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15:25:36 <DocPlatypus> hmm
15:25:42 <DocPlatypus> anyone here well versed in GNU Forth locals?
15:25:48 <DocPlatypus> err
15:25:52 <DocPlatypus> GNU Forth internals, I mean?
15:27:04 <DocPlatypus> trying to figure out how to add support for larger value-flavored numbers. I have the source to TO in front of me and I'm a bit lost.
15:28:00 <Free-man> doc do it the lispy way
15:28:44 <Free-man> do you mean multiprecision numbers?
15:29:26 <DocPlatypus> Free-man: specific-size larger than double numbers
15:29:30 <Free-man> o
15:29:46 <DocPlatypus> for the moment, triples and quads
15:29:46 <Free-man> (gilda radner says "never mind")
15:29:53 <Free-man> :)
15:30:14 <DocPlatypus> what did you mean by multiprecision?
15:30:34 <Free-man> huge, multi-byte, numbers
15:30:41 <Free-man> peta and beyond
15:30:56 <Free-man> treta actually
15:30:59 <Free-man> :)
15:31:08 <Free-man> you dont know who gilda was, huh?
15:33:04 <DocPlatypus> oh.
15:33:19 <DocPlatypus> no idea who gilda is
15:33:21 <DocPlatypus> or was
15:33:25 <Free-man> ok you're too young
15:33:26 <Free-man> :)
15:33:35 <Free-man> she was an original player on SNL.
15:33:55 <DocPlatypus> oh.
15:34:07 <DocPlatypus> we might be talking about the same thing
15:34:19 <Free-man> ok; review what you're doin then
15:34:23 <DocPlatypus> these are big numbers
15:34:29 <Free-man> bitlen?
15:34:34 <DocPlatypus> but the same way you have a double, I have a triple and quad
15:34:40 <Free-man> k
15:34:51 <Free-man> 128bits
15:34:58 <DocPlatypus> yeah on a 32 bit cell system
15:35:00 <Free-man> so, you're using the extended insns of x86?
15:35:44 <DocPlatypus> I've bootstrapped code to add/subtract/multiply/divide with triples and quads from the instructions available in GNU Forth
15:36:00 <Free-man> ok; but i'm disappointed :)
15:36:13 <DocPlatypus> I had written out a whole bunch of this when I got bored, all the way up to octo (8 cell) numbers
15:36:19 <Free-man> nice
15:36:22 <Free-man> when ya gonna share?
15:36:29 <DocPlatypus> I'm putting the finishing touches on it
15:36:35 * ASau did that many years ago.
15:36:42 <DocPlatypus> anyway
15:36:43 <Free-man> /bin/sh: 256: command not found
15:36:46 <Free-man> wow
15:36:49 <DocPlatypus> this code I'm writing uses quads
15:36:50 <ASau> I don't consider it sensible, though.
15:37:29 <ASau> It is better to rely on slightly more effective primitives than you can find in standard.
15:37:42 <Free-man> IOW, he's saying machine code :)
15:37:45 <DocPlatypus> I'm reading four cells' worth of random numbers at a time from /dev/urandom
15:37:45 <Free-man> primitives
15:38:36 <DocPlatypus> to do dice rolls
15:38:58 <DocPlatypus> some of these words that I have coded can be rewritten for speed
15:39:05 <Free-man> shoud be :)
15:39:09 <DocPlatypus> they are a tad slow in Forth but usable
15:39:10 <Free-man> or
15:39:20 * ASau doesn't think it is reasonable to use urandom.
15:39:20 <Free-man> ``dont bogart that interpreter'' 
15:39:24 <Free-man> nahahaha
15:39:38 <DocPlatypus> ASau: I did the speed tests. /dev/urandom is no slower than a Forth-based RNG
15:39:47 <ASau> You could just generate it yourself.
15:39:53 <ASau> With better quality.
15:40:08 <DocPlatypus> maybe
15:40:12 <ASau> Fast PRNG isn't high-quality one.
15:40:15 <DocPlatypus> why reinvent the wheel
15:40:19 <DocPlatypus> okay
15:40:21 <Free-man> practice
15:40:23 <DocPlatypus> the code I'm writing now
15:40:25 <ASau> Why do you want PRNG then??
15:40:44 <Free-man> Programmed repeats not good
15:40:57 <DocPlatypus> is a dice rolling program for backgammon. it generates sets of 36, 36^2 ... rolls
15:41:27 <DocPlatypus> guaranteed to have one of each roll, or sequence of two rolls, in the result.
15:41:48 <DocPlatypus> is it a bit silly? maybe.
15:41:58 <Free-man> negative
15:42:10 <Free-man> there is no silly code that you can learn from
15:42:34 <DocPlatypus> the idea hit me to handle it the same way I did card shuffling code
15:42:42 <Free-man> like the gun, code doenst kill, bad users do
15:42:45 <Free-man> heh
15:43:17 <DocPlatypus> pretend it's a deck of 36 cards (or 1296 cards, 46656 cards, etc)
15:43:33 <DocPlatypus> so I'd init the array with 0...35 etc
15:45:43 <DocPlatypus> then run a do loop
15:46:34 <DocPlatypus> with the random function returning 0 to 35 each time
15:46:55 <ASau> About five years ago I was interested in all this randomness stuff.
15:47:12 <ASau> Rewrote many PRNGs in Forth.
15:47:13 <DocPlatypus> and then swapping the contents of the cell pointed to by i with the random one
15:47:33 <DocPlatypus> when I wrote the card shuffling code
15:47:44 <ASau> Good ones are really not many. :)
15:48:48 <DocPlatypus> the idea hit me instead of drawing *two* sets of random numbers, looping about 100 times, and hoping it was thorough enough...
15:49:15 <DocPlatypus> I could just write "52 0 do ..." etc and swap with a random number for each card in the deck once
15:49:24 <DocPlatypus> skipping the swap if the random number equaled i of course
15:49:43 <ASau> With backgammon you definitly do not want urandom.
15:50:01 <DocPlatypus> I don't think you're reading what I'm saying
15:50:10 <DocPlatypus> I am not using urandom to generate the dice rolls directly
15:50:56 <ASau> Composite PRNG isn't necessarily better than simpler one.
15:51:11 <ASau> It is worse frequently.
15:51:24 <DocPlatypus> the RNG I use will be swappable
15:51:44 <DocPlatypus> I use a deferred word which lets me swap in a better RNG later
15:58:02 <DocPlatypus> wrote it that way in case someone wants to use /dev/random or write their own
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23:44:59 <ytnobody> Hello everyone. I'm newbie for Forth.
23:45:21 <ytnobody> Now I'm searching an online repository like CPAN of perl (or like gem of Ruby).
23:45:36 <ytnobody> If you know such one, please tell me.
23:46:33 <ASau> http://google.com/
23:46:38 <ytnobody> lol
23:46:57 <ytnobody> ok, I try it again :)
23:47:11 <ytnobody> thank you.
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