def number_with_precision(number, *args)
options = args.extract_options!
options.symbolize_keys!
defaults = I18n.translate('number.format''number.format', :locale => options[:locale], :raise => true) rescue {}
precision_defaults = I18n.translate('number.precision.format''number.precision.format', :locale => options[:locale],
:raise => true) rescue {}
defaults = defaults.merge(precision_defaults)
unless args.empty?
ActiveSupport::Deprecation.warn('number_with_precision takes an option hash ' +
'instead of a separate precision argument.', caller)
precision = args[0] || defaults[:precision]
end
precision ||= (options[:precision] || defaults[:precision])
separator ||= (options[:separator] || defaults[:separator])
delimiter ||= (options[:delimiter] || defaults[:delimiter])
begin
rounded_number = (Float(number) * (10 ** precision)).round.to_f / 10 ** precision
number_with_delimiter("%01.#{precision}f" % rounded_number,
:separator => separator,
:delimiter => delimiter)
rescue
number
end
end