tompng

def series(l, r)
  if r - l <= 1
    p = (2 * r - 1) * (6 * r - 5) * (6 * r - 1)
    q = r * r * r * 10939058860032000
    a = (r % 2 == 0 ? 1 : -1) * (13591409 + 545140134 * r)

    [p, q, a * p]
  else
    m = (l + r) / 2
    p0, q0, t0 = series(l, m)

tompng

# https://gist.github.com/gongo/c404167ae49165acd4df63c27ae1a54c

# iseqの中から [:putobject, object], :RUBY_EVENT_RETURN や [:putstring, "string"], ?, :RUBY_EVENT_RETURN を雑に探す作戦
def nanika_no_method(code)
  flat_iseq = RubyVM::InstructionSequence.new(code).to_a.flatten
  flat_iseq.select.with_index do |s, idx|
    flat_iseq[idx + 1, 2].include?(:RUBY_EVENT_RETURN) && %i[putobject putstring].include?(flat_iseq[idx - 1])
  end.uniq
end

tompng

#! ./ruby -I.ext/x86_64-darwin14 --disable-gems
require '-test-/iseq_load/iseq_load'

def spaghetti(&block)
  iseq_data_magic_index         = 0
  iseq_data_major_version_index = 1
  iseq_data_minor_version_index = 2
  iseq_data_format_type_index   = 3
  iseq_data_misc_index          = 4
  iseq_data_label_index         = 5

tompng

#coding: utf-8

class Te
  attr_accessor :te_num
  def initialize num=nil
    self.te_num = num ? num % 3 : rand(3)
  end

  def > te
    (te_num + 1) % 3 == te.te_num