<< 03-06-2017 >>
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00:22:12skrylarso, one last attempt at this question: is there any way to specify a continuation? like if you have a list of callees, and you put a closure in one, that closure being able to say something like (caller.unregister(continuation_self))
00:22:34skrylarIt's okay if there's not, I'll just switch over to a special return value and/or a string,cont tuple
00:22:44skrylarbut wanted to check for nim cleverness first
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00:29:50skrylaralso there is still a slight embarassment in that the official arch for nim 17 has that environment error
00:29:59skrylarnot sure if thats fixed upstream yet :x
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00:49:08FromGitter<ftsf> @zacharycarter still issues with the 3d example. `model.nim(24, 19) Error: attempting to call undeclared routine: 'getTextureCount'`
00:50:04FromGitter<ftsf> I'd suggest adding a nimble task to build all the examples
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02:50:01libmanNim advocacy rant of the day - https://www.quora.com/What-is-a-good-alternative-to-C++/answer/Alex-Libman-2
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04:24:11FromGitter<gogolxdong> if one generic type is int,another is floa64,how to change returned generic type
04:25:09FromGitter<Varriount> @gogolxdong Could you provide an example?
04:26:40FromGitter<gogolxdong> ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=59323a8031f589c64f6d0879]
04:27:41FromGitter<gogolxdong> T:int ,K:float64
04:30:51FromGitter<gogolxdong> M,N:static[int]
04:35:19FromGitter<gogolxdong> With the implicit cast convention of literal int and float64 multiplication ,T should turn into float64
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04:41:12FromGitter<Varriount> @gogolxdong https://gist.github.com/Varriount/d9915ffc2261aa187ef7661c52e5b828
04:44:14FromGitter<gogolxdong> you cannot instantiate: 'T2' in this way
04:48:39FromGitter<mratsim> @gogolxdong You cannot do that, you either need k to be of type T2, or `*` to be a (T,T) -> T2 or (T,T2) -> T2 operation
04:50:07FromGitter<mratsim> by the way, I refactored @andreaferretti ’s linalg library to use Matrix[M,N,T] type instead of just Matrix64[M,N]
04:50:46FromGitter<mratsim> Check it out: https://github.com/unicredit/linear-algebra/pull/14
04:52:09FromGitter<mratsim> If you need to work with `int`, I’ve also started a Numpy-like Tensor/Torch library here: https://github.com/mratsim/Arraymancer
04:53:19FromGitter<mratsim> but it does not use `static[int]`for dimensions so compiler cannot enforce Matrix multiplication compatibility
04:57:06FromGitter<mratsim> If you need the best performance, I strongly advice you `not` to use an array of array. It’s better to use a single array, of size M*N, with either rows being contiguous (C order - you start at 0,0 then 0,1 then 0,2 then 1,0, then 1,1 …)
04:57:33FromGitter<mratsim> or columns being contiguous (0,0 then 1,0, then 2,0 then 0,1, then 1,1 …)
04:58:02FromGitter<mratsim> In-depth reading: http://eli.thegreenplace.net/2015/memory-layout-of-multi-dimensional-arrays/
05:02:43FromGitter<gogolxdong> I think providing a alternative Numpy library in Nim is brilliant as the underlying library of tensorflow or torch.
05:03:14FromGitter<gogolxdong> I think providing a alternative Numpy library in Nim as the underlying library of tensorflow or torch is brilliant.
05:03:53FromGitter<gogolxdong> I am checking out your library.
05:06:01FromGitter<gogolxdong> and the performance matters too since array type in Nim is value type, you did a pioneer job.
05:08:03FromGitter<mratsim> I don’t recommend to use my lib in production though, but you can check it out for inspiration, I’ve put a lot of comments on performance/memory considerations
05:08:19FromGitter<mratsim> Andrea’s linalg works on Cuda also
05:08:58FromGitter<mratsim> we both use OpenBLAS/Intel MKL for float multiplication through nimblas
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05:12:17FromGitter<mratsim> got to go see you ater
05:12:32FromGitter<gogolxdong> see you later
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09:58:24FromGitter<martinium> when using getFNum() how do you specify number of decimal places?
10:08:40FromGitter<stisa> @martinium I don't think you can specify that directly, but maybe use https://nim-lang.org/docs/math.html#round,T,int or keep the precision and use https://nim-lang.org/docs/strutils.html#formatFloat,float,FloatFormatMode,range[],Char to format them when using `echo` ?
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14:45:33FromGitter<zetashift> @zacharycarter trying to run the hello world frag, getting the error: frag\src\frag\assets\asset.nim(21, 15) Error: cannot open 'sound/sound'
14:47:33FromGitter<zetashift> nvm fixed it really easily haha
14:47:52FromGitter<zetashift> now running into a : frag\src\frag\graphics\three_d\model.nim(5, 3) Error: cannot open 'assimp' error tho
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15:03:36dom96zetashift: nimble install assimp (maybe?)
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15:19:37FromGitter<zetashift> @dom96 Error: nim-assimp is an invalid package name: cannot contain '-'
15:19:41FromGitter<zetashift> :(
15:22:10FromGitter<zetashift> renaming the .babel file worked ahha
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15:53:19FromGitter<zetashift> Alright, everything is installed fine, now I'm getting this error but can't seem to fix it looking at the code in the graphics module: https://pastebin.com/D4ZAHHcs
15:53:31FromGitter<zetashift> (running the 00-helloworld example)
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16:07:47AraqwindowPosX, windowPosY: int32; # so these need to be converted to int32
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16:12:31ftsf\o/ got my opengl app working, loading models from obj and fps style camera and moving objects around, with deferred shading. all coming together =)
16:13:18FromGitter<zetashift> sweet thanks
16:13:21ftsfnow to try and add some shadow maps and SSAO
16:19:24Araqftsf: any chance you develop an RTS? :-)
16:19:30ftsfAraq, hmm not yet
16:19:38ftsfmaking a game about photographing cats =)
16:19:47ftsfi want to make an RTS at some point though
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16:28:29FromGitter<zetashift> bleh still can't get it the hello-world to work getting the same error
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18:17:15shmupcool ftsf
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18:20:15FromGitter<ephja> interesting. take all my money!
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23:17:06EthecoTrying to build the controllgallery2.nim from the ui, but I am getting "LNK1181: cannot open input file 'Usp10.lib'" this is on windows any idea? I am a total noob also sorry.
23:26:01AraqEtheco: try a different VS version or mingw please
23:26:40EthecoOkay thanks Araq will try them options.
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