Module: Radix

Defined in:
lib/radix.rb,
lib/radix/base.rb,
lib/radix/float.rb,
lib/radix/integer.rb,
lib/radix/numeric.rb,
lib/radix/rational.rb

Defined Under Namespace

Modules: BASE Classes: Base, Float, Integer, Numeric, Rational

Constant Summary collapse

VERSION =

TODO: Here only for buggy RUby 1.8.x.

metadata['version']
DOT =

Redix separator used in string and array representations.

'.'
DIV = 
'/'
DIVIDER = 
" "

Class Method Summary collapse

Class Method Details

.const_missing(name) ⇒ Object 



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# File 'lib/radix.rb', line 15

def self.const_missing(name)
  key = name.to_s.downcase
  metadata[key] || super(name)
end

.convert(number, from_base, to_base) ⇒ Object

Convert number from it’s given base to antoher base. Do a standard conversion upto base 62.



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# File 'lib/radix/base.rb', line 107

def self.convert(number, from_base, to_base)
  from_base = Radix::Base.new(from_base) unless Radix::Base === from_base
  to_base   = Radix::Base.new(to_base)   unless Radix::Base === to_base
  to_base.convert(number, from_base)
end

.convert_base(digits, from_base, to_base) ⇒ Object

Convert any base to any other base, using array of digits.



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# File 'lib/radix/base.rb', line 114

def self.convert_base(digits, from_base, to_base)
  bignum = 0
  digits.each { |digit| bignum = bignum * from_base + digit }
  converted = []
  until bignum.zero?
    bignum, digit = bignum.divmod(to_base)
    converted.push(digit)
  end
  converted << 0 if converted.empty?  # THINK: correct?
  converted.reverse
end

.metadata ⇒ Object 



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# File 'lib/radix.rb', line 8

def self.metadata
  @metadata ||= (
    require 'yaml'
    YAML.load(File.new(File.dirname(__FILE__) + '/radix.yml'))
  )
end