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-rw-r--r--lib/puppet/parser/functions/ceiling.rb25
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/ceiling.rb b/lib/puppet/parser/functions/ceiling.rb
new file mode 100644
index 0000000..5f3b10b
--- /dev/null
+++ b/lib/puppet/parser/functions/ceiling.rb
@@ -0,0 +1,25 @@
+module Puppet::Parser::Functions
+ newfunction(:ceiling, :type => :rvalue, :doc => <<-EOS
+ Returns the smallest integer greater or equal to the argument.
+ Takes a single numeric value as an argument.
+ EOS
+ ) do |arguments|
+
+ raise(Puppet::ParseError, "ceiling(): Wrong number of arguments " +
+ "given (#{arguments.size} for 1)") if arguments.size != 1
+
+ begin
+ arg = Float(arguments[0])
+ rescue TypeError, ArgumentError => e
+ raise(Puppet::ParseError, "ceiling(): Wrong argument type " +
+ "given (#{arguments[0]} for Numeric)")
+ end
+
+ raise(Puppet::ParseError, "ceiling(): Wrong argument type " +
+ "given (#{arg.class} for Numeric)") if arg.is_a?(Numeric) == false
+
+ arg.ceil
+ end
+end
+
+# vim: set ts=2 sw=2 et :