Flipper
=======
.. image:: https://img.shields.io/pypi/v/flipper.svg
:target: https://pypi.org/project/flipper/
:alt: PyPI version
.. image:: https://img.shields.io/pypi/l/flipper.svg
:target: https://pypi.org/project/flipper/
:alt: PyPI license
.. image:: https://img.shields.io/github/check-runs/MarkCBell/flipper/master
:target: https://github.com/MarkCBell/realalg/actions
:alt: Github build status
Flipper is a program for computing the action of mapping classes on laminations on punctured surfaces using ideal triangulation coordinates.
It can decide the Nielsen--Thurston type of a given mapping class and, for pseudo-Anosov mapping classes, construct a layered, veering triangulation of their mapping torus, as described by Agol.
Flipper officially supports Python 3.8 -- 3.12.
It also runs on `PyPy`_ and `Sage`_.
To get the best performance, ensure that `cypari`_ (>= 2.4.0) or `cypari2`_ is installed or run from it within Sage.
Quickstart
----------
Flipper is available on `PyPI`_, so it can be installed via::
$ pip install flipper --user --upgrade
Once installed, try it inside of Python::
>>> import flipper
>>> S = flipper.load('S_1_2')
>>> h = S('a.b.C')
>>> h.is_pseudo_anosov()
True
>>> print(h.dilatation())
2.296630262
External Links
--------------
* `PyPI`_
* `ReadTheDocs`_
* `GitHub`_
.. _GitHub: https://github.com/MarkCBell/flipper
.. _PyPI: https://pypi.org/project/flipper
.. _ReadTheDocs: http://flipper.readthedocs.io
.. _Sage: http://www.sagemath.org
.. _PyPy: https://pypy.org/
.. _cypari: https://pypi.org/project/cypari
.. _cypari2: https://pypi.org/project/cypari2
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"description": "\nFlipper\n=======\n\n.. image:: https://img.shields.io/pypi/v/flipper.svg\n :target: https://pypi.org/project/flipper/\n :alt: PyPI version\n\n.. image:: https://img.shields.io/pypi/l/flipper.svg\n :target: https://pypi.org/project/flipper/\n :alt: PyPI license\n\n.. image:: https://img.shields.io/github/check-runs/MarkCBell/flipper/master\n :target: https://github.com/MarkCBell/realalg/actions\n :alt: Github build status\n\nFlipper is a program for computing the action of mapping classes on laminations on punctured surfaces using ideal triangulation coordinates.\nIt can decide the Nielsen--Thurston type of a given mapping class and, for pseudo-Anosov mapping classes, construct a layered, veering triangulation of their mapping torus, as described by Agol.\n\nFlipper officially supports Python 3.8 -- 3.12.\nIt also runs on `PyPy`_ and `Sage`_.\nTo get the best performance, ensure that `cypari`_ (>= 2.4.0) or `cypari2`_ is installed or run from it within Sage.\n\nQuickstart\n----------\n\nFlipper is available on `PyPI`_, so it can be installed via::\n\n $ pip install flipper --user --upgrade\n\nOnce installed, try it inside of Python::\n\n >>> import flipper\n >>> S = flipper.load('S_1_2')\n >>> h = S('a.b.C')\n >>> h.is_pseudo_anosov()\n True\n >>> print(h.dilatation())\n 2.296630262\n\nExternal Links\n--------------\n\n* `PyPI`_\n* `ReadTheDocs`_\n* `GitHub`_\n\n.. _GitHub: https://github.com/MarkCBell/flipper\n.. _PyPI: https://pypi.org/project/flipper\n.. _ReadTheDocs: http://flipper.readthedocs.io\n.. _Sage: http://www.sagemath.org\n.. _PyPy: https://pypy.org/\n.. _cypari: https://pypi.org/project/cypari\n.. _cypari2: https://pypi.org/project/cypari2\n\n",
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