boostorg/ublas

Cem Bassoy

@bassoy

Dear uBlas community,
I am happy to announce that our GSoC students have successfully passed GSoC.
Both had an impactful contribution and showed great efforts to finalize their projects.
Congrats @exclowd and @shikharvashistha!
If you are interested in their projects, this is their wiki with project description.

amitsingh19975

@amitsingh19975

@bassoy, I've created a new branch "fix/extents" to fix the existing problem with the ambiguous extents. My approach would be making the extents to be at least of 2nd order. Therefore, we can discern between static tensor and static rank tensor.

auto e0 = extents<1>{}; // [static rank extents] invalid because of 1st order static rank extents
auto e1 = extents<1,2>{}; // [static extents] valid because of 2st order static extents
auto e2 = extents<2>{}; // [static rank extents] valid because of 2st order static rank extents
auto e3 = extents<>{4}; // [dynamic extents] invalid because of 1st order dynamic extents
auto e4 = extents<>{4,4}; // [dynamic extents] valid because of 2st order dynamic extents

Order(Static Extents|Dynamic Extents) > 1 and Order(Static Rank Extents) == 1. Therefore, there is no ambiguity.

amitsingh19975

@amitsingh19975

@bassoy, there's one problem here, and I don't know which solution is better.

should we put an invariant on static rank extents where the minimum order should be greater than one and lose the ability to alias the tensor into vector.
should we make an exception for static rank extents and keep the aliasing ability.

There's one downside of alias on clang right now: they haven't implemented the type deduction for alias type. This makes it impossible to deduce the template types from the constructor.

Neel-Shah-29

@Neel-Shah-29

Hello I am Neel Shah an undergraduate student at VJTI computer engg and wants to contribute in ublas.Dear mentor I have open a pull request for the issue 129 kindly review it

Harjot Singh

@Harjot20022001

Hi everyone! I need some help. I also posted this here https://github.com/boostorg/ublas/discussions/148 but nobody gave a reply and it's been quite a while since I posted it there.
I tried to use the example given in https://github.com/boostorg/ublas#simple-example and I'm getting bugs on my system. The keywords 'index','tenson_dynamics' and 'ones' are unrecognized. Is it a bug or anything else?

amitsingh19975

@amitsingh19975

Hi @Harjot20022001, I think you are either messing up namespace or unable to include tensor header file.

amitsingh19975

@amitsingh19975

Maybe you're using master branch of ublas. This feature is in develop branch right now.

10 replies

Cem Bassoy

@bassoy

@amitsingh19975 could you move your discussion into the discussions page, so we can discuss your design approach. thanks.

Cem Bassoy

@bassoy

@Neel-Shah-29 thanks for contributing. we will have a look at it. please better formulate your pull request comment https://github.com/boostorg/ublas/pull/151#issue-1105064528
@amitsingh19975 thanks for pointing this out. boostorg/ublas#150

amitsingh19975

@amitsingh19975

Hi @bassoy, and welcome back. I will do it by tomorrow.

Neel-Shah-29

@Neel-Shah-29

@bassoy and @amitsingh19975 i tried to contribute on that boostorg/ublas#150 . Please have a look at it. Also i am interested in contributing in other good first issues if there are any . So please suggest some issue on which currently efforts are not going on.Thanks a lot and looking forward to contribute in ublas in future as well.

amitsingh19975

@amitsingh19975

@bassoy, I have created the discussion for the issue of the extent.

amitsingh19975

@amitsingh19975

@Neel-Shah-29, please look at the pull request, and provide the trailing return type to each lambda, even if it returns nothing with void. Please, run the test on the local machine before pushing.

14 replies

Harjot Singh

@Harjot20022001

Maybe you're using master branch of ublas. This feature is in develop branch right now.

Sir, how to use the develop branch?

yashdabhade1

@yashdabhade1

hello , i am using boost ublas as a part of my code.

but since yesterday i am unable to open its documentation online

do we have an alternative for the boost website?

Cem Bassoy

@bassoy

@shikharvashistha could you assist @yashdabhade1 ?

Maybe you're using master branch of ublas. This feature is in develop branch right now.

Sir, how to use the develop branch?

https://github.com/boostorg/ublas/wiki/Guidelines-for-Contributors

Shikhar Vashistha

@shikharvashistha

@yashdabhade1 please find attached the link of our updated documentation http://boostorg.github.io/ublas/

yashdabhade1

@yashdabhade1

thank you :-)

Neel-Shah-29

@Neel-Shah-29

Hello i have cloned the repo in "boost/lib/numeric" in ublas folder as advised but when i am running the build command of b2 driver program for Boost.Build engine i am getting the following error what can be a solution to it.

amitsingh19975

@amitsingh19975

@Neel-Shah-29, did you read the message clearly? it's asking for a toolset (GCC, clang, or any other), which it is unable to find.

Neel-Shah-29

@Neel-Shah-29

yes i have installed g++ , clang++ 10,clang++ 11 before running that command

Cem Bassoy

@bassoy

did you go through https://github.com/boostorg/ublas/wiki/Guidelines-for-Contributors ?

4 replies

amitsingh19975

@amitsingh19975

maybe you are missing b2 config file or maybe you skipped it. If you have it, then read the b2 reference on how to provide a toolset.

8 replies

amitsingh19975

@amitsingh19975

Check if ~/user-config.jam exists or not. If not use the following command on the terminal.

echo "using gcc: : g++ ;" >> ~/user-config.jam;

Neel-Shah-29

@Neel-Shah-29

yes it was not existing so i ran the above command in terminal

now if i run ~/user-config.jam it shows permission denied.

amitsingh19975

@amitsingh19975

I think I told you that your home directory requires root permission.

This is common Linux knowledge.

Neel-Shah-29

@Neel-Shah-29

yes yes i gave the root permission

amitsingh19975

@amitsingh19975

Share the screen shot.

Neel-Shah-29

@Neel-Shah-29

is there any specific command whose screenshot you require? Kindly tell which command output screenshot should i share

amitsingh19975

@amitsingh19975

Leave it, I misconstrued your reply.

Neel-Shah-29

@Neel-Shah-29

Neel-Shah-29

@Neel-Shah-29

This much procedure i have followed now for running tests i need to follow https://github.com/boostorg/ublas/blob/develop/.github/workflows/linux.yml this right?

5 replies

amitsingh19975

@amitsingh19975

This is my user-config.jam.

using clang : : clang++ : <cxxflags>"-std=c++20" <linkflags>"" <link>"-lboost_unit_test_framework" ;

I think you need to check your binary see the name of the GCC binary there, and then put it in here, or check the b2 document on how to set gcc toolset.

Neel-Shah-29

@Neel-Shah-29

This is my user-config.jam should i replace the content here to what you sent?

amitsingh19975

@amitsingh19975

what's the version of your gcc?

Neel-Shah-29

@Neel-Shah-29

gcc --version
gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0

amitsingh19975

@amitsingh19975

find the GCC binary name in the Linux binary folder, and try to replace it, something like this gcc-9: : g++-9.

check if it works.

also add <cxxflags>"-std=c++20" <linkflags>"" <link>"-lboost_unit_test_framework".

Neel-Shah-29

@Neel-Shah-29

1 reply

i need to replace gcc in bin folder by gcc-9: : g++-9 right?

Where communities thrive

People

Repo info

Activity