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boostorg/gil

Discuss Boost.GIL (Generic Image Library) | New channel #boost-gil at https://cpplang.slack.com | Go to https://cppalliance.org/slack/

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Mateusz Łoskot

@mloskot

It does not guarantee a prompt fix, but will at least save all the details (ideally with MWE to useful to reproduce) in the public archive making it accessible for anyone who can deal with it now or in future. Gitter room is volatile. The Slack channel is better (has searchable archive), still not the best place for detailed bug reports

Tony Reix

@trex58

Thanks. I'll open the bug report very soon. Do not hesitate to ask for more data if needed. I'm not a C++ expert at all, and this code is very complex for me.

boostorg/gil#431

Mateusz Łoskot

@mloskot

Thanks. I will post any questions as comments to the issue

@trex58 I've taken liberty to add Markdown markup to clearly format code blocks

Assertion failed: v1 == 6, file ../libs/gil/test/pixel_iterator.cpp, line 137

I'm actually glad to see this :-) It means the efforts adding new tests are worthy!

Not long time ago we only had the smoke ones https://github.com/boostorg/gil/tree/develop/test/legacy

@trex58 Okey, I'll try to look into that over the weekend

Nedjima Belgacem

@NEDJIMAbelgacem

Hello everyone
I am Nedjima Belgacem. A student at ESi-Algiers (Algeria). I'm interested in working on Boost.GIL project during this year's Google Summer of Code. I have decent C++ knowledge and worked on hobby graphics projects before (mainly opengl). I will start getting familiar with Boost code base, so I'll be posting questions concerning Boost libraries and GSoC program also. I hope I make good contributions to the community :)

Mateusz Łoskot

@mloskot

@NEDJIMAbelgacem FYI, we've recently opened Slack channel (I prefer that one) https://github.com/boostorg/gil/blob/develop/README.md#community

@NEDJIMAbelgacem I'd suggest you to check answers to GSoC questions other student have been posting to Boost dev mailing list during last 2-3 months (2019/12, 2020/01, 2020/02) - https://lists.boost.org/Archives/boost/

There re also some posts on the GIL lists https://lists.boost.org/boost-gil/

In those answers, you will find lots of pointers and links, what to read, what to think about, how to get started, etc.

Mateusz Łoskot

@mloskot

@NEDJIMAbelgacem Regardung readung the list archives, I mean any GSoC related posts, not just those about GIL . Whatever applies to Boost GSoC, it applies to Boost.GIL GSoC too :)

Nedjima Belgacem

@NEDJIMAbelgacem

@mloskot Thank your for your reply
Sorry for my ignorance, I'm not experienced with Slack, It seems like I have to get an invite to access the channels. Am I wrong somewhere ?

Mateusz Łoskot

@mloskot

If you aim to participate in Boost development, the only obligatory communication channel is the Boost mailing list

You don't have to use any of Gitter, Slack

For GIL specifically, I'd suggest to use the dedicated boost-gil list

Yes, for Slack you need an invite. Do you see the topic line of this room? There should be links

I should have stick one in the README.md
Pull requests are welcome :-)

https://cppalliance.org/slack/

Nedjima Belgacem

@NEDJIMAbelgacem

Alright thank you I'm invited now

ashishvishal78

@ashishvishal78

hi everyone
I am Ashish Vishal, a student of IIT(BHU).
I am interested in image processing so I want to contribute to BOOST.GIL
project in GSoC 20. I am having a decent knowledge of C++ and image processing.
Below is the link of my codeforces, CodeChef and hackerrank handle on which I have submitted some solutions in c++.
codeforces: https://codeforces.com/profile/ashishvishal78
CodeChef: https://www.codechef.com/users/ashishvishal78
hackerrank: https://www.hackerrank.com/ashishvishal7810

I have recently done a project on image processing in the technical fest (Technex) of IIT(BHU) and was the first runnerup of the event. The project code is uploaded on my Github profile.
Below is the link of my GitHub repo
Github: https://github.com/ashishvishal78/pixelete-2020

Pranam Lashkari

@lpranam

Hello, @ashishvishal78 we have got new GIL channel on slack which would be a more appropriate place for any discussion now onwards as we are slowly shifting there from gitter for GIL channel

ashishvishal78

@ashishvishal78

thanks for inviting me

Mateusz Łoskot

@mloskot

FYI, on cpplang.slack.com, apart from #boost and #boost-gil channels, there is also Boost-wide Google Summer of Code channel. Feel free to join #boost-gsos
You can join cpplang.slack.com via https://cppalliance.org/slack/

Manav-Kumar

@Manav-Kumar

Hello Everyone, i have recently joined this channel, I wanted to participate in GSOC by contributing in this project. I had a descent ides on Image Processing, C++ and wanted to actively contribute in this open source community.

Manav-Kumar

@Manav-Kumar

Can somebody guide me on it.

Mateusz Łoskot

@mloskot

@Chinmay-Manas First things first https://lists.boost.org/Archives/boost/2020/02/248236.php then Boost wiki on GSoC, then GIL README and links there

If you have specific questions, post to Boost (or boost-gil) mailing list

See the README or topic of this room for link to slack channels

Manav-Kumar

@Manav-Kumar

@mloskot, Can you please send me invite link for slack group.

Mateusz Łoskot

@mloskot

@Manav-Kumar https://cppalliance.org/slack/

Bhavuk kalra

@bhavukkalra

Hello everyone,

can i get an invite to boost.GIL channel.

Mateusz Łoskot

@mloskot

https://cppalliance.org/slack/

Shubham

@shubham9008

@mloskot can you please send me an invite link for slack group ..

Pranam Lashkari

@lpranam

The link is literally just above your message

Shubham

@shubham9008

O..sorry

Nikita Kniazev

@Kojoley

@mloskot Seen your message on mail list. I assume you have run the test under ASan and UBSan with the latest Clang. I had observed a codgen regression in VS2017 that took me a while to investigate https://developercommunity.visualstudio.com/content/problem/342397/x64-optimization-codgen-bug-in-latest-compiler-ver.html and while it is seems to be fixed in VS2019 it is still not in VS2017. I may suggest to find an older build of VS2017 (<=15.7.5) and see if the bug reproduces there.

Pranam Lashkari

@lpranam

I would suggest you to join the slack channel @Kojoley

And continue conversation there...

Nikita Kniazev

@Kojoley

@lpranam I do not have slack and do not want to use it

Mateusz Łoskot

@mloskot

I do not have slack and do not want to use it

@Kojoley I understand not everyone is keen in using Slack. I moved there as all other Boost'ers hang out there, it is properly archived, convenient. I don't force anyone to move along, I just may not hang out on Gitter as often myself.

@Kojoley I dUBSan builds (undefined, integer, nullability) on Linux, they pass, but I admit I did not checked their detailed output yet. Thaks for the pointers, I will follow those leads