mlpack IRC logs, 2018-02-18

Logs for the day 2018-02-18 (starts at 0:00 UTC) are shown below.

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--- Log opened Sun Feb 18 00:00:17 2018
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09:28 < Atharva> I wrote a test for the range_search bindings but am having some trouble building it with make mlpack_test.
09:29 < Atharva> I added main_tests/range_search_test.cpp to cmakelists
09:34 < Atharva> In file included from /home/atharva/Documents/mlpack/src/mlpack/tests/main_tests/range_search_test.cpp:20:0: /home/atharva/Documents/mlpack/src/mlpack/methods/range_search/range_search_main.cpp:94:13: warning: ‘void mlpackMain()’ defined but not used [-Wunused-function] static void mlpackMain()
09:34 < Atharva> I also get this warning when building
09:35 < Atharva> CMakeFiles/mlpack_test.dir/range_search_test.cpp.o:/home/atharva/Documents/mlpack/src/mlpack/methods/range_search/rs_model_impl.hpp:410: first defined here collect2: error: ld returned 1 exit status src/mlpack/tests/CMakeFiles/mlpack_test.dir/build.make:3740: recipe for target 'bin/mlpack_test' failed make[3]: *** [bin/mlpack_test] Error 1 CMakeFiles/Makefile2:7341: recipe for target 'src/mlpack/tests/CMakeFiles/mlpack_test.dir/all'
09:35 < Atharva> I get this final error
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10:15 < Atharva> I think this issue is specific to range_search, because I made a sample knn_test for knn_main test with one blank test and it had no problems building
10:16 < Atharva> To specify, to test I removed all the contents of the test in the range_search_test and it didn't build
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14:20 < demonwolf> Everytime I run any of the mlpack programs it shows Segmentation fault(core dumped)
14:22 < demonwolf> even when trying to open the documentation it shows the same
14:23 < zoq> demonwolf: Is libmlpack.so in your library search path?
14:23 < zoq> export LD_LIBRARY_PATH="/usr/local/lib/:$LD_LIBRARY_PATH"
14:23 < zoq> you might have to change "/usr/local/lib/
14:25 < demonwolf> yep, I have alreasy included it in the library search path
14:27 < zoq> And is libmlpack.so in that path?
14:27 < demonwolf> yes
14:29 < zoq> and you get a segmentation fault if you run something like: mlpack_pca -h?
14:29 < demonwolf> yes
14:29 < demonwolf> even on mlpack_pca --help
14:31 < zoq> Have you previously installed mlpack?
14:31 < demonwolf> no this is for the first time
14:32 < zoq> how does LD_LIBRARY_PATH look like on your seystem?
14:32 < zoq> *system
14:33 < demonwolf> it
14:33 < demonwolf> it is as /usr/local/lib/
14:34 < zoq> Can you set it to the build directory?
14:37 < demonwolf> I cant find 'libmlpack.so' inside the build dir
14:39 < demonwolf> LD_LIBRARY_PATH=/usr/local/lib/libmlpack.so
14:39 < demonwolf> this entry exists in my environment variable list
14:39 < demonwolf> is it ok?
14:40 < zoq> ah, it should look like LD_LIBRARY_PATH=/usr/local/lib/
14:40 < zoq> without the library
14:40 < demonwolf> oh got it
14:42 < demonwolf> thanks a lot. And it starts working.
14:42 < zoq> Glad it worked :)
14:43 < demonwolf> I decided to work for mlpack on GSOC
14:43 < demonwolf> Can you provide a direction?
14:43 < zoq> mlpack.org/gsoc.html and www.mlpack.org/involved.html should be helpful.
14:44 < demonwolf> Thanks
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15:56 < daivik> Travis build fails for one job with "No output recieved in the last 10 minutes" (https://travis-ci.org/mlpack/mlpack/builds/343023366?utm_source=github_status&utm_medium=notification). This isn't an issue with my code is it?
15:57 < zoq> daivik: No this is a Travis issue.
15:59 < daivik> okay. thanks :)
16:07 < daivik> zoq: rcurtin: I was having some issues with mlpack and boost v 1.58 a while ago (ref logs of 7th and 8th Feb). Yesterday, I was talking with desai-aditya on IRC and he was also having the same problems as me. I have opened PR 1257 as a fix for those -- please could you take a look once you get a chance.
16:40 < zoq> daivik: Sure, we will take a look at the PR, also note we get a mail for every new PR.
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17:21 < ShikharJ> zoq: Is there a way of printing the arma::mat matrices on the terminal while running the tests?
17:23 < daivik> ShikharJ: just std::cout should work
17:24 < daivik> zoq: Thanks. I'm sorry for being a pest
17:26 < zoq> daivik: Nah, nothing to worry about.
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18:19 < nilkel> hi there, I got the error "[FATAL] Cannot open file 'dataset.csv'." when I tried to run the simple mlpack examples from the contributing page - http://www.mlpack.org/docs/mlpack-2.2.5/doxygen/sample.html
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19:35 < zoq> nilkel: You should use your own dataset file, for testing you could use https://raw.githubusercontent.com/mlpack/mlpack/master/src/mlpack/tests/data/iris.csv
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19:48 < nilkel> zoq: where is the csv file loaded from or where do I input the location?
19:49 < zoq> nilkel: data::Load("data.csv", data, true); the first parameter is the path and filename
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--- Log closed Mon Feb 19 00:00:19 2018