Created
March 3, 2017 18:41
-
-
Save vznvzn/c496f984c802dfc1c32de60a2ad88993 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
def f2(n) | |
n = (n * 3 + 1) / 2 while (n.odd?) | |
n /= 2 while (n.even?) | |
return n | |
end | |
def adv(x) | |
x['n'] = x['nb'].to_i(2) | |
n1 = n = x['n'] | |
l = [n] | |
while (n != 1) | |
n = f2(n) | |
l << n | |
end | |
x['l'] = l | |
x['ls'] = l.size | |
x['ns'] = x['n'].to_s(2).length | |
x['m'] = (0...l.size).max_by { |x| l[x] } | |
# x['y'] = (l.max.to_s(2).length.to_f / x['ns'] * 100).to_i | |
x['y'] = l.max.to_s(2).length | |
$h[x['y']] = [] if (!$h.member?(x['y'])) | |
$h[x['y']] << x | |
# out1(data(x), ['a', 'sd', 'd', 'dl', 'dh', 'mn', 'y']) if (rand(100) == 0) | |
return x | |
end | |
def out1(a, l) | |
if ($f.nil?) then | |
$f = File.open('data.txt', 'w') | |
$f.puts(l.join("\t")) | |
end | |
$f.puts(a.values_at(*l).join("\t")) | |
$f.flush | |
end | |
def stat(l) | |
l = [0] if (l.empty?) | |
t = t2 = 0 | |
l.each \ | |
{ | |
|x| | |
t += x | |
t2 += x ** 2 | |
} | |
c = l.size | |
a = t.to_f / c | |
z = t2.to_f / c - a ** 2 | |
sd = Math.sqrt(z < 0 ? 0 : z) | |
return a, sd, l.max.to_f | |
end | |
def stat2(l, t, n) | |
return Hash[[["a#{n}", "sd#{n}", "mx#{n}"], stat(l).map { |x| x / t }].transpose] | |
end | |
def d(s) | |
c = s.split('').select { |x| x == '1' }.size | |
d = c.to_f / s.length | |
return d | |
end | |
def data(x) | |
n = x['n'] | |
ns = n.to_s(2) | |
nl = ns.length | |
m = nl / 2 | |
nsh = ns[0..m] | |
nsl = ns[m..-1] | |
asdm1 = stat2(ns.split(/0+/).map { |x| x.length }, nl, 1) | |
l1 = ns.split(/1+/) | |
l1.shift | |
asdm0 = stat2(l1.map { |x| x.length }, nl, 0) | |
return {'y' => x['y'], 'd' => d(ns), 'dh' => d(nsh), 'dl' => d(nsl)}.merge(asdm0).merge(asdm1) | |
end | |
def out(fn, l) | |
f = File.open("#{fn}.txt", 'w') | |
f.puts(l[0].keys.join("\t")) | |
l.each { |x| f.puts(x.values.join("\t")) } | |
f.close | |
$stdout.puts("#{l.size} pts") | |
end | |
def init(w, f) | |
s = (0...w).map { rand(2).to_s }.join | |
s[0, 1] = '1' if (f) | |
return s | |
end | |
w = ARGV[0].nil? ? 50 : ARGV[0].to_i | |
$stdout.puts("#{w} width") | |
l = [] | |
f = false | |
$h = {} | |
$c = 10 | |
20.times { l << adv({'nb' => init(w, f)}) } | |
c = 50000 | |
seen = {} | |
i = n = 0 | |
while (n < c) | |
i += 1 | |
l.sort_by! { |x| -x['y'] } | |
t = l.size / 10 | |
case i % 3 | |
when 0 | |
x = l[rand(t)] | |
s = x['nb'] | |
r = f ? (rand(s.length - 1) + 1) : rand(s.length) | |
s[r, 1] = (s[r, 1].to_i ^ 1).to_s | |
when 1 | |
x = l[rand(t)] | |
y = l[rand(t)] | |
sx = x['nb'] | |
sy = y['nb'] | |
s = '' | |
w.times \ | |
{ | |
|j| | |
s[j, 1] = (rand(2) == 0) ? sx[j, 1] : sy[j, 1] | |
} | |
when 2 | |
x = l[rand(t)] | |
y = l[rand(t)] | |
sx = x['nb'] | |
sy = y['nb'] | |
s = '' | |
r = rand(w + 1) | |
w.times \ | |
{ | |
|j| | |
s[j, 1] = (j < r) ? sx[j, 1] : sy[j, 1] | |
} | |
end | |
next if (seen.member?(s)) | |
seen[s] = nil | |
l.pop if (l.size > 500) | |
l << adv({'nb' => s}) | |
n += 1 | |
end | |
$stderr.puts("#{i - n} dups") | |
l = [] | |
$h.sort.each \ | |
{ | |
|k, v| | |
p([k, v.size]) | |
} | |
$h.sort.select { |k, v| v.size >= $c }.each \ | |
{ | |
|k, v| | |
$c.times { l << data(v.delete_at(rand(v.size))) } | |
} | |
out('data', l) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment