←2015-04-20 2015-04-21 2015-04-22→ ↑2015 ↑all
00:00:44 <shachaf> => is kind of strange.
00:00:59 <oerjan> so it boils down to a type restricted version of typeRep that explicitly _avoids_ using the evidence for the whole type.
00:01:25 <shachaf> Right, that's the same sort of thing.
00:01:50 <shachaf> Except for the non-obvious fact that (k => t) is of the form (a b), I guess.
00:02:00 <oerjan> yeah
00:02:20 <oerjan> they should sort of change that, if they really want it to count as impredicative
00:02:32 <shachaf> Calling it impredicative is kind of strange too.
00:02:45 <shachaf> But so is instantiating a type variable to (k => t).
00:02:47 <oerjan> well spj seems to like doing that
00:03:11 * variable looks at shachaf
00:05:12 <shachaf> variable: Who are you, anyway?
00:05:25 <shachaf> You're in all these channels and you have all these nicks.
00:05:52 <oerjan> clearly variable is secretly Lilax
00:06:04 <shachaf> tdnh hth
00:06:15 <oerjan> yw
00:06:29 <Sgeo_> "ACME is a protocol for automating the management of domain-validation certificates, based on a simple JSON-over-HTTPS interface. This repository contains the specification for ACME.
00:06:29 <Sgeo_> "
00:06:37 <Sgeo_> Words more informative than 'API'? What is this madness?
00:47:23 <orin> the new way to spell "and" is amp
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00:49:21 <lifthrasiir> &and;
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01:20:14 <zzo38> While watching a show recorded on a VHS tape I noticed that the tape counter's hours and minutes showed the same time as the time I was watching it.
01:34:19 <quintopia> that's bound to happen if you start watching at noon. (and if it's the minutes and seconds that match...well it's pretty much guaranteed to happen once per movie)
01:36:20 <zzo38> Yes, but I didn't start watching at noon (and the tape wasn't started from the beginning either; it was from where it left off)
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02:03:29 <zzo38> Now I invented RDF-survey specification; it is pretty simple and here is the full specification:
02:03:31 <zzo38> A single URI is defined for this purpose: <gopher://zzo38computer.org/1ns/foaf:survey> This will be the predicate of a triple where the subject is the person/agent answering the survey and the object is the node identifying the answer set; the rdf:type of that node is the URI identifying the survey itself.
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02:06:46 <Decim> Ok so like what programs other than minghc from the haskell site can run haskell or is that all
02:09:10 <zzo38> There are other Haskell implementations but most programs are meant for GHC
02:09:49 <orin> iirc GHC is considered the defqcto standard
02:11:12 <zzo38> If no extensions are used then you can use a different implementation but the GHC extensions are very useful to have.
02:12:34 <Decim> Ah ok
02:14:02 <orin> You know what would be nice? A version of CPP that expands macros but not includes.
02:15:31 <zzo38> Possibly with AWK you can make it to comment out all of the includes and then you can make it like that
02:24:49 <zzo38> /^#include/{$0="//"$0}1
02:25:18 <zzo38> That's one way
02:26:31 <Decim> Cool
02:27:00 <zzo38> AWK is very good for that kind of stuff.
02:27:29 <zzo38> As it turns out, AWK is also good for implementing Deadfish.
02:35:53 <Decim> Did someone say deadfish!
02:36:15 <zzo38> Yes....?? Isn't it?
02:36:49 <Decim> Yes
02:36:54 <Decim> Good language
02:38:00 <zzo38> We can implement Deadfish with everything including C and AWK and dc and assembly language and TeX and so on but not Deadfish (but it is possible to implement Deadfish while sitting in the Deadfish cafe)
02:38:47 <Decim> Ok
02:40:01 <zzo38> Even on Nintendo Family Computer, with more than 16-bits.
02:40:31 <zzo38> Do you know how to program a Famicom?
02:44:51 <Decim> I've heard of it
02:44:54 <Decim> But no
02:45:31 <zzo38> I do know how
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02:54:50 <Decim> Cool!
03:02:45 <zzo38> I also worked a lot making the Z-machine implementation in Famicom. It is faster than Commodore 64 (almost twice as much)
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03:17:25 <zzo38> I have not quite decided how to implement vocabulary lookup though
03:18:02 <Decim> Nick changes?
03:18:13 <Decim> Idk either
03:18:23 <Decim> I'm looking into famicom
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04:18:07 <zzo38> This is I made up most of the Famicom Z-machine implementation http://sprunge.us/PjUc http://sprunge.us/YLZE Do you think is OK, do you have other complain about it please?
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07:57:08 <mroman> > it
07:57:09 <lambdabot> Not in scope: ‘it’
07:57:09 <lambdabot> Perhaps you meant one of these:
07:57:09 <lambdabot> ‘id’ (imported from Data.Function),
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08:06:15 <shachaf> > lеt it be 5 іn it
08:06:17 <lambdabot> 5
08:13:07 <mroman> ghci has it as "last result"
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08:57:48 <HackEgo> [wiki] [[420]] http://esolangs.org/w/index.php?diff=42673&oldid=42671 * Vriskanon * (+4962) /* Sample programs */ Added Hello, world! program (copied from Chicken's page)
08:59:22 <izabera> seriously why ^
09:06:17 <mroman> hahaha
09:06:42 <mroman> s/Chicken/blaze it/?
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09:27:50 * Taneb hello
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09:41:41 <mroman> Taneb: hi
09:42:05 <izabera> yo Taneb
09:42:09 <izabera> we missed you
09:42:26 * izabera missed Taneb
09:42:32 <Taneb> :O
09:43:31 <b_jonas> fungot, is it true that to remain binary compatible with user-space context/coroutine switching, ABIs cannot designate new registers in future CPUs as callee-saved, but must keep them as either scratch registers or registers you must restore at all boundaries?
09:43:31 <fungot> b_jonas: that's why i learned to get hugged without feeling strange. but the same idea
09:44:16 <AndoDaan> That's beautiful, fungot.
09:44:16 <fungot> AndoDaan: i don't plan to enter it, the full range of 256 values per channel is lessened understand why cons should have two loop variables, then... wait... uhm...
09:45:15 <b_jonas> fungot: no, we actually support 16 bit depth here, and in fact some of our channels have over 9000 nicks joined
09:45:15 <fungot> b_jonas: laml is two things in te second statement of a program written in scheme
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09:47:09 <mroman> It's somehow weird that movies claim the world has gone bad
09:47:19 <mroman> like it was better 500 years ago
09:47:46 <Taneb> 500 years ago serfs could be serfs, lords can be lords, and everyone knew what there place was
09:48:08 <Taneb> Nowadays it's all mixed up
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09:54:01 <FireFly> fungot: what do yout think about the mix-up?å
09:54:01 <mroman> and Tanebs could be Tanebs
09:54:01 <fungot> FireFly: kuribas, because syntax-rules doesn't integrate scheme the pattern language can include, e.g. ( blah :some 3 ( something) is instance local ( afaik)
09:54:05 <FireFly> without å, even
09:54:56 <FireFly> (blah :some 3 (something) is instance local (afaik)), got it
09:59:37 <mroman> fungot: Would you like the domain "fungot.sucks"?
09:59:38 <fungot> mroman: the swingle singers... which may be what you're looking for? :) that just makes you look like that.
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10:12:24 <Taneb> Hmm, I seem to have ended up with a tendency to write emoticons with multiple mouths
10:12:27 <Taneb> For example: :)))
10:17:36 <HackEgo> [wiki] [[420]] M http://esolangs.org/w/index.php?diff=42674&oldid=42673 * Vriskanon * (+1) /* Commands */ Changed 'Chicken' name name
10:18:24 <mroman> Taneb: That's just your double-chin acting out.
10:18:35 <Taneb> :P
10:18:57 <mroman> fungot: Are you a fitness trainer?
10:18:58 <fungot> mroman: of course. thanks. it'll need a few temp cells need to be specified in a certain time of year" is the name
10:20:08 <mroman> fungot: Would you train me?
10:20:09 <fungot> mroman: nobel watchers say neither mr bush nor mr blair has much chance of that before...
10:21:09 <mroman> I'm trying to beat 15 pull-ups
10:21:13 <mroman> but I'm stuck at around 12 :(
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10:52:34 <Taneb> mroman, that's about 11 more than I can do!
10:52:44 <Taneb> Hey, boily
10:52:54 <boily> AAAAAAAAAAAAAH!
10:53:05 <boily> bon matanebin!
10:53:40 <Taneb> How're you doing?
10:54:38 <boily> taking it quieter and slower after a week of social life.
10:54:42 <Taneb> :)
10:54:46 <boily> how's it on your end?
10:55:08 <Taneb> Well, last night I tried out a board game I bought recently
10:55:11 <Taneb> I found it pretty fun
10:55:16 <Taneb> (Avalon is the game)
10:55:27 <Taneb> (It's essentially The Resistance in Camelot)
10:56:00 <boily> still boardgaming :D
10:56:03 <mroman> Taneb: then you should start training ;)
10:58:14 <boily> Taneb: recently I played a few new games. I think I'm a deckbuilding addict.
10:58:49 <Taneb> M:tG?
10:59:02 <Taneb> I've challenged myself to see how good I can get at Magic without paying any money
10:59:44 <boily> we play Magic every lunch at work. I have Dominion, Tanto Cuore, Mage Wars, Space Realms, Quarriors...
11:00:04 <boily> going to buy Race for the Galaxy soon, but then there's Roll for the Galaxy too.
11:00:28 <shachaf> Taneb: whoa, jamming
11:03:09 <Taneb> shachaf, ???
11:03:29 <shachaf> never mind, i need to go to sleep
11:03:53 <shachaf> no time to jam
11:05:39 <mroman> Taneb: the real secret is actually that it's not really hard nor does it take up a lot of time.
11:05:57 <mroman> You just need to devote like 15min of your day to fitness and that's really all there is.
11:06:36 <mroman> People seem to think you need to train for hours to get 30 push-ups, 15 pull-ups and the like which is utterly wrong.
11:07:04 <mroman> I sit in front of my computer all day except like 15min where I do some body weight exercises.
11:09:20 <Taneb> mroman, my problem is more space than time
11:09:39 <Taneb> > maxBound :: Int
11:09:41 <lambdabot> 9223372036854775807
11:09:51 <Taneb> > 2^31
11:09:53 <lambdabot> 2147483648
11:14:09 <boily> let's try not falling asleep in the shower.
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11:18:42 <mroman> Taneb: go outside :p?
11:18:48 <Taneb> Never!
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11:19:00 <Taneb> Also that doesn't really help with my pull-ups
11:19:26 <mroman> no trees around? No bars?
11:21:04 <Taneb> Most of the trees around lack low branches
11:21:58 <oerjan> use a ladder hth
11:22:40 * oerjan finds himself literally laughing maniackally
11:22:52 <oerjan> that means it must be a very good idea.
11:23:13 <Taneb> mroman, and I can't install a bar because this is rented accomodation and I'll only be here for another 2 months or so
11:23:43 <oerjan> just make it a minibar hth
11:24:45 <Taneb> I'm too tall for a minibar
11:26:29 <oerjan> but too short for the branches
11:26:48 <oerjan> solution, put the minibar under the branches and stand on it.
11:27:37 <Taneb> Good thinking
11:32:09 <Taneb> Unfortunately I don't have a minibar
11:32:22 <oerjan> curses
11:34:53 <mroman> If you live in a city there's gotta be something you can do pull ups on
11:35:00 <mroman> even if it's a street sign :D
11:37:12 <Taneb> mroman, I'm damn near the edge of the city
11:37:35 <oerjan> i think they usually have a sign at the edge of a city hth
11:37:58 <oerjan> but i guess it might be crowded.
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12:04:17 <mroman> https://www.youtube.com/watch?v=upUUWuJhvXk hth
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12:33:40 <elliott> hi
12:34:14 <oerjan> fternooniott
12:37:48 <elliott> this has gone too far
12:38:04 <oerjan> we am play gods?
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12:45:05 <orin> go to a playground
12:45:12 <orin> use the monkey bars
12:50:05 <elliott> pull-ups are impossible
12:50:12 <elliott> nobody has ever done one, ever
12:50:29 <Taneb> orin, I do not know any playground with monkey bars around here
12:55:40 <mroman> elliott: right.
12:59:05 <HackEgo> [wiki] [[Λιμπ]] http://esolangs.org/w/index.php?diff=42675&oldid=11870 * Esowiki201529A * (+14)
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13:05:10 <HackEgo> [wiki] [[AFTL]] http://esolangs.org/w/index.php?diff=42676&oldid=42672 * Esowiki201529A * (+14) /* Hello, world! program */
13:19:29 <mroman> "Powered by SumoMe
13:19:31 <mroman> 18 Reasons Why You Don’t Get Laid"
13:19:40 <mroman> I see.
13:19:54 <mroman> Can't I even read news know without these fucking pop-ups
13:20:04 <oerjan> thanks, now i'm wondering if sumo wrestler get laid (probably)
13:20:05 <mroman> that aren't really the good old pop-ups from the old days
13:20:06 <oerjan> *+s
13:20:16 <mroman> *news now
13:20:31 <mroman> pop-ups used to be windows.
13:20:50 <mroman> now they are "static divs" injected into pages with javascript
13:21:21 <mroman> although I wonder what those 18 reasons could be...
13:21:41 <mroman> I can only think of one. And that one is enough so I don't even need the other 17 reasons.
13:21:44 <oerjan> 1. you spend all your time browsing web
13:22:21 <mroman> well.. not quite
13:22:31 <mroman> but I guess that could be one of those 17 other reasons.
13:22:53 <oerjan> 2. you're butt ugly
13:23:07 <mroman> Yeah :(
13:23:09 <oerjan> 3. drooling
13:23:26 <mroman> 1.) I'm ugly as fuck.
13:23:45 <mroman> Not fat, but ugly.
13:23:56 <oerjan> Taneb: did that fetish society have any people wearing paper bags on their heads
13:23:59 <AndoDaan> All humans are ugly as fuck.
13:24:07 <Taneb> oerjan, I do not believe so
13:24:11 <Taneb> But I did not stay very long
13:24:17 <oerjan> i guess there's no hope then
13:24:36 <oerjan> oh wait, blind people exist
13:24:38 <mroman> What would a paper bag over your head do?
13:24:42 <mroman> You can still have an ugly body.
13:24:43 <Taneb> I know exactly why I don't get laid
13:24:50 <mroman> Besides having an ugly face/head.
13:25:01 <mroman> fungot: Are you ugly too?
13:25:01 <fungot> mroman: how are you doing there? :p)
13:25:11 <mroman> Is it mocking me??!?!?!?
13:25:32 <b_jonas> fungot: give me test data because it's hard to write a program without it
13:25:32 <fungot> b_jonas: may i add that? since only " the result(s) of the objections about plt-specificness we need to know ( my " behaviors" you mentioned
13:26:05 <mroman> Taneb: you're butt ugly too?
13:26:10 <Taneb> mroman, nah, I'm asexual
13:26:21 <mroman> That's my reason number 2.
13:26:40 <mroman> Are you on AVEN?
13:26:46 <Taneb> I do not believe so
13:27:53 <oerjan> yay an asexual pairing
13:33:07 <mroman> I actually have no idea if I'm butt ugly. I just assume so.
13:33:19 <mroman> It's something that you can't really judge by yourself I think.
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13:34:52 <mroman> Judging by the reflection in the mirror and other people I'm at least ugly but not necessarily butt ugly.
13:40:25 <mroman> Hm. Theres 402 - Payment required.
13:47:05 <fizzie> I don't think it sees much use.
13:47:39 <b_jonas> mroman: that's just the temporary name assigned to the reserved code in earlier versions of the standard. the more correct localized message these days is 402 Virgin sacrifice required
13:48:42 <mroman> b_jonas: what?
13:48:46 <mroman> fungot: Apple uses it apparentely
13:48:47 <fungot> mroman: anywhere but sweden, apparently. i won't actually pay 50 cents for that :p
13:48:51 <mroman> damn
13:48:56 <mroman> fizzie: Apple uses it apparentely.
13:49:07 <mroman> fizzie: BUT PAYMENT IS REQUIRED! I WANT THOSE 50 CENTS!
13:49:18 <mroman> damn
13:49:29 <mroman> that should've been directed to fungot
13:49:30 <fungot> mroman: http://www.99-bottles-of-beer.net/ language-malbolge-995.html the last comment in http://esolangs.org/ wiki/ quadtree work, would just be better to have names like that
13:50:01 <fizzie> There's also the "418 I'm a teapot" response.
13:50:26 <b_jonas> mroman: the HTTP/1.1 rfc specifically says "reserved for future use" "http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.3"
13:50:51 <b_jonas> I think HTTP/2 defines the meaning correctly and calls it its proper name
13:51:40 <b_jonas> only that's one of those w3c standards that are always under development and never released, like HTTP 5 or the new CSS standard
13:51:51 <b_jonas> um
13:51:54 <mroman> HTML5?
13:51:56 <b_jonas> s/HTTP 5/HTML 5/
13:51:57 <b_jonas> yes
13:52:00 <mroman> hasn't that been released?
13:52:19 <b_jonas> wow
13:52:21 <b_jonas> it seems it has
13:52:31 <fizzie> It's also a "living standard".
13:52:45 <mroman> 28. Oct 2014
13:52:47 <fizzie> Or the version by WHATWG, anyway.
13:52:50 <b_jonas> apparently I'm not relaly following this junk
13:53:25 <b_jonas> now the question is, which response header gives the bounds for the age of the virgin?
13:53:38 <fizzie> I got the impression that W3C released some particular fixed version, while the WHATWG standard is just... living.
13:54:32 <fizzie> (And the W3C standard doesn't exactly match WHATWG.)
13:55:25 <b_jonas> probably WWW-Authenticate with some approperiate challenge typ
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14:04:48 <elliott> whatwg's standard is just "HTML" with no version
14:04:53 <elliott> there's politics
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14:28:02 <tswett> Duh, "claptrap" is what the hostname should be.
14:30:06 <b_jonas> fungot, why does this function have so many arguments?\
14:30:06 <fungot> b_jonas: i came across srfi-83 last night, couldn't get to sleep now. goodnight everybody!! i've flown in leslie gore and two dozen
14:30:17 <b_jonas> good night, fungot
14:30:17 <fungot> b_jonas: sarahbot is very much in the recursive call must be optimized. just a non-american living in american indeed.
14:32:31 <tswett> fungot: wait, what's *your* opinion of what the hostname should be?
14:32:31 <fungot> tswett: no clue really.) the name with a
14:32:55 <tswett> I guess "claptrap" is, in fact, a "name with 'a'".
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16:27:33 <HackEgo> [wiki] [[SMETANA]] http://esolangs.org/w/index.php?diff=42677&oldid=35747 * 62.216.211.203 * (+39)
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22:19:13 <shachaf> oerjan: your fame grows every day hth
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22:42:34 <tswett> I think I like Object Oriented Thue.
22:42:48 <tswett> I definitely like the idea. I'm not sure about the implementation.
22:43:07 <oerjan> shachaf: yay
22:43:53 <tswett> It's not clear from the specification (excluding the Libraries section) that it's actually possible to create objects.
22:44:25 <tswett> Whoops, there's the part where it says you can do that.
22:46:39 <tswett> Yes, I think I do like it.
22:50:24 <oerjan> shachaf: the fix was one of the things i suggested in comment 92, too.
22:52:18 <oerjan> edwardk: now i'm vaguely wondering if any of this will break your constraints package
22:52:28 <edwardk> wut
22:52:42 <shachaf> Have you been following #9858?
22:52:43 <edwardk> breaking the constraints package would kinda suck
22:52:45 <edwardk> no
22:53:04 <oerjan> edwardk: a => b will no longer unify with t u
22:53:13 <oerjan> is the last change
22:53:27 <edwardk> i don't use a => b explicitly as a type anywhere
22:53:31 <oerjan> good
22:54:56 <shachaf> A previous change was to make Constraints un-Typeable.
22:55:01 <shachaf> (But not very well.)
22:55:35 <oerjan> edwardk: i suspect you'd be happy if they implement what spj mentions in https://ghc.haskell.org/trac/ghc/ticket/9858#comment:95
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22:56:58 <edwardk> k
22:57:03 <edwardk> i like it
22:57:10 <oerjan> the previous comment is something i know you've complained about before
22:57:11 <edwardk> been too busy playing with fractions to notice =)
22:57:27 <oerjan> fractions?
22:57:43 <edwardk> working on exact real arithmetic using nested linear fractional transformations and continued fractions
22:57:46 <shachaf> oerjan: see #haskell-lens hth
22:58:11 <edwardk> but really its all just really fancy lazyish fractions
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22:59:02 <edwardk> pi = 3, no 3 + 1/7 no 3 + 1/(7 + 1/15), no...
22:59:46 <oerjan> i vaguely thought exact arithmetic with continued fractions was something that had already been done in haskell
22:59:54 <edwardk> it has
22:59:56 <edwardk> this is fancier
23:00:01 <edwardk> i'm not using continued fractions per se
23:00:08 <edwardk> but rather "nested linear fractional transformations"
23:00:10 <oerjan> hm
23:00:14 <edwardk> which has _also_ been done in haskell
23:00:17 <edwardk> back pre 98 even
23:00:27 <edwardk> in fact, SPJ has a paper on continued fractions.
23:00:30 <edwardk> back in 84
23:00:43 <edwardk> what i'm working on is extending the scope of what we can compute with exactly
23:00:54 <edwardk> by extending the work here to so called "Hurwitz numbers"
23:01:00 <edwardk> and then generalizing the notion of hurwitz numbers
23:01:03 <oerjan> linear fractional transformations, is that like möbius transformations except with integers/rationals
23:01:03 <edwardk> to include pi.
23:01:07 <edwardk> yep
23:01:15 <edwardk> f(x) = (ax+b)/(cx+d)
23:01:18 <edwardk> integer coefficients
23:01:30 <edwardk> matrix representation used instead multiply matrices to compose.
23:01:42 <oerjan> ah
23:01:53 <edwardk> now we represent numbers as potentially infinite sequences of linear fractional transformations
23:02:29 <edwardk> an LFT with all positive (or all negative, they are the same up to scalar multiples) coefficients takes the interval from [0,infinity) to a small interval.
23:02:31 <edwardk> they 'zoom'
23:02:43 <edwardk> composition zooms more
23:03:25 <edwardk> you can view a continued fraction [a;b,c,d,e...] as the composition of matrices [a 1; 1 0]*[b 1; 1 0]* ....
23:03:56 <edwardk> quadratic irrationals (e.g. sqrt 2) have repeating representations as continued fractions
23:04:26 <edwardk> "hurwitz numbers" have near-repeating representations. the representations repeat with a polynomial in the number of times you've repeated
23:04:40 <edwardk> 2;1,2,1,1,4,1,1,6,1,1,8,1...
23:04:44 <edwardk> is e
23:04:47 <edwardk> clear pattern
23:04:58 <edwardk> 2;(1,2k,1)
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23:05:34 <oerjan> hm
23:05:46 <edwardk> so i can write that out the repeating part as a matrix with polynomial coefficients: the product [1 1; 1 0] * [2k 1; 1 0] * [1 1; 1 0]
23:05:56 <edwardk> and we can convert the prefix to another ft
23:05:57 <edwardk> er lft
23:06:33 <edwardk> so it is [ 2 1; 1 0] * Pi_k^{1..infinity} [1 1; 1 0] * [2k 1; 1 0] * [1 1; 1 0]
23:06:52 <edwardk> which if you truncate it at any point takes the range from [0..infinity) to a window very very close to e.
23:07:15 <oerjan> this zooming with matrices reminds me of some of my PhD work
23:07:17 <edwardk> then we can use algorithms for adding and multiplying/dividing such numbers, etc.
23:07:52 <edwardk> the algorithms for adding/multiplying uses a 3d tensor to merge results from two different sources into one output
23:08:30 <edwardk> and then finally i can represent a meromorphic function like 'exp x' or 'log x' as a funny infinite tensor chain, where i've got the coefficients as polynomials like the hurwitz case.
23:08:42 <edwardk> and put all that into one number type and i can compute fast nice reals.
23:09:06 <edwardk> and hopefully still get things like e/e = 1 to cancel exactly because of a small closed form.
23:09:49 <edwardk> i can get computations that never step outside of quadratic surds to cancel, but now i want computations that never step outside of hurwitz numbers to cancel.
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23:10:03 <tswett> data SmallReal where { toSmallReal :: Stream Bit -> SmallReal; mid :: cons Zero (repeat One) = cons One (repeat Zero); down :: forall (b :: Bit, x :: Stream Bit, y :: Stream Bit). (toSmallReal x = toSmallReal y) -> (toSmallReal (cons b x) = toSmallReal (cons b y)) }
23:10:10 <tswett> Real numbers in the interval [0, 1], in Homotopy Haskell.
23:10:11 <edwardk> basically looking for 'not-symbolic' but close enough representations where you can compare them nicely.
23:10:17 <tswett> (NB: there's no such thing as Homotopy Haskell.)
23:10:29 <oerjan> oh so you are keeping finite representations as far as possible
23:10:36 <edwardk> yeah
23:10:44 <edwardk> rather than unrolling them into a lazy mess like everyone else
23:10:47 <edwardk> here i have
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23:11:47 <edwardk> LF = Rat Integer Integer | Hom Integer :* LF | Hurwitz (Hom Poly) | Meromorphic (Bihom Poly) LF
23:11:52 <edwardk> where Hom is a homographic transformation
23:12:21 -!- Decim has joined.
23:12:38 <edwardk> and Bihom is a bihomographic transformation which is a 3d analogue. or equivalently z(x,y) = (axy+bx+cy+d)/(exy+fx+gy+z) which can be viewed as z(x) in Z[y] or z(y) in Z[x]
23:13:26 <edwardk> oh I missed a case
23:13:37 <edwardk> LF = Rat Integer Integer | Hom Integer :* LF | Hurwitz (Hom Poly) | Meromorphic (Bihom Poly) LF | Tensor (Bihom Integer) LF LF
23:13:41 <edwardk> for the binary case
23:13:46 <edwardk> because i can't apparently cancel that
23:14:17 <edwardk> and the finite form simplifies whenever it can
23:15:04 <edwardk> phi = Hurwitz (Hom 1 1 1 0) gives the golden ratio, sqrt2 = Hom 1 1 1 0 :* Hurwitz (Hom 2 1 1 0)
23:15:22 <Decim> Language?
23:15:26 <edwardk> Haskell
23:15:37 <Decim> I see
23:15:48 <Decim> Sorry Im just dead
23:16:24 <edwardk> anyways i have algorithms now for 'spigoting' off partial matrices from each of those forms
23:16:31 <edwardk> and modifying the remainder
23:17:05 <edwardk> and ways to construct them from continued fractions, redundant binary, decimal, etc.
23:17:19 <edwardk> and to read off digits
23:17:58 <Decim> :0
23:18:00 <edwardk> basically the only requirement is that every homographic transformation after the first 'contracts' some interval.
23:18:03 <oerjan> the z(x,y) makes me think vaguely of quaternions
23:18:30 <Decim> What's Brainfuck used for?
23:18:47 <tswett> Hobbies.
23:19:16 <Decim> I know but what are its general purposes or is it just a fun language
23:19:49 <tswett> As far as I know, the sole purpose of Brainfuck is to be interesting.
23:19:59 <Decim> k
23:20:04 <oerjan> edwardk: can you differentiate with this too?
23:20:23 <edwardk> i can treat these as raw numbers for AD
23:20:35 <edwardk> and you can build pade approximants using the same techniques
23:20:46 <edwardk> and those are used as good forms for differentiation/integration
23:20:52 <Decim> You are cool
23:21:12 <Decim> Well in general all of you are pretty neat
23:21:36 <Decim> Except that one guy >_>
23:21:47 <edwardk> i got started with pade approximants when jacques carette earwormed me with the idea that they would be the best form for dealing with more or less "automatic integration"
23:21:59 <edwardk> as that is what all the big boys use in things like Mathematica / Maple, etc.
23:22:27 <edwardk> but then put it away for a couple years
23:22:36 <edwardk> until now, when i now have more of the groundwork in place
23:22:51 <Decim> Please teach at our school, Ill pay you like a dollar
23:25:44 <Decim> A second
23:27:00 <oerjan> Duodecim
23:27:01 <tswett> Why the hell did I decide I wanted to go into industry instead of academia...
23:30:14 <oerjan> probably involved money
23:37:57 <Decim> Did you want to teach tswett
23:38:03 <Decim> Also gnight
23:38:08 <tswett> Night, Decim.
23:38:17 <tswett> No, I'm not really interested in teaching professionally.
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23:39:59 <tswett> Only in research.
23:41:20 <oerjan> bohily
23:48:53 <boily> hell御rjan!
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