tompng

# https://github.com/ruby/reline/pull/632

sizes=[]
CHUNK_LAST.zip(CHUNK_WIDTH).each{sizes << _2 while sizes.size <= [_1, 0x10ffff].min };
BITCHUNKS = sizes.each_slice(2048).map do |seg|
  next seg.first if seg.uniq.size == 1
  seg.each_slice(64).map do |sub|
    next sub.first if sub.uniq.size == 1
    s = sub.map { _1 == -1 ? 3 : _1 }.reverse.join
    num = s.to_i(4)

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

MAYBE_TIOCGETC = [
  0x40067412, # M2 Mac
  2, # docker rubyfarm? something is wrong

  # unknown, found in github search
  ('T'.ord << 8) | 2,
  ('t'.ord << 8) | 18
]
cchars = "\0" * 256
STDIN.ioctl(TIOCGETC, cchars)

tompng

def fibo_c(n)
  return 1 if n == 0
  a=fibo_c(n/2)*b=1i**n[0]
  b.*a.abs2+(a.*2+1i).real*a.imag.i
end

10.times.map{fibo_c(_1).real}
# => [1, 1, 2, 3, 5, 8, 13, 21, 34, 55]

tompng

                               ⠁⠠⠐⢀⢀⠄⠁⠄⠐⠂⠁⢀⠁⢀⠈⢀⢀⠈
                         ⠠⠈⠈⠄⠁⡁⡁⠃⢅⡤⠴⡔⢉⢄⢁⡄⠙⡐⢃⠬⠎⢁⡠⠢⡂⠌⠈⢀⢀⠈
                     ⠁⠠⠐⡈⠆⢁⢅⢅⡰⣐⠔⡖⠍⢑⢕⢩⡲⠃⠌⡆⡊⠴⣔⠔⣐⠢⡜⡜⠠⠏⢀⠁⠆⠢⠊⠁⠐⡀
                 ⠐⢀⡀⠰⠦⠉⢆⠖⠞⢸⠅⢒⢑⠺⡜⢴⣖⡞⢈⠏⡯⣚⠰⠃⣄⡻⢮⢞⣖⠿⢈⢸⡏⡨⠾⡬⠒⢐⡅⢠⠃⢁⡂⠑⠁⠐
               ⠐⢀⠤⠨⢁⠏⠛⠤⠏⠸⡂⠝;BEGIN{->s{eval((a="⡉⢐⡊⡕⢹⢨⡃⢚⣀⢃⠂⠠⠂⠜⠩⠄⠄⠠
            ⠄⢀⠑⠋⠅⠫⠄⠒⠏⡪⡕";s.gsub(/[^!-~]/,'')))}.[]"⠩⡖⡶⠹⢳⠄⢪⣇⣌⡪⡐⠃⠕⠜⠒⠈⠈
          ⠈⠂⠂⠊⢅⡍⡄⡗⣌⡴⠁⡒$s=[⡙⠭⣐⢚];⢧⡸de⢴f⡨(⠮⢵s⠷e⢗⠙⠏lf).⠖⢀⢤⣾⢱⢍⡰⠆⡔⠏⢑⠣⢈⡃⢀⡂⠐⡀
         ⠁⠁⠆⡢⢈⡡⠔⠛⡪⡲⢂⢊⣏met⣄⠂⣰hod⢭⠱_⢳mi⣷ssin⡫g⡓(a⠴⢸⡲)=$⠝⡎⣓⢵⣏⡢⢼⡐⢸⣋⣁⡰⠮⢤⡨⠤⡀⠂
       ⠄⠠⣀⡒⡋⠣⢌⠑⣇⡖⠧⣙⡙⣻⡌s<<⡾⡾a⡳.⢸to⢯_⡌s;⢟⣣⡾at_⠞e⡡x⠷⢒it{⢆⡝⣆⢛⠋⢮⡻⡖⡵⣍⡤⢑⡢⣡⠂⠭⠡⠙⠂⢀
      ⠠⠂⢂⢐⢀⡒⡋⡋⡱⣢⠋⡂⣕⢋⢪⠳⢁a,b⣃⢾=⣯⡆a.sp⡼l⡣it;⢼⡌c,*⣺⠰⢇d,e⢦⠧⡏⣪⣃⢯⢗⠶⣠⠦⠝⡲⠩⣃⢶⡮⠧⠱⡨⠒⠂⠈

tompng

class Integer
  def self.isqrt(n)
    return 0 if n == 0
    return 1 if n < 4
    shift = [n.bit_length / 4, 1].max
    x = Integer.isqrt(n >> (shift * 2))
    x = (x << (shift - 1)) + (n >> (shift + 1)) / x
    xx = x * x
    while xx > n
      xx -= 2 * x - 1

tompng

           t=(     s="     wav                   e=-               >c{     eva                           l(c.split(
           $/)   .map{   (_1                    *2)[/               #.+   #/]                            }.j
            oin .de let e('                     #'+ 32.               chr ))}                           ;class<<wa
             ve;de   f+(c)                     =call(c);                 end;w                         ave
              ").     tr"                    #$/     ",+                   '';                       eval(t)+%~

       s        .                s p  l  i      t(Re  g e   x    p    .  n  e # s p =3 2. c h        r   ; q =
                ) .                    z i  p (  [ 0,4,4       ,   5  ,  1 ,  1, 3# w (  s    p    +   ' +  ')
                3, 2                     , 2 ,  1  ,1,  1  ,  4  ,  1  , 4  ,1 , 3 ,  #      ,   3   ,  4  ,  4   ,
              * _ 1                         })   . join  #  3 ,  3  ,  4 ,  4 , 4  ,4    ]  .  m  a    p   {  s   p

tompng

<link href="https://fonts.googleapis.com/css2?family=Dela+Gothic+One&family=Montserrat:wght@400;500;600;700;800&family=Poppins:wght@400;800;900&display=swap" rel="stylesheet">
<style>canvas{background:white;width:100vw;}body{background:gray;margin:0;}</style>
<script src="/dist/browser.script.iife.js"></script>
<script type="text/ruby">
Time.singleton_class.prepend Module.new{
  def now
    $called = true
    $time ||= 0.0
  end
}

tompng

def big_divmod(numerator, denominator)
  numerator_bits = numerator.bit_length
  denominator_bits = denominator.bit_length
  inv = 1
  accuracy_bits = 1
  target_bits = [numerator_bits - denominator_bits]
  while target_bits[0] > 1
    target_bits.unshift (target_bits[0] * 4 + 1)/ 7
  end
  accuracy_bits = target_bits.shift

tompng

def string_radix(s)
  if s.match?(/0x/i)
    [16, 2]
  elsif s.match?(/0o/i)
    [8, 2]
  elsif s.match?(/0b/i)
    [2, 2]
  elsif s.start_with?('0')
    [8, 0]
  else