module CousinRoman
Constants
- FACTORS
- FIVES
- LITERALS
- ONES
- SUBTRACTIVES
- VERSION
Public Class Methods
literals_for_pow(pow)
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# File lib/cousin_roman.rb, line 42 def self.literals_for_pow(pow) one, five = ONES.keys[pow], FIVES.keys[pow] subtractives = if pow.between? 0, 2 skeys = SUBTRACTIVES.keys { 4 => skeys[pow*2], 9 => skeys[pow*2 + 1] } else nil end { one: one, five: five, subtractives: subtractives } end