IRC log for #brlcad on 20150901

01:05.17 *** join/#brlcad infobot (ibot@69-58-76-73.ut.vivintwireless.net)
01:05.17 *** topic/#brlcad is BRL-CAD || http://brlcad.org || logs: http://ibot.rikers.org/%23brlcad/ || Congrats to all GCI 2014 winners Peter & Marc! || Congratulations to our 12 GSoC students! || Don't ask if someone is here, just ask your questions and wait for a response. ;-)
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14:16.24 Notify 03BRL-CAD:starseeker * 66140 (brlcad/trunk/src/libbrep/shape_recognition.cpp brlcad/trunk/src/libbrep/shape_recognition.h and 4 others): face_set_key actually isn't specific to faces.
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16:34.03 Notify 03BRL-CAD:starseeker * 66141 brlcad/trunk/include/brep.h: Reorganize subbrep_object_data struct a bit
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17:11.51 Notify 03BRL-CAD:brlcad * 66142 (brlcad/trunk/src/libbrep/shape_recognition_cylinder.cpp brlcad/trunk/src/libged/joint.c and 10 others): fix the remaining places where we do math with SMALL_FASTF and SQRT_SMALL_FASTF, which is a no no. those constants are defined as epsilons near zero, which can result in no operation when added or subtracted from a number that is not near zero. this results in unexpected expression logic
17:11.53 Notify where cases like '1.0' < '1.0 + SMALL_FASTF' evaluates false -- they are equal because SMALL_FASTF is too small (consider nextafter() or a larger epsilon value like VDIVIDE_TOL). instead of trying to do math with the small values, shift the expression and equivalently just compare against it.
17:11.55 Notify ...
17:15.11 Notify 03BRL-CAD:brlcad * 66143 brlcad/trunk/include/config_win.h.in: DBL_EPSILON is only good near 1.0 as a nextafter approximation. it becomes increasingly wrong as numbers increase in power from 1.0 and wildly wrong near zero.
17:41.25 Boquete New google logo *.*
17:46.04 Notify 03BRL-CAD:starseeker * 66144 (brlcad/trunk/include/brep.h brlcad/trunk/src/libanalyze/find_subtracted_shapes.cpp and 8 others): Start trying a bit of a refactor for readability - this almost certainly breaks things.
17:46.46 *** join/#brlcad konrado (~konro@41.205.22.4)
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17:54.13 Notify 03BRL-CAD:starseeker * 66145 brlcad/trunk/src/libbrep/shape_recognition.cpp: use faces rather than loops for key
18:04.34 *** join/#brlcad kintel (~kintel@unaffiliated/kintel)
18:38.32 Notify 03BRL-CAD:brlcad * 66146 brlcad/trunk/TODO: idents command is displaying subtracted entities too and that's not helpful.
18:41.29 *** join/#brlcad Stragus (~alexis@modemcable090.29-19-135.mc.videotron.ca)
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19:13.39 Notify 03BRL-CAD:brlcad * 66147 brlcad/trunk/src/burst/grid.c: eliminate duplicate code. just call the default handler instead of copying it.
19:15.03 Notify 03BRL-CAD:brlcad * 66148 brlcad/trunk/src/burst/grid.c: and the other instance of duplication...
19:17.18 Notify 03BRL-CAD:brlcad * 66149 brlcad/trunk/src/burst/grid.c: rt_defoverlap IS published already
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19:29.54 Notify 03BRL-CAD:brlcad * 66150 brlcad/trunk/src/librt/bool.c: there are a lot of old symbols in here that should not be published, should be hidden/static, and warrant renaming to not use the rt_ prefix of the published API.
19:31.08 Notify 03BRL-CAD:brlcad * 66151 brlcad/trunk/src/librt/bool.c: rt_fdiff was marked obsolete for 7.26, but still needed to be removed. gone now.
19:39.23 Notify 03BRL-CAD:brlcad * 66152 brlcad/trunk/src/librt/bool.c: more function hiding and elimination of the obsolete rt_reldiff function
19:41.33 Notify 03BRL-CAD:brlcad * 66153 brlcad/trunk/CHANGES: clean up incorrect regex lines (version goes on comment lines), rename rt_grow_boolstack to rt_bool_growstack for consistency
19:44.06 Notify 03BRL-CAD:brlcad * 66154 (brlcad/trunk/include/rt/boolweave.h brlcad/trunk/src/librt/bool.c and 2 others): rename rt_grow_boolstack to rt_bool_growstack for consistency
20:08.32 Notify 03BRL-CAD:starseeker * 66155 brlcad/trunk/src/libbrep/shape_recognition_util.cpp: Scale, then duplicate...
20:35.01 *** join/#brlcad merzo (~merzo@244-53-132-95.pool.ukrtel.net)
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23:04.20 Notify 03BRL-CAD:starseeker * 66156 brlcad/trunk/src/libbrep/shape_recognition.cpp: Need to insert sb before continuing...

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