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Primecount Cython interface

This is a Cython interface to the C++ library primecount.

We have split out primecount SageMath spkg with its Cython interface.

Quick installation and testing:

  1. Install primecount C++ library
cd /tmp/
git clone https://github.com/kimwalisch/primecount
cd primecount
cmake . -DBUILD_SHARED_LIBS=ON
make -j
sudo make install
sudo ldconfig # linux only
  1. in this repo, do
python3 setup.py install --user

python3 and

>>> import primecountpy as primecount
>>> primecount.prime_pi(1000)

More details on installation without root (sudo) access, and testing with pytest, may be found in the manual.

License

Distributed under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.