Sha256: dca08d5b86f3a38ceed8d43862caf2b4db4cf0fca0eab7cd1a22984c00bd48db
Contents?: true
Size: 838 Bytes
Versions: 69
Compression:
Stored size: 838 Bytes
Contents
# encoding: utf-8
# Numeric
class Numeric
# return is digit table
#
# ==== Examples
#
# 255 to 256 case
#
# Numeric.to_digit_table(255, 256)
#
# result
#
# |10digit| 2digit|8digit|16digit|
# | 255|0000000011111111| 377| 00ff|
# | 256|0000000100000000| 400| 0100|
#
def self.to_digit_table(from = 1, to = 10)
ret = []
binary_size = to.to_s(2).size - 1
binary_pad = (binary_size / 8 + 1) * 8
oct_size = to.to_s(8).size
hex_size = to.to_s(16).size - 1
hex_pad = (hex_size / 4 + 1) * 4
ret << '|10digit|2digit|8digit|16digit|'
(from..to).each { |i|ret << "|#{i}|#{i.to_s(2).rjust(binary_pad, '0')}|#{i.to_s(8).rjust(oct_size, '0')}|#{i.to_s(16).rjust(hex_pad, '0')}|" }
joined = ret.join("\n") + "\n"
joined.justify_table(:right)
end
end
Version data entries
69 entries across 69 versions & 1 rubygems