+# 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