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        "author": "Vincent Delecroix",
        "author_email": "vincent.delecroix@labri.fr",
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            "Development Status :: 3 - Alpha",
            "Intended Audience :: Science/Research",
            "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
            "Operating System :: Unix",
            "Programming Language :: C++",
            "Programming Language :: Python",
            "Programming Language :: Python :: 2",
            "Programming Language :: Python :: 2.7",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.4",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6"
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        "description": "PPL Python wrapper\n==================\n\nThis Python package provides a wrapper to the C++ `Parma Polyhedra Library\n(PPL) <http://bugseng.com/products/ppl/>`_.\n\nThe whole package started as a fork of a tiny part of the `Sage\n<http://sagemath.org>`_ software.\n\nHow it works\n------------\n\nThe names of objects and methods are the same as in the library:\n\n.. code:: python\n\n    >>> import ppl\n    >>> x = ppl.Variable(0)\n    >>> y = ppl.Variable(1)\n    >>> z = ppl.Variable(2)\n    >>> cs = ppl.Constraint_System()\n    >>> cs.insert(x >= 0)\n    >>> cs.insert(y >= 0)\n    >>> cs.insert(z >= 0)\n    >>> cs.insert(x + y + z == 1)\n    >>> poly = ppl.C_Polyhedron(cs)\n    >>> poly.minimized_generators()\n    Generator_System {point(1/1, 0/1, 0/1), point(0/1, 1/1, 0/1), point(0/1, 0/1, 1/1)}\n\nThe available objects and functions from the `ppl` Python module are:\n\n- `Variable`, `Variables_Set`, `Linear_Expression` (defined in `ppl.linear_algebra`)\n\n- `MIP_Problem` (defined in `ppl.mip_problem`)\n\n- `C_Polyhedron`, `NNC_Polyhedron` (defined in `ppl.polyhedron`)\n\n- `Generator`, `Generator_System`, `Poly_Gen_Relation`, `point`,\n  `closure_point`, `ray`, `line` (defined in `ppl.generator`)\n\n- `Constraint`, `Constraint_System`, `Poly_Con_Relation`,\n  `inequality`, `equation`, `strict_inequality` (defined in `ppl.constraint`)\n\nInstallation\n------------\n\nThe project is available at `Python Package Index <https://pypi.python.org/pypi/pplpy/>`_ and\ncan be installed with pip::\n\n    $ pip install pplpy\n\nNote that if you have gmp and ppl installed in a non standard directory (e.g. you use brew\non MacOSX) then you need to set appropriately the variables `CFLAGS` before calling `pip`. For\nexample::\n\n    $ export CFLAGS=\"-I/path/to/gmp/include/ -L/path/to/gmp/lib/ -I/path/to/ppl/include/ -L/path/to/ppl/lib $CFLAGS\"\n    $ pip install pplpy\n\nUsing from Cython\n-----------------\n\nAll Python classes from pplpy are extension types and can be used with Cython. Each\nextension type carries an attribute `thisptr` that holds a pointer to\nthe corresponding C++ object from ppl.\n\nA complete example is provided with the files `tests/testpplpy.pyx` and `tests/setup.py`.\n\nSource\n------\n\nYou can find the latest version of the source code on gitlab:\nhttps://gitlab.com/videlec/pplpy\n\nDocumentation\n-------------\n\nAn online version of the documentation is available at http://www.labri.fr/perso/vdelecro/pplpy/latest/\n\nCompiling the html documentation requires make and `sphinx <http://www.sphinx-doc.org/en/master/>`_.\nBefore building the documentation, you need to install the pplpy package (sphinx uses Python introspection).\nThe documentation source code is contained in the repository `docs` where there is a standard\nMakefile with a target `html`. Running `make html` in the `docs` repository builds the documentation\ninside `docs/build/html`. For more configuration options, run `make help`.\n\nLicense\n-------\n\npplpy is distributed under the terms of the GNU General Public License (GPL)\npublished by the Free Software Foundation; either version 3 of\nthe License, or (at your option) any later version. See http://www.gnu.org/licenses/.\n\nRequirements\n------------\n\n- `gmp <https://gmplib.org/>`_\n\n- `mpfr <http://www.mpfr.org/>`_\n\n- `mpc <http://www.multiprecision.org/index.php?prog=mpc>`_\n\n- `PPL <http://bugseng.com/products/ppl/>`_\n\n- `Cython <http://cython.org>`_\n\n- `cysignals <https://pypi.python.org/pypi/cysignals>`_\n\n- `gmpy2 <https://pypi.python.org/pypi/gmpy2>`_: version 2.1.0a4 from sources (see below)\n\nOn Debian/Ubuntu systems these can be installed with::\n\n    $ sudo apt-get install libgmp-dev libmpfr-dev libmpc-dev libppl-dev cython\n    $ pip install cysignals --user\n    $ pip install gmpy2==2.1.0a4 --user\n\nThe pip optional option `--user` allows to install python packages for a single\nuser with no need for administrator rights. The two pip install commands might\nbe replaced by `sudo pip install PKG` (not recommanded). On recent Debian/Ubuntu systems,\ncysignals is also available as a package under the name `python-cysignals` for\nPython 2 and `python3-cysignals` for Python 3.",
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