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| 00:16.53 | AAA_awright | Is it divided by zero anywhere? |
| 00:18.31 | blast007 | AAA_awright: it's probably used in division somewhere, yes |
| 00:18.33 | trepan | setDesiredAngVel(azimuthDiff / dt / tankAngVel) |
| 00:18.51 | blast007 | to infinity and beyond! |
| 00:19.03 | AAA_awright | blast007: For velocity? I can't imagine why you would want to |
| 00:19.18 | AAA_awright | Linear velocity, I mean |
| 00:19.24 | joevano | JeffM: quake knocked down my wife's Grandma's brick fence in Mexicali and threw tons of stuff to the floor, no electricity... and everyone is outside |
| 00:19.42 | blast007 | joevano: he left ;) |
| 00:20.05 | joevano | no one is really sure about structural damage yet... no outright failures |
| 00:20.19 | blast007 | sucks |
| 00:20.25 | joevano | oh, he did, I looked and didn't see it |
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| 02:18.33 | CIA-64 | BZFlag: 03Brad 07http://my.bzflag.org * r7003 10/w/Bz_fireWorldGM: dt = delay time |
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| 03:22.20 | jcp | If I were to create a wiki page about how to set up JZBot to connect to a BZFlag server, would that be accepted favorably by the devs? |
| 03:22.34 | jcp | (read: or would there be devs mad at me over that?) |
| 03:23.08 | jcp | And I'd be happy to include the usual "don't connect bots to servers you don't run, and don't be stupid and send their passwords to other people" disclaimer on the article |
| 03:26.34 | jcp | takes the silence as a "yes, that's ok" type of remark |
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| 03:42.05 | Constitution | or maybe there was nobody here to answer |
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| 06:35.11 | Constitution | anyone know of a straightforward way to determine y, where 2^y = x, when given x? |
| 06:35.26 | Constitution | aside from repeatedly dividing by 2? |
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| 06:36.27 | jorgenpt | Constitution: log2(x) |
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| 06:37.21 | Constitution | ah, thanks |
| 06:37.37 | Constitution | knew it had to be simple :) |
| 06:47.39 | AAA_awright | lg(x) or just log(2)/log(2). Constitution: Do you need a floating point representation? |
| 06:47.58 | AAA_awright | If you don't, it's FAR faster to use a bitwise operation |
| 06:48.13 | Constitution | AAA_awright: just int |
| 06:48.46 | AAA_awright | log() is calculated by doing just that, repeatedly dividing in a for() loop, it's not exactly very fast. |
| 06:49.33 | Constitution | ok... been so long I forgot |
| 06:50.58 | Constitution | I use it infrequently, so that's fine |
| 06:51.50 | AAA_awright | There is a fast operation that uses polynomial multiplication, ln(x+1) for an x close to 1 iirc... you are just finding the most significant bit that is non-zero? That should be fast... I haven't actually thought about it... k |
| 06:52.39 | Constitution | AAA_awright: I don't know what you mean |
| 06:52.53 | Constitution | I am trying to determine what root of 2 a given number is |
| 06:53.17 | Constitution | I need it to determine the number of recursion levels for a function |
| 06:54.42 | AAA_awright | http://en.wikipedia.org/wiki/Binary_logarithm#Integer looks helpful |
| 06:55.27 | Constitution | thanks |
| 06:57.39 | BulletCatcher | log2(x) *is* the mathematically correct answer. Don't spend time on optimization you don't need. |
| 06:57.51 | AAA_awright | Yeah sorry if that's confusing. If it's a hack log(x)/log(2) should be good enough (though if x is really close to an exponent of 2 it might be wrong due to floating-point error, for fairly small numbers shouldn't be a problem) |
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| 21:20.29 | joevano | JefferyM_: did you see 90% of downtown Calexico was red tagged as non-occupiable--- worse in Mexicali is my guess |
| 21:22.49 | joevano | 80% |
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| 23:31.10 | JefferyM_ | joevano, wow |
| 23:38.26 | joevano | yeah it is pretty bad in Mexicali... my wife's family lives there |
| 23:39.07 | joevano | nothing like chile or anything, but it is going to take a while to put it all back together |
| 23:39.24 | JefferyM_ | :( |
| 23:39.47 | JefferyM_ | when I saw how far away it was for what I felt I knew it had to have knocked some stuff down |
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