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Python/Cython wrapper for liblbfgs

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Opening a completely fresh directory and trying to install `pylbfgs` fails. ``` $ python3 -m venv env --prompt proj@testing $ source env/bin/activate (proj@testing) $ python --version Python 3.11.3 (proj@testing) $...

Hello I am using windows 8 with anaconda python. I am unable to install pylbfgs module, when i used this conda **install -c fgregg pylbfgs** gives the following error ![pylbfgs](https://user-images.githubusercontent.com/40238813/41354833-9ccf5750-6f3d-11e8-865b-b7bc4ca36643.JPG)

Hello, I am able to run the LBFGS though I would like to know how to run the OWL-QN. Can't seem to understand how. Thanks in advance!

I'm trying to minimize the L1 norm of **x** for the system **Ax==b** using the OWL-QN algorithm. However, it's not clear to me from the documentations of libLBFGS and pyLBFGS...

Building using `python setup.py build_ext -i` failed with the following errors. > running build_ext > skipping 'lbfgs/_lowlevel.c' Cython extension (up-to-date) > building 'lbfgs._lowlevel' extension > x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv...

Exceptions occurring in the evaluation or progress reporting callbacks currently cause a print to `stderr` and an `LBFGSError` because the wrong value is returned from the callback: ``` Exception UnboundLocalError:...