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annotate ch6ex1.py @ 42:039249efe42f
Chapter 6, exercise 2, #4. Wrote a program to output the center column of
a rule 30 CA as a stream of bytes. It is very slow though. It has to run a very
long time to produce enough data for dieharder. Committing it now but will have
to let it run overnight or something to generate a large file.
| author | Brian Neal <bgneal@gmail.com> |
|---|---|
| date | Sun, 13 Jan 2013 16:24:00 -0600 |
| parents | 49db586c727a |
| children |
| rev | line source |
|---|---|
| bgneal@39 | 1 """Chapter 6, exercise 1 in Allen Downey's Think Complexity book. |
| bgneal@39 | 2 |
| bgneal@39 | 3 "Download thinkcomplex.com/CA.py and thinkcomplex.com/CADrawer.py and confirm |
| bgneal@39 | 4 that they run on your system; you might have to install additional Python |
| bgneal@39 | 5 packages." |
| bgneal@39 | 6 |
| bgneal@39 | 7 """ |
| bgneal@39 | 8 import sys |
| bgneal@39 | 9 |
| bgneal@39 | 10 import CA |
| bgneal@39 | 11 from CADrawer import PyplotDrawer |
| bgneal@39 | 12 |
| bgneal@39 | 13 def main(script, rule, n): |
| bgneal@39 | 14 rule = int(rule) |
| bgneal@39 | 15 n = int(n) |
| bgneal@39 | 16 ca = CA.CA(rule, n) |
| bgneal@39 | 17 ca.start_single() |
| bgneal@39 | 18 ca.loop(n - 1) |
| bgneal@39 | 19 |
| bgneal@39 | 20 drawer = PyplotDrawer() |
| bgneal@39 | 21 drawer.draw(ca) |
| bgneal@39 | 22 drawer.show() |
| bgneal@39 | 23 |
| bgneal@39 | 24 |
| bgneal@39 | 25 if __name__ == '__main__': |
| bgneal@39 | 26 main(*sys.argv) |