| --- Log opened Tue Aug 26 00:00:48 2014 |
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| 02:37 | | * Vornicus learned to use async http and canvases today |
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| 03:09 | < [R]> | Nice |
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| 06:03 | | Kindamoody[zZz] is now known as Kindamoody |
| 06:05 | <@Reiv> | Vorn: The reason I was interested was for, say, a game where you wanted a long yet variable game length. |
| 06:06 | <@Reiv> | It would have the advantage that you'd know how long you had until the game *might* end, but when it *will* end you've only got one turn remaining |
| 06:06 | <@Reiv> | And this could be at any time, so you can't rest on your laurels so much. |
| 06:07 | <@Reiv> | This is probably not a *good idea* for a game, I grant, because it's so damn variable |
| 06:07 | <@Reiv> | But it's an interesting idea all the same, I felt. |
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| 06:13 | <@Alek> | kinda reminds me of Uno. |
| 06:13 | <@Alek> | where it doesn't really matter how many cards any player has left, UNTIL they have just one. |
| 06:13 | <@Alek> | (or none) |
| 06:14 | <@Reiv> | Kinda, I guess. |
| 06:14 | <@Reiv> | Oh hey Alek |
| 06:14 | <@Reiv> | Numenera. Go post. |
| 06:14 | <@Reiv> | :) |
| 06:14 | <@Alek> | It's past midnight. tomorrow, I hope. sorry. |
| 06:16 | <&McM[AFK]> | Reiv: Mobile Frame 0 has a countdown-to-end-of-game clock that players can accelerate if they so choose. |
| 06:17 | <&McM[AFK]> | It's also a wargame played with LEGO gundams! It's adorable and actually pretty fun, and I think the rules are free to download, even |
| 06:17 | <&McM[AFK]> | http://mobileframezero.com/mfz/ |
| 06:23 | | * Alek remembers, circa 00, give or take a few years, stumbling across wargame rules that used all kinds of junk in the room as troops etc. |
| 06:23 | <@Alek> | somewhere online. |
| 06:37 | <@Reiv> | Alek: Please do post, though. |
| 06:37 | <@Reiv> | McM[AFK]: I vaugely recall discussing that with the designer, or some such |
| 06:37 | <@Reiv> | Who went to great pains to remove the 'first turn advantage' and the like. |
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| 10:27 | | * Azash manages to bring production down by presuming production behaves like staging at all |
| 10:35 | <@Azash> | http://i.imgur.com/UjQwkUz.png |
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| 11:27 | | You're now known as TheWatcher[d00m] |
| 11:33 | <@thalass> | hrm. How does one make git list the remote repositories it knows of? |
| 11:44 | < Syka> | thalass: git remote -l |
| 11:44 | < Syka> | er |
| 11:44 | < Syka> | `git remote` |
| 11:44 | < Syka> | or git remote -v to get the urls |
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| 11:51 | <@thalass> | thanks :) |
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| 12:24 | | You're now known as TheWatcher |
| 12:31 | | thalass_the_builder is now known as Thalass |
| 12:35 | <@TheWatcher> | Thalass: or you can just look in .git/config too |
| 12:37 | <@Thalass> | ah heh |
| 12:38 | <@Thalass> | Turns out that I had updated the desktop copy when it was clear the netbook was dying. So no need. I don't think there's anything that needs saving on it. |
| 12:38 | <@Thalass> | Which usually means there's something I'll regret losing. |
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| 14:19 | < [R]> | Azash: what's the NSA-proof algo from? |
| 14:26 | <@TheWatcher> | AngularJS https://docs.angularjs.org/guide/providers#factory-recipe |
| 14:27 | <@TheWatcher> | (it's undoubtedly an tongue-in-cheek joke example) |
| 14:27 | | * TheWatcher has that stray n shot |
| 14:34 | <@Azash> | [R]: Angular.js source |
| 14:34 | <@Azash> | Oh, there you go |
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| --- Log closed Tue Aug 26 15:20:13 2014 |
| --- Log opened Tue Aug 26 15:20:38 2014 |
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| 16:29 | | * Derakon eyes the Micro-Manager mailing list. |
| 16:29 | <&Derakon> | Someone has a black-box servomotor, no documentation, manufactured in 1991, has a DB-9 serial cable. |
| 16:30 | <&Derakon> | And he's trying to figure out how to make it work. |
| 16:30 | <&Derakon> | Good fucking luck, buddy. |
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| 16:43 | <@gnolam> | 9-pin servo? Weird. |
| 16:43 | <@gnolam> | I thought PWM control was pretty darned standard for servos. |
| 16:53 | <@Thalass> | pwm control is ancient in servomotors. If it had a cannon plug I'd suggest the servo was from an aircraft, where such nonsense as "pwm" or "digital" is far too newfangled. It might be a bonefide analogue op-amp voltage comparing servo thingy. Potentiometer input this, therefore servo move until internal potentiometer is same. |
| 16:57 | <&Derakon> | I expect the 9-pin is to tell the controller what to do, and the controller in turn directs the servo via PWM or something similar. |
| 16:57 | <&Derakon> | But that means you have to reverse-engineer the controller protocol. |
| 16:59 | <@Thalass> | madness. If he opened it up he'd probably find a nearly-evaporated imp or something. |
| 16:59 | | Thalass is now known as thalasleep |
| 16:59 | <@thalasleep> | (damint. go do sleeep) |
| 17:00 | | Colin is now known as Julius |
| 17:00 | <&ToxicFrog> | Assuming that there's an actual protocol and controller rather than, say, analog control and the db-9 is just a convenient way to hook it up. |
| 17:02 | <&Derakon> | Well, this is true. |
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| 17:02 | <&Derakon> | But the guy's email smacked of "I found this motor on eBay, how do I make it go?" so I doubt he really has the necessary skills in any case. |
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| 23:28 | <~Vornicus> | I find myself with a conundrum: I need to do arithmetic on half-precision floating point numbers. |
| 23:29 | <@Reiv> | half-precision? |
| 23:29 | <~Vornicus> | 16 bit floats. |
| 23:30 | <~Vornicus> | This as opposed to 32bit single-precision (what Java for instance calls "float") and 64bit double-precision (what Java calls "double") which are the common ones. |
| 23:32 | <@Reiv> | Beyond losing precision, is there a particular problem? |
| 23:33 | <~Vornicus> | Well -- the reason I want half-precision is I want to iterate through *all* of them. |
| 23:33 | <~Vornicus> | (or at least the quarter or so of them that are between 0 and 1) |
| 23:34 | <@Reiv> | Floating point numbers are not generally something you try to iterate between |
| 23:34 | <@Reiv> | You normally calculate to the correct one, not search the range as it were |
| 23:35 | <~Vornicus> | You forget who you are talking to here |
| 23:38 | <~Vornicus> | I need them all so I can root out possible evil. |
| 23:40 | <@RchrdB> | Reiv, not if you're writing libm! |
| 23:41 | <@RchrdB> | Vornicus, the only place that I'm immediately aware of where you'd find float16 support is OpenCL. |
| 23:41 | <@RchrdB> | I'm not actually sure that OpenCL supports float16 in computations, only as a format for use in packed arrays, also. |
| 23:43 | <@RchrdB> | Vornicus, would having a function that converts a float32 to the nearest half-float, and a function that computes the next exactly-representable-by-a-half-float value suffice? |
| 23:44 | <@RchrdB> | AIUI, relying on exact rounding behaviour for particular float sizes is problematic anyway because I think IEEE754 gives your compiler+CPU a certain amount of leeway to use higher than stated precision behind your back. :| |
| 23:45 | <~Vornicus> | The goal at the moment is to replicate the rounding rules during addition |
| 23:47 | <@RchrdB> | Huh? |
| 23:47 | <@Reiv> | hm |
| 23:47 | <@Reiv> | If you want to iterate *every* half-float |
| 23:47 | <@Reiv> | Perhaps you should be iterating bitwise. |
| 23:48 | <~Vornicus> | RchrdB: I'm trying to determine if, for all t 0 <= t <= 1, (1 - t) + t = 1 |
| 23:49 | <@RchrdB> | Incidentally, if your CPU represents floats with the bytes going the same way as its ints, then you can iterate floats like, float next_float(float n) { union { float f, int32_t i } u; u.f = n; u.i++; return u.f; } |
| 23:49 | <@RchrdB> | and it's in-order too, because the mantissa bits sit *below* the exponent bit |
| 23:49 | <@RchrdB> | *below the exponent bits :) |
| 23:50 | <@RchrdB> | It's sorta ungainly on NaNs though ;P |
| 23:50 | <~Vornicus> | That was the plane |
| 23:50 | <~Vornicus> | plan* |
| 23:53 | <@RchrdB> | Vornicus, fwiw, http://half.sourceforge.net/ seems to exist. :) |
| 23:55 | <~Vornicus> | Victory |
| --- Log closed Wed Aug 27 00:00:37 2014 |