IRC logs of #shogun for Friday, 2014-03-28

--- Log opened Fri Mar 28 00:00:57 2014
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grecocdhow do I free the memory of variables and SGMatrices in the destructor? I’ve tried SG_UNREF, SG_FREE and delete15:40
grecocdi get different errors evert time15:41
grecocdI also get this error when I use SG_ERROR: error: use of undeclared identifier 'io' SG_ERROR15:41
lisitsyngrecocd: sgmatrix is kind of automatic in that sense15:44
grecocdwhat about int32_t variables?15:44
grecocddoes anybody know why I get the error: use of undeclared identifier 'io' SG_ERROR when i se SG_ERROR, even though i have included SGIO.h?15:49
grecocduse*15:49
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lisitsyngrecocd: what's with int32_t?15:52
lisitsyngrecocd: try SG_SERROR15:53
lisitsynyou are probably out of any class so SG_SERROR is needed15:53
lisitsynwhen you are inside of a class you use SG_ERROR15:53
grecocdlisitsyn: is there a way i can free the memory of them or is that not needed?15:53
lisitsynfree single int32_t variable or what?15:53
grecocdalright, let me try it15:53
grecocdyes15:54
grecocdof a single int32_t variable15:54
lisitsynint32_t a;15:54
lisitsynlike that?15:54
grecocdyes15:54
lisitsynwhy to free them?15:54
lisitsynthey are not allocated on heap15:54
grecocdidk, i was asked how the memory was freed from my class, but you said that SGMatrices already do that, so thats the only other thing i can free15:55
lisitsynint32_t = int15:55
lisitsynso nothing special here15:55
grecocdalright, thanks!15:56
grecocdone more thing!15:56
grecocdwhy do i get this error: error: no viable overloaded '='15:56
lisitsyndepends what do you assign15:56
grecocdi have a SGMatrix<float64_t> that is going to receive the value of the return of nearest_neighbors()15:57
grecocdnearst_neighbors() returns a SGMatrix as well15:57
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lisitsyngrecocd: you can assign sgmatrix to sgmatrix so something else16:11
grecocdi can’t you mean?16:12
grecocdactually i just saw that nearest_neighbors() returns SGMatrix<index_t>16:19
lisitsynyeah that's ok16:20
grecocdits ok for to assign an SGMatrix<index_t> to a SGMatrix<float64_t>?16:21
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grecocdI have a SGMatrix<index_t> that I need to return, but I need to return an SGMatrix<float64_t>, how do I do that conversion?16:43
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sonne|workgrecocd: you have to create a new one and manually fill in the values17:07
grecocdalright thanks17:09
grecocdone more question. i made my class inherit from another class to have access to a protected method but im getting: error: no matching constructor for initialization of 'CKDE'17:09
grecocdi have made the constructor CKDE(): KNN() , whats wrong here?17:10
@wikinggrecocd: why woould you inherit KDE from KNN?17:10
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grecocdwiking: because I need to use the train_machine() method from KNN, and it is protected17:52
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@wikinggrecocd: no... that is actually inherited from CMachine...18:03
@wikinggrecocd: i really suggest you to first read about class hierarchy in the doxygen18:04
@wikinggrecocd: http://shogun-toolbox.org/doc/en/latest/classshogun_1_1CMachine.html18:04
@wikinggrecocd: and for the reference i'm really not saying that KDE should be inherited from CMachine... i'm just saying that KNN is for sure not the right inheritance...18:05
@wikingespecially if your only reason to do that is because train_machine...18:05
grecocdwiking: thanks, ill check up on that18:05
@wikinggrecocd: and this could be as well of help: http://www.cplusplus.com/reference/18:06
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shogun-notifier-shogun: lambday :develop * e4fad50 / / (6 files): https://github.com/shogun-toolbox/shogun/commit/e4fad502e6b47e229e93e873ce0819c58675478820:06
shogun-notifier-shogun: added unit test for null spectrum approximation in quadratic time mmd and a minor spell correction20:06
shogun-notifier-shogun: Heiko Strathmann :develop * 37c1804 / / (6 files): https://github.com/shogun-toolbox/shogun/commit/37c18049405463c38aa37670bea49991b2559f1e20:06
shogun-notifier-shogun: Merge pull request #2087 from lambday/develop20:06
shogun-notifier-shogun:20:06
shogun-notifier-shogun: added unit test for null spectrum approximation in quadratic time mmd and a minor spell correction20:06
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@HeikoSwiking: yo20:24
@HeikoSknow whats wrong with travis?20:24
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@sonney2kHeikoS, around?22:07
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@sonney2kHeikoS, do we have mentors assigned for all tasks we want to accept?22:07
@sonney2kHeikoS, and what is our slot estimate?22:07
@HeikoSsonney2k: hey!22:12
@HeikoSnice to see you!22:12
@HeikoShow are things?22:12
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--- Log closed Sat Mar 29 00:00:58 2014

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