IRC log for #brlcad on 20071207

00:03.21 ``Erik heh
00:10.48 yukonbob heh
00:13.09 yukonbob http://xkcd.org/350/
00:15.23 Axman6 ``Erik: heh
00:16.00 yukonbob ok last one from me: http://xkcd.org/346/
00:40.59 Axman6 sounds like RSS... xkcd has a feed
00:44.21 ``Erik I've only looked at rss using firefox, not an aggregator
00:44.35 ``Erik http://math.missouristate.edu/~erik/comics/comic.php is my dealie
01:01.45 Axman6 don't use a mac do you?
01:04.32 ``Erik yeah I do
01:07.59 Axman6 got leopard yet?
01:08.13 Axman6 mail 3.0 adds RSS support, it' pretty nice
01:08.16 Axman6 s*
02:57.53 ``Erik <-- doesn't use mail.app *shrug* :)
03:05.17 Maloeran Hey starseeker
03:05.55 Maloeran Gez, how can it be so hard to get a manager to compile code properly. I blame your autoconf stuff, Erik :)
03:43.23 ``Erik uh
03:43.28 ``Erik manager? compiling something? O.O
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04:51.33 CIA-4 BRL-CAD: 03brlcad * 10brlcad/include/bu.h: remove bu_brlcad_path and bu_tcl_brlcad_path decls, they're now obsolete
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05:10.46 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/other/blt/src/blt.h: quell compilation warning about data definition having no type or storage class in libtclcad when including the blt.h header
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05:18.33 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/libbu/semaphore.c: don't mention compat4.h
05:20.36 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/librt/bomb.c: compat4.h is no longer needed or wanted, pretend it doesn't exist .. so don't undefine things it might define
05:22.44 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/libbu/libbu.3: remove the RECOMMENDATION section that refers to compat4.h and updating sources several major versions old
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05:31.49 CIA-4 BRL-CAD: 03brlcad * 10brlcad/NEWS: update the section on deprecation with a pointer to the doc/deprecation.txt transcript. remove the old blather about compat4.h and mged commands.
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05:42.00 CIA-4 BRL-CAD: 03brlcad * 10brlcad/include/raytrace.h: provide the args for a_overlap() so it can perform type checks
05:46.04 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/rttherm/viewtherm.c: set the app's log overlap handler to rt_silent_logoverlap() instead of setting the overlap callback to rt_overlap_quietly()
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06:32.59 CIA-4 BRL-CAD: 03brlcad * 10brlcad/ (include/raytrace.h doc/deprecation.txt src/librt/bool.c):
06:32.59 CIA-4 BRL-CAD: rt_overlap_quietly() is now finally obsolete. no longer need the _rt_defoverlap
06:32.59 CIA-4 BRL-CAD: since the verbosity flag is no longer used anyways as well. apps instead can
06:32.59 CIA-4 BRL-CAD: set the a_logoverlap callback to a logging routine (like rt_silent_logoverlap())
06:32.59 CIA-4 BRL-CAD: as the overlap handler is supposed to be silent.
06:36.33 CIA-4 BRL-CAD: 03brlcad * 10brlcad/include/ (Makefile.am compat4.h): compat4.h is now finally fully obsolete. it's been deprecated since 5.0 and with a compilation pragma warning now for several major release. it's time. just let it go. buh-bye.
06:37.22 CIA-4 BRL-CAD: 03brlcad * 10brlcad/doc/deprecation.txt: compat4.h is now finally fully obsolete. it's been deprecated since 5.0 and with a compilation pragma warning now for several major release. it's time. just let it go. buh-bye.
06:43.10 CIA-4 BRL-CAD: 03brlcad * 10brlcad/ (doc/deprecation.txt src/libbn/mat.c): and then there were none. make the last of the pre-7.0 deprecations now finally obsolete including bn_mat_zero(), bn_mat_idn(), and bn_mat_copy(). they all have equivalent macros provided by the api.
06:52.32 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/librt/bool.c: reorder the functions so that no declarations are necessary.
06:54.00 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/librt/bool.c: doxygenify
06:57.48 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/libfft/fftc.c: quell warning
06:58.50 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/libfft/ifftc.c: quell warning
07:04.01 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/libpkg/pkg.c: use stat() instead of access() (and it's a c89 function)
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07:39.17 Defcon morning all
07:39.18 Defcon happy hacking
07:50.33 alex_joni hi Defcon
07:55.11 Defcon hi alex_joni
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14:21.54 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/other/ (6 files in 3 dirs): apply a modified form of Pedro F. Giffuni - giffunip's sf patch [ 1845889 ] "Minor fixes to URT" (seems half his changes were already applied)
14:22.42 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/other/URToolkit/tools/.cvsignore: ignore rleccube
14:37.15 CIA-4 BRL-CAD: 03brlcad * 10brlcad/NEWS:
14:37.15 CIA-4 BRL-CAD: applied a modified form of Pedro F. Giffuni - giffunip's sf patch [ 1845889 ]
14:37.15 CIA-4 BRL-CAD: "Minor fixes to URT" (seems half his changes were already applied). this fixed
14:37.16 CIA-4 BRL-CAD: bugs in several Utah Raster Toolkit including libutahrle and a handful of the
14:37.16 CIA-4 BRL-CAD: tools
14:41.15 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/rt/rt.1: apply a modified form of Karel Kulhavy - clock3's sf patch [ 1837469 ] "man rt" documentation tweak that clarifies that the -d option returns zero as the distance when it misses.
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15:08.14 Z80-Boy brlcad: wow, great :)
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16:20.11 CIA-4 BRL-CAD: 03erikgreenwald * 10brlcad/src/librt/librt.3: remove mention of the obsolete (and removed) rt_overlap_quietly function
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17:48.20 CIA-4 BRL-CAD: 03erikgreenwald * 10brlcad/src/mged/clone.c: record Dwayne's wishlist
17:48.41 CIA-4 BRL-CAD: 03erikgreenwald * 10brlcad/TODO: mention the todo list in clone.c
18:01.37 Submarine mmh
18:01.43 Submarine sorry for the innocent question
18:01.53 Submarine but around which axis does the rotate command work?
18:01.59 Submarine I don't mean x, y or z
18:02.07 Submarine (which is a direction)
18:02.22 Submarine but the axis in affine space... like is it the axis passing through (0, 0, 0) ?
18:02.40 Z80-Boy Submarine: that's a great mystery of the universe
18:04.53 Submarine Thanks for the helpful contribution.
18:05.04 Z80-Boy I also hit the same problem
18:05.22 Z80-Boy I wanted to know if the spaces are in the matrix input space or the matrix output space.
18:05.45 Z80-Boy And also if it rotates counter or clockwise, and if, then from which view direction counter or clockwise ;-)
18:06.05 Z80-Boy I solved it by stopping using the rot command and typing the matrices manually.
18:06.15 Submarine arf?
18:06.56 Z80-Boy and it also sometimes rotates the view and sometimes the body edited - isn't clear to me which applies when
18:07.19 Z80-Boy With the matrices it works all right
18:07.33 Z80-Boy except I need to use a scientific calculator if I want a rotation not multiple of 90 degrees
18:08.38 Submarine ok
18:08.49 Submarine Is there any other free CAD 3D tool?
18:10.02 Z80-Boy No
18:10.34 Z80-Boy But if someone reverse engineers the behaviour of the rot command and patches the help entry then it becomes usable
18:12.49 CIA-4 BRL-CAD: 03brlcad * 10brlcad/src/librt/g_bot.c: limit the length of the face_mode copy into the bizzare use of bot_data (where we intentionally go past the sizeof(struct bot_rec) with the bot data for v4 files)
18:16.56 ``Erik mal: #1 best move, flathead screwdriver. Insert. Twist. Reassembled. :D
18:52.29 Maloeran ``Erik, I have doubts about getting down to 2 minutes your way :)
18:53.37 ``Erik I can solve it in 0 seconds for any permutation such that each side has all 9 cells the same color :D
18:56.24 Maloeran Hum, 2 minutes 25 seconds
18:56.55 Maloeran I don't quite get how some people complete it in < 20 seconds, you have to spend some time to actually observe the cube
18:57.48 ``Erik probably a pre-defined starting point and plain memorization of the "solution"
18:58.34 Maloeran Oh. So they study it in advance, and take 20 seconds just to make their moves
18:58.46 minute-ssh 3^3
18:59.00 minute-ssh Surely?
18:59.04 Maloeran No :)
18:59.14 ``Erik heh, the combinatorics are a little more complex
18:59.15 minute-ssh Oh yeah, different colours.
18:59.17 alex_joni way more than that :)
18:59.29 minute-ssh :P
19:00.16 Maloeran 43,252,003,274,489,856,000 permutations, apparently
19:00.21 minute-ssh uh
19:00.26 alex_joni 8!*3^8*12!*2^12 = 519024039293878272000
19:01.30 alex_joni Maloeran: that seems like too much
19:01.50 alex_joni this seems a bit more realistic: http://www.mathematische-basteleien.de/rubikscube.htm
19:01.55 Maloeran Wikipedia never lies!
19:02.20 ``Erik funny
19:02.27 ``Erik I was just reading the latest 'issue' with wikipedia
19:02.32 ``Erik on register.co.uk
19:02.55 minute-ssh They had it on slashdot also, but the register isn't very reliable IMO.
19:03.20 archivist as reliable as /.
19:03.25 ``Erik nah, but they are the source of active bofh content, so I dig 'em anyways... and I'm coming from the slashdot page originally...
19:04.01 minute-ssh Ah kk
19:04.15 Maloeran Every permutation can be solved in 26 moves or less... I think I'm more around 100 moves
19:04.17 alex_joni Maloeran: /me starts to agree with wikipedia
19:04.24 ``Erik and there're enough third party articles (both for this and several other issues) that I'm souring on wikipedia
19:04.38 ``Erik my solution is two moves
19:04.41 ``Erik ok, 3
19:04.44 ``Erik stab, twist, build
19:04.53 ``Erik for any permutation :D
19:05.13 alex_joni ``Erik: do that with the light switched off :)
19:05.23 archivist yes
19:05.29 ``Erik just as easy as doing it "normally"...
19:05.39 ``Erik just like this *click* *stab* AHHH MY HAND!
19:07.10 Maloeran We need to time your solution against mine :)
19:08.04 archivist all the bits are red at that point so its easy to reassemble
19:08.11 ``Erik sure, but bear in mind, I don't play by the rubik rules, so smacking the cube out of your hands or kicking you over is right up my alley :D
19:09.16 ``Erik damn, I'm gettin' hungry :/
19:10.05 ``Erik heh, quality of the register... summed up... well... http://yro.slashdot.org/comments.pl?sid=382783&cid=21613301
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19:15.11 alex_joni haha.. this is nice: http://en.wikipedia.org/wiki/Sudokube
19:18.29 Maloeran Ah big deal, it needs orientation of the middle cubes :), it's pretty much a Rubik Cube
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19:18.58 alex_joni Maloeran: how about a Megaminx?
19:19.01 ``Erik heh
19:19.07 ``Erik this is making me want to write puzzle games. again. :/
19:19.09 ``Erik bastards
19:19.13 alex_joni The 12-color Megaminx has exactly 100,669,616,553,523,347,122,516,032,313,645,505,168,688,116,411,019,768,627,200,000,000,000 different positions.
19:19.45 ``Erik that could take a little time to brute force
19:20.08 archivist a larger screwdriver
19:20.16 alex_joni ``Erik: found your cube: http://images.thinkgeek.com/action/large/2108957.jpg
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19:20.29 ``Erik mebbe some vicegrips to get the additional torque
19:20.40 ``Erik :D
19:20.44 ``Erik no
19:20.55 Maloeran Ohh alex_joni, neat!
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19:21.05 ``Erik after several 'screwdriver' wins, the stickers are fine, but the cubes get loose
19:21.07 Maloeran Now I know what to ask for Christmas
19:22.08 ``Erik HUMMMMMMMMm, maybe I should write a little puzzle game using, omfg, WEB TWO POINT OHHHHH
19:22.16 ``Erik with a lithp backend
19:22.20 ``Erik that would be thuper
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19:23.37 alex_joni The full number is precisely 282,870,942,277,741,856,536,180,333,107,150,328,293,127,731,985,672,134,721,536,000,000,000,000,000 possible permutations (about 282 tresvigintillion on the short scale).
19:23.52 ``Erik heh
19:24.00 ``Erik and that's two to the what-th?
19:24.08 alex_joni compute even.. although I suspect it's fairly fast in bc
19:24.14 alex_joni http://en.wikipedia.org/wiki/Professor's_Cube
19:24.42 ``Erik heh http://www.cnn.com/2007/TECH/ptech/12/07/c64/index.html
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20:44.53 yukonbob starseeker: whats the issue?
20:50.54 Maloeran I'm on a gentoo amd64 box if you need testing
20:51.05 Maloeran Though I don't see how a problem can be specific to this arch
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20:55.45 prasad1 intel dev systems are a bunch of bricks
20:55.58 prasad1 four systems, all fail to boot
20:55.59 prasad1 :(
21:02.58 starseeker Maloeran: It has to do with the paths being chosen for libraries
21:03.16 starseeker Maloeran: Have you ever tried the gentoo ebuild in bugzilla?
21:03.49 starseeker yukonbob: Things keep getting named lib when they're supposed to be named lib64 (or something like that)
21:04.10 Maloeran I haven't tried, I tend to install manually whenever portage doesn't just work directly and instantly
21:04.20 Maloeran ( Masked keywords or whatever, it likes to complain a lot )
21:06.16 yukonbob starseeker: lib vs lib64 -- is this for the paths? (ie: /usr/local/lib/foo.so or /usr/local/lib64/foo.so ?)
21:08.59 Z80-Boy Do you know what I should put into a vegetables soup that tastes bland?
21:09.11 yukonbob potatoes
21:09.14 Z80-Boy I boiled just vegetables from the "vegetable soup" pack
21:09.17 starseeker yukonbob: yes
21:09.24 Maloeran Cumin
21:09.40 starseeker Oh :-)
21:09.40 yukonbob Z80-Boy: oh -- for a soup that's bland, not something bland to put into the soup ;)
21:09.44 yukonbob celery
21:09.54 starseeker Maloeran: Do you have a /usr/local/portage overlay?
21:10.16 Z80-Boy Salt?
21:10.41 Z80-Boy I put a whole onion in and fried a bit all the vegetables
21:10.43 starseeker This ebuild SHOULD work smoothly. The path issue on AMD64 seems to be the remaining annoyance
21:10.46 Z80-Boy I put cumin there
21:11.11 Z80-Boy Not only my BRL-CAD video is out of sync because the encoder doesn't work properly...
21:11.15 yukonbob starseeker: you must have an $ARCH variable or similar to test + adjust ./configure args accordingly, no?
21:11.18 Z80-Boy But my soup also tastes *BLAND*!
21:11.28 Z80-Boy The ultimate doom is impeding on me!
21:11.37 starseeker yukonbob: Never tried that - that's an idea.
21:13.03 Z80-Boy I just put an egg into it
21:13.12 starseeker Hmm - ARCH isn't showing anything...
21:14.14 starseeker I think the ARCH detection stuff is built into portage - at least, most of the ebuilds I've seen never do platform specific testing
21:14.37 yukonbob if you don't have such a var (I'd be surprised if there not _something_ like it), you could use dmesg and parse that?
21:15.08 yukonbob starseeker: if the ARCH stuff is buildin, you must have a way to query it though..
21:15.21 starseeker probably
21:15.58 starseeker I don't know if it can "fake it" properly for a build though - the real test for this issue is to see whether an AMD64 system can load mged after the ebuild installs it
21:16.11 starseeker It seems to have to do with what paths tcl is looking in
21:17.40 yukonbob ~tea Tcl
21:17.40 ibot ACTION realizes it's time for high tea and gets busy in the kitchen. He brings out tea, crumpets, scones and an assortment of delectable goodies and serves them properly to Tcl and others
21:18.44 ``Erik bots on crack, wee
21:19.08 archivist hmm I should have a tea module in my bot (especially as its named the_wench)
21:20.06 starseeker Ah well - once 7.12 comes out there should be another round of interest
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21:29.19 ``Erik I thought wenches served beer or mead, not tea
21:29.19 archivist its had a !wench beer command for ages
21:35.56 yukonbob starseeker: is this box you're working on your own personal machine?
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21:56.53 starseeker yukonbob: Yes
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