qr_mumps.py

Cython/Python inferface to qr_mumps (A multithreaded multifrontal QR solver).

It supports all four types (single real, double real, single complex and double complex).

Dependencies

For the Python version:

Numpy

For the Cython version, include everything needed for the Python version and add:

Cython
cygenja

If you intend to generate the documentation:

Sphinx
sphinx_bootstrap_theme.

To run the tests:

pytest.

All previous dependencies may be installed using pip.

Optional dependencies

qr_mumps.py provides facilities for sparse matrices coming from the CySparse library. If you want to use these facilities, set the location of the CySparse library in your site.cfg file.

Installation

You need to install qr_mumps. Follow instructions on their website. If you are under OS X, a Homebrew formula is available. Follow the instructions to install Homebrew. Then, qr_mumps and its dependencies can be installed automatically in /usr/local by typing

brew tap homebrew/science

brew install qr_mumps
Clone this repo
Copy site.template.cfg to site.cfg and modify site.cfg to match your configuration
Install qr_mumps.py
- Python version
  
  python setup.py install
- Cython version
  
  python generate_code.py python setup.py build python setup.py install

Running tests

py.test tests

Running examples

TODO:

Add refine method
Add a Q-less derived class
Update examples
Update doc-strings
ensure all code is PEP8 and PEP257 compliant

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