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04:50:12 <Sgeo> Will I be killed for using reinterpret_cast here? http://codepad.org/dCpL2Gmc
04:50:46 <coppro> in fact, that will almost certainly do exactly what you don't want it to
04:50:58 <coppro> you probably just want static_cast
04:51:55 <Sgeo> coppro, but that would convert the float to an int that's just the float rounded down
04:52:00 <Sgeo> That doesn't help me
04:52:06 <coppro> oh, what do you want then?
04:52:26 <Sgeo> To be able to go to the next highest or lowest representable float
04:53:56 <coppro> hmm... I don't think there's a standard way to do that
04:54:15 <coppro> you could try adding the epsilon value, but denormalized values will get in the way of that
04:54:25 <Sgeo> http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm
04:54:38 <Sgeo> "This means that if we take two floats in memory, interpret their bit pattern as integers, and compare them, we can tell which is larger, without doing a floating point comparison."
04:55:04 <Sgeo> Instead of comparing, I want to go to the next or previous, but the idea was similar enough
04:55:33 <coppro> true, but what if this change results in a change in the appropriate exponent?
04:56:43 <Sgeo> I guess that would mean that the next float wouldn't just be +1 in the representation, but + something larger? That would break my program :(
04:58:01 <Sgeo> Please enter the altitude: 2
04:58:01 <Sgeo> The shell below 2.0000000000 is 1.9999998808
04:58:09 <Sgeo> So it looks as though it works
04:59:15 <coppro> hm... I guess that will work with IEEE numbers
04:59:23 <Sgeo> "There are two possible solutions if you encounter this problem. Turn off the strict aliasing option using the -fno-strict-aliasing switch, or use a union between a float and an int to implement the reinterpretation of a float as an int. The documentation for -fstrict-aliasing gives more information."
04:59:43 <coppro> but that may only apply to comparisons
05:00:01 <Sgeo> It works on my compiler as is, and I don't feel like trying to fix it for codepad right now
05:00:09 <Sgeo> But a union may be better than reinterpret_cast
05:05:44 <Sgeo> In any case, as-is, it's still giving me predictions, and the emperical data so far seems to largely agree
05:05:55 <Sgeo> Although I should improve the model somewhat
05:06:04 <coppro> Sgeo: imo, you're better off picking a very low delta and a bigfloat
05:06:40 <Sgeo> Neither of those will help determine gravitational delay in Second Life
05:08:19 <coppro> Sgeo: did you see my PM?
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05:49:33 <oklopol> coppro: true, but what if this change results in a change in the appropriate exponent? <<< you mean the mantissa overflowing? the whole float range is ordered, that would lead to exactly what it's supposed to
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05:50:13 <coppro> oklopol: but wouldn't the mantissa overflowing lead to the exponent only going up by one?
05:50:40 <oklopol> which is what you want, the leading one moving one left
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05:51:26 <coppro> whereas the mantissa going back to 0 is a -2^(mantissa digits)
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05:52:43 <oklopol> x yyyy zzzzz means -1^x * 2^(yyyy - ...) * 1.zzzzz
05:52:44 <coppro> isn't it <sign><exponent><mantissa> in memory?
05:52:57 <oklopol> if yyyy grows by one, and zzzz goes to zero
05:53:18 <oklopol> we get from 1.11111... to 2.00000, say
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05:54:45 <oklopol> of course, if they were infinite floats, then that would be wrong
05:55:28 <oklopol> anyway gotta get going now
05:56:15 <oklopol> on the last lecture, i just spontaneously started dancing because they were so cool
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09:30:56 <ehird> http://static.arstechnica.com/20090828/llvm-logo.png
09:31:04 <ehird> what a bitchin' compiler infrastructure logo
09:31:15 <ehird> i never want to use anything else
09:31:58 <fizzie> It looks more like the "complexity of compiler design" from the dragon book.
09:38:35 <ehird> [20:51] AnMaster: and yes I know it is a game, I just wonder what element the title of that game refers too
09:38:35 <ehird> [20:51] AnMaster: to*
09:38:35 <ehird> you're a physicist or something. and it's a pun on, like, you know, dying. (disclaimer: I haven't played it, I'm just guessing)
09:38:35 <ehird> [04:50] Sgeo: Will I be killed for using reinterpret_cast here? http://codepad.org/dCpL2Gmc
09:38:35 <ehird> no, just for using C++
09:38:58 <ehird> fizzie: it's coming across as "If you fucking dare to use gcc I'll rip you to shreds"
09:39:46 <ehird> "Apple is committed to full C++ support for Clang, and hopes to work out the remaining GCC incompatibilities during Snow Leopard's lifetime."
09:40:31 <ehird> http://static.arstechnica.com/20090828/xcode-error-2-clang.png ← this is pretty much enough to make me use xcode
09:40:49 <ehird> http://static.arstechnica.com/20090828/static-analyzer.png ← Oh, you're kidding me.
09:40:57 <ehird> That can't possibly work, it's too awesome.
09:41:46 <ehird> Cool, apparently the shipped userland apps in Snow Leopard are compiled with clang.
09:42:31 <ehird> Well, I guess that explains how they implemented blocks without tearing their hair out.
09:42:57 <ehird> Oh, it's supported in gcc too
09:55:09 <ehird> "But wait, there's more! GCD queues can actually be arranged in arbitrarily complex directed acyclic graphs. (Actually, they can be cyclic too, but then the behavior is undefined. Don't do that.)"
10:02:17 <ehird> http://static.arstechnica.com/20090828/opencl-logo-150.png "OpenCL: Your GPU is sort of like a galaxy."
10:12:45 <ehird> "I'm worried by stories of the key symbols wearing off the DAS."
10:12:48 <ehird> Especially the Ultimate!
10:27:11 <Deewiant> I wonder why people find that worrying
10:27:45 <Deewiant> Do they care that much about their key symbols?
10:34:03 <ehird> They're like key symbols to me <3
10:34:11 <ehird> Deewiant: I imagine hunt and peckists bother :P
10:34:46 <Deewiant> Do hunt and peckists use nonstandard keyboards like the DAS?
10:46:09 <ehird> I have about 30 windows open right now
10:46:28 <ehird> I truly do need window manager GC...
10:55:38 <ehird> http://asset.soup.io/asset/0399/7711_459f_800.jpeg
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11:41:16 <anm_ub> meh.... lost connection to home, I guess anmaster will time out soon
11:42:13 <anm_ub> and I don't have the nick pass around here
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12:21:37 <ehird> pikhq: we should use these for the uberrig - http://blog.backblaze.com/2009/09/01/petabytes-on-a-budget-how-to-build-cheap-cloud-storage/
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12:39:24 <ehird> hey, if you select a non-linked url in safari and right click you can open it <3
12:39:29 <ehird> yes i know opera does that
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13:28:22 <ehird> http://www.youtube.com/watch?v=A-QJ4T3ix4c
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13:51:57 <ehird> http://glennbeckrapedandmurderedayounggirlin1990.com/ ;; Congrats, reddit. You just reached a new low.
13:52:46 <ehird> Although admittedly it's funny.
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13:56:08 * ehird copies 4.68GB from a disk image to a harddrive
13:56:21 <ehird> it's not like it's moving filesystems or anything, but oh no :P
13:56:25 <ehird> it's moving filesystems
13:56:30 <ehird> and the filesystem TYPES are the same
13:56:42 <ehird> but then, one of the filesystems is an imaginary one...
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15:47:17 <Leonidas> ehird: the static analyzer screenshot reminds me of drscheme
15:47:35 <Leonidas> but less ugly and well, static :)
15:48:17 <oerjan> <ehird> I truly do need window manager GC...
15:48:29 <oerjan> so if you cover up a window completely, it disappears? :D
15:49:48 <oerjan> 02:55:38 <ehird> http://asset.soup.io/asset/0399/7711_459f_800.jpeg
15:50:08 <oerjan> yes the smell _does_ bring tears to your eyes. how did you know?
15:51:15 <oerjan> <anm_ub> thunderstorm here heh <-- was here too tonight, and this morning
15:53:39 <AnMaster> <oerjan> 02:55:38 <ehird> http://asset.soup.io/asset/0399/7711_459f_800.jpeg <-- XD
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16:30:25 <Gracenotes> whee! My internets are working again :D
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16:44:28 <ais523> anyone here seen <http://thedailywtf.com/Articles/Sliding-Around.aspx>?
16:44:32 <ais523> it fails on at least two levels, quite possibly 3
16:46:44 <ehird> the daily wtf is hopeless nowadays
16:46:51 <ehird> remember when they stole that name recently?
16:46:54 <ehird> I read the whole email exchange
16:47:01 <ehird> Alex Papadimoulis is a dick
16:47:24 <ehird> "So now that you've mentioned an arrangement other than me taking your name, idea and content and using them for my site without even crediting you, I'll conveniently talk about something else!"
16:47:39 <ais523> what name did they steal?
16:48:03 <ehird> programming praxis
16:48:15 <ehird> it was originally an arrangement with another site, programmingpraxis.com
16:48:19 <ehird> but alex refused to link to the site
16:48:23 <ehird> or even mention its owner
16:48:28 <ehird> and just stole the idea and even the content
16:48:33 <ehird> (he thought he would be credited)
16:48:42 <ehird> then, when asked to just change the name and move on
16:48:49 <ehird> he said sorry; we've "used it for too long"
16:48:55 <ehird> and they'll just have to share
16:48:57 <ehird> I'm not exaggerating
16:49:08 <ehird> ais523: http://programmingpraxis.com/2009/08/13/the-daily-wtf-maliciously-infringes-programming-praxis-trademark/
16:49:14 <ehird> includes link to the email exchange
16:49:57 <ais523> oh, is that why the renamed it?
16:50:26 <ehird> ais523: after it got on reddit and he tried to "clarify" (i.e. "Yes, I did it, but I'm not a dickwad... because!") and everyone, well, pointed out he was a dick
16:57:15 <ehird> "It'll use about 400 000W, and cost $900 000."
16:57:15 <ehird> — 4 petaflop, off-the-shelf supercomputer http://helmer3.sfe.se/
16:57:24 <ehird> donations now accepted :P
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17:08:49 <ehird> pikhq: our uberrig just got 1-upped
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17:15:19 <ehird> it even sort of fits into one structure!
17:16:01 <ehird> pikhq: note that if you just got 3 instead of 10 for 2pflops, it'd be "only" $270,000
17:16:23 <ehird> and use "only" 120kw
17:16:33 <ehird> i love their cooling design
17:16:42 <ehird> if you made the enclosures transparent it'd be beautiful
17:16:52 <ehird> seeing the blue, glowing cooling fluid run all over the place :
17:19:18 <ehird> sorta like one of those old liquid cooled Crays
17:34:59 <ehird> oklopol: on the other hand, you're an insane psychopath
17:48:27 <ais523> do I have to say hi again?
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17:49:53 <ehird> when you refresh a page after first loading it ~10 seconds ago and something new appears, it's eerie
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17:51:12 <oklopol> ehird: i was just about to join with a new nick on the chan
17:51:24 <oklopol> if you'd only waited 30 seconds
17:51:27 <ais523> ehird: one line from AnMaster, which he repeated when you turned back up
17:52:43 <ehird> you're so incomprehensible, oklopol :D
17:52:52 <AnMaster> ehird, I think that made perfect sense
17:53:01 <ehird> if you think about it a lot.
17:53:17 <AnMaster> ehird, you mean about 2 seconds?
17:53:43 <ehird> <AnMaster> If I take the opposite position to ehird all the time, nobody will be confused as to how much I dislike him!
17:53:44 <oklopol> i thought it was the obvious joke :P
17:54:19 <oklopol> but, it's true i'm not exactly that good at having conversations with humans, i usually assume they can deduce context by reading my mind.
17:54:23 <AnMaster> ehird, um I think you got that wrong. 99% of the time it is you who is taking the opposite position
17:54:41 <ehird> AnMaster: How apropos of you to take the opposite position to what I just said.
17:54:51 <oklopol> say, when i suddenly start continuing a conversation that happened weeks ago
17:55:01 <AnMaster> ehird, well I said 99%, not 100%. :P
17:55:03 <ehird> oklopol: I think that'd break the lawnmower
17:55:46 <AnMaster> <oklopol> say, when i suddenly start continuing a conversation that happened weeks ago <-- sounds more like something zzo would do
17:55:58 <ehird> zzo never has conversations
17:56:02 <oklopol> there's no context for that, but, i'm not saying it's because i can read minds, it's because i have sucky people skills
17:56:03 <ehird> he just repeats a question over and over
17:56:18 <oklopol> well, "sucky people skills" means you're shy or something, i just suck
17:56:19 <ehird> oklopol: have you considered using a pill instead of a lawnmower
17:56:57 <oklopol> checked, no context for that
17:57:10 <ehird> [17:55] ehird: oklopol: I think that'd break the lawnmower
17:57:27 <oklopol> i meant the first one and the second one together
17:58:06 <ehird> oklopol: I was both continuing a week-old conversation and using the patented oklopol method of conversation that is "skip a bunch of logical inferences because I'm sure you can work them out" :P
17:58:29 <oklopol> but you can only do one at the time! :P
17:58:40 <AnMaster> ehird, what about the hair-dryer though?
17:58:40 <ehird> oklopol: OH YEAH? WELL WHAT DID I JUST DO THEN
17:58:52 <ehird> AnMaster: it isn't funny when you continue the joke after the reveal
17:59:11 <AnMaster> ehird, what exactly would be wrong with that
17:59:21 <ehird> AnMaster: it just isn't funny
17:59:34 <AnMaster> ehird, since when was that a goal
17:59:47 <oklopol> ehird: well that's just stupid
18:00:15 <ehird> AnMaster: because otherwise it's just stupid ,and if you admit to trying to be stupid i will stab you.
18:00:29 <ehird> oklopol: but I can provide inferences for all possible conversations
18:00:59 <AnMaster> ehird, btw http://helmer.sfe.se/ is quite interesting too
18:01:05 <AnMaster> that is same but without the 3
18:01:29 <AnMaster> ehird, yeah exactly, there is a helmer2 too it seems
18:01:47 <ehird> i'd like a budget :P
18:03:05 <AnMaster> ehird, go to main page sfe.se and I think that explains it
18:03:19 <ehird> "Very happy!! I had a very nice talk with AMD, and they are going to send some hardware so I can start testing :)) Thank you!"
18:03:30 <ehird> i'd like people skills that good!
18:03:32 <oklopol> ehird: i don't actively remember that many conversations, the human brain doesn't work that way
18:07:14 <AnMaster> http://nslu2windsensor.sfe.se/ <-- heh. this guy is cool
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18:38:30 <FireFly> "To calibrate the wind speed sensor we just tejped it to the car and drove around."
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19:09:06 <MizardX> "Tejp" in swedish means "Tape" (pronounced the same).
19:14:06 <FireFly> But it looks very unfitting in an english context
19:14:25 <MizardX> 182 hits on google for "tejped"
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20:03:26 <ehird> is it just me, or is it that most of the time people say "well gee I'm a sociopath", they mean "well gee I'm an asshole, but you can't dislike me for that, it's *medical*"
20:19:20 <Pthing> No, because I have never heard anyone say that
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21:14:21 <ehird> oh the email log isn't there
21:14:27 <ehird> I was wondering how anyone could side with Alex
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21:46:36 <ais523> we seem to be getting a new sort of spam over at Esolang
21:46:54 <ais523> spambots are pasting Apache 404s onto Talk:Main Page/index.php...
22:06:57 <ais523> my guess is "broken spambot"
22:07:09 <ais523> maybe they scrape their spam from a website
22:07:22 <ehird> spam bots do all sorts of weird shit
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23:00:12 <MizardX> "And for programmers the paradox is even more pronounced: the language to learn, if you want to get a good job, is a language that people don't learn merely to get a job." -- http://www.paulgraham.com/pypar.html
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23:34:50 <oerjan> <ehird> AnMaster: it isn't funny when you continue the joke after the reveal
23:35:19 <oerjan> but then i enjoy reddit pun threads, so...
23:35:21 <ehird> MizardX: should I stab you for quoting paul graham, or stab you for quoting paul graham
23:35:26 <ehird> this is an important decision
23:35:40 <oerjan> ehird: i suggest you stab him for quoting paul graham instead
23:35:48 * ehird stabs MizardX for quoting paul graham
23:35:51 <ehird> you should feel bad.
23:37:17 <oerjan> <ehird> i'd like people skills that good!
23:37:30 <oerjan> you mean your own experiences are more like something out of dilbert?
23:37:54 <oerjan> (mainly guessing, there)
23:38:17 <ehird> (unrelatedly, what i meant by the message was "it sure would be nice if AMD sent me a bunch of hardware by asking them")
23:38:34 <oerjan> <MizardX> 182 hits on google for "tejped"
23:38:50 <oerjan> well it's an english suffix on a swedish word...
23:40:28 <oerjan> tejpad, on the other hand, gives 32100
23:40:54 <exaltation> after 3, 2, and 1, it's hard to expect anything but 0000000
23:41:13 <oerjan> and a suggestion of did you mean "textpad"
23:41:28 <ehird> exaltation: dude, you're lament, not some freaky new person :P
23:42:15 <ehird> exaltation: whois don't lie
23:42:19 <oerjan> what a lamentable attempt
23:43:50 <ehird> oerjan: he has, um, not yet achieved exaltation
23:43:57 <oerjan> <ais523> spambots are pasting Apache 404s onto Talk:Main Page/index.php... <-- you deleted the funny joke in the original spam :( ;)
23:44:55 <oerjan> ais523: something russian, i pasted the google translate yesterday
23:45:20 <exaltation> if it's russian, i can possibly do a better job than google translate.
23:45:48 <oerjan> oh even _i_ can do a better job than google translate, in fact i submitted a suggestion to it
23:45:50 <ais523> hi exaltation, I haven't seen you around for a while
23:46:27 <oerjan> exaltation: ais523 deleted the page
23:46:31 <ais523> hmm... I think I mean "at all" rather than "for a while"
23:46:43 <ais523> oerjan: I can undelete it if necessary, but as it's spam, there's unlikely to be a need
23:47:00 <oerjan> i don't think i actually pasted the russian version
23:48:03 <oerjan> <oerjan> google's lousy translation: "The teacher asks Vovochka: - Little Johnny, why do you yesterday did not come to school? - Grandpa burns received ... - Oh! But seriously hurt? - Of course! In the crematorium are not joking."
23:48:43 <oerjan> (actually i am _sure_ i did not paste the russian version, since that would have required unicode)
23:48:50 <ehird> ais523: paste the russian plz
23:49:19 <exaltation> (except for how on earth could Vovochka become Johnny?)
23:50:13 <exaltation> Вовочка, ты почему вчера не пришел в школу? - Дедушка ожеги получил... - Ой! А серьезно пострадал? - Конечно! В крематории не шутят.
23:50:18 <ehird> I want the russian though
23:50:18 <oerjan> <oerjan> (little Johnny == Vovochka, except they're in different case and google only translates one of them fully to english)
23:50:41 <ehird> ais523: doesn't it take like three clicks :P
23:50:41 <oerjan> ais523: http://tunes.org/~nef/logs/esoteric/09.08.31
23:50:43 <ais523> there's an older spam in russian, too
23:51:01 <oerjan> ais523: it was the old spam of that page i was talking about
23:51:20 <ais523> == Анекдоты == Учительница спрашивает Вовочку: - Вовочка, ты почему вчера не пришел в школу? - Дедушка ожеги получил... - Ой! А серьезно пострадал? - Конечно! В крематории не шутят.
23:52:08 <ais523> exaltation: you missed two lines at the start, though, so I thought I may as well do the whole thing
23:52:54 <ehird> hey, he got it exactly right
23:53:07 <oerjan> exaltation: did you actually back translate that?
23:53:13 <ehird> lament is russian, no?
23:53:19 <exaltation> translated the punchline and googled for the rest to get it exact
23:55:08 <ais523> I can't find it in that log
23:55:48 <exaltation> the google translation is actually good
23:56:08 <exaltation> since it preserves the seriously hurt / not joking pun
23:56:20 <ais523> now I'm wondering what the joke is
23:56:35 <oerjan> exaltation: wait, that was a pun?
23:56:52 <exaltation> "Was he seriously hurt? - Of course, they're not joking at the crematorium"
23:57:23 <exaltation> a pun on the two meanings of seriously
23:58:16 <ais523> the pun works in Russian too?
23:59:02 <oerjan> except i'm not sure it really works in english (or the equivalent norwegian, which would be similar), because the adverbial phrase has a fixed meaning nothing to do with humor
23:59:34 <exaltation> sure, it's better in russian, that's why it's a russian joke
23:59:45 <exaltation> the punchline itself is funnier in russian
23:59:55 <ais523> oerjan: in English, it's a bad pun; I can imagine it would be a rather better pun in Russian