karpathy

"""
The most atomic way to train and run inference for a GPT in pure, dependency-free Python.
This file is the complete algorithm.
Everything else is just efficiency.

@karpathy
"""

import os       # os.path.exists
import math     # math.log, math.exp

GZTimeWalker

import qrcode
from qrcode.util import *

def hack_put(self, num, length):
        if num == 0:
            num = 233 # make a fake length
        for i in range(length):
            self.put_bit(((num >> (length - i - 1)) & 1) == 1)

qrcode.util.BitBuffer.put = hack_put

timshen91

template <typename Left, typename Right>
struct ConcatExpr;

template <typename Left, typename Right>
struct AltExpr;

template <typename SubExpr>
struct RepeatExpr;

template <char ch>