Module: Useful::RubyExtensions::Numeric::ClassMethods

Defined in:
lib/useful/ruby_extensions/numeric.rb

Instance Method Summary collapse

Instance Method Details

#pad_precision(num, opts = {}) ⇒ Object 



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# File 'lib/useful/ruby_extensions/numeric.rb', line 22

def pad_precision(num, opts = {})
  opts[:precision] ||= 2
  opts[:separator] ||= '.'
  opts[:pad_number] ||= 0
  num_s = num.to_s
  num_s << opts[:separator] unless num_s.include?(opts[:separator])
  ljust_count = num_s.split(opts[:separator])[0].length
  ljust_count += (num_s.count(opts[:separator]) + opts[:precision].to_i) if opts[:precision] > 0
  num_count = num.to_s.length
  if ljust_count >= num_count
    num_s.ljust(ljust_count, opts[:pad_number].to_s)
  else
    num_s[0..(ljust_count-1)]
  end
end