puppetlabs-stdlib/lib/puppet/parser/functions/ceiling.rb

25 lines
780 B
Ruby

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
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