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lowball API bug   Message List  
Reply | Forward Message #29 of 355 |
[pokersource] Re: lowball API bug

> Regarding an omaha 8-or-better low evaluator... I am always one
> to be profligate with memory or startup time when speed is
> desired. A simple 8-bit plus 8-bit lookup table (2^16 entries)
> should do the trick, with one octet representing the board
> A2345678 bitmask and the other representing the hole card
> A2345678 bitmask. There are only 8-choose-5 = 56 possible low
> hands, meaning that 1 byte is plenty for each element -- and with
> 8 bits an element could even encode the resulting low ranks
> directly.
> -Michael M

Those numbers unfortunately get bigger quickly when you account
for O/9 which is still played some places in California. Still,
I suppose it's still worthwhile to special-case O/8 and let us
oddballs use the slow code.

--
Lee Daniel Crocker <lee@...> <http://www.piclab.com/lcrocker.html>
"All inventions or works of authorship original to me, herein and past,
are placed irrevocably in the public domain, and may be used or modified
for any purpose, without permission, attribution, or notification."--LDC




Tue Mar 21, 2000 12:53 am

lee@...
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Message #29 of 355 |
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I think I've mentioned the error in game_std.h but the bug in eval_low8.c makes me think nobody has used this lib to do any high/low split investigation. Brian...
mph@...
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Mar 19, 2000
11:54 pm

... Thanks for the bug report; will fix. Will eventually get a public CVS server running so you can do that yourself... ... I'm pretty sure I've got working...
Brian Goetz
brian@...
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Mar 20, 2000
12:25 am

... With the huge amount of traffic here I'm not sure thats really important. ... I tried a single O/8 example (a234 single suit vs. a2a3 ds) and got less then...
mph@...
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Mar 20, 2000
2:26 am

... Sorry if I was sloppy in my earlier response -- I mainly had in mind Omaha high (or the high half of high-low) when I came up with my optimization. I ...
Brian Goetz
brian@...
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Mar 20, 2000
2:50 am

Regarding an omaha 8-or-better low evaluator... I am always one to be profligate with memory or startup time when speed is desired. A simple 8-bit plus 8-bit...
Michael Maurer
mjmaurer@...
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Mar 20, 2000
7:29 am

... Those numbers unfortunately get bigger quickly when you account for O/9 which is still played some places in California. Still, I suppose it's still...
Lee Daniel Crocker
lee@...
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Mar 21, 2000
1:01 am

... That was my exactly my thought for the encoding of an Omaha low evaluator. Quick reject on the board saves time if you are going to analyze a number of...
Stephen H. Landrum
slandrum@...
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Mar 20, 2000
5:52 pm
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