|PyPI|_ |DOI|_
.. |PyPI| image:: https://img.shields.io/pypi/v/emantis
.. _PyPI: https://pypi.org/project/emantis/
.. |DOI| image:: https://zenodo.org/badge/DOI/10.5281/zenodo.7738362.svg
.. _DOI: https://doi.org/10.5281/zenodo.7738362
e-MANTIS: Emulator for Multiple observable ANalysis in extended cosmological TheorIeS
=====================================================================================
.. contents:: Table of Contents
:local:
Description
-----------
e-MANTIS is an emulator for the study of the non-linear large-scale structure formation in the context
of alternative dark energy and gravity theories.
It uses Gaussian Processes to perform a fast and accurate interpolation between the outputs of
high resolution cosmological N-body simulations.
Currently, e-MANTIS is able to provide theoretical predictions for the following quantities:
* Matter power spectrum boost in f(R) gravity, described in `The e-MANTIS emulator: fast predictions of the non-linear matter power spectrum in f(R)CDM cosmology <https://arxiv.org/abs/2303.08899>`_.
* Halo mass function in f(R)CDM and wCDM cosmologies, described in COMING SOON.
Please cite the corresponding papers if you use e-MANTIS in your work.
More observables and cosmological models will be added in the future. Stay tuned!
Installation
------------
You can install the emulator from `PyPI <https://pypi.org/project/emantis/>`_ via pip::
pip install emantis
Or you can directly clone the emulator from our public `repository <https://gitlab.obspm.fr/e-mantis/e-mantis>`_ and install it from source::
git clone https://gitlab.obspm.fr/e-mantis/e-mantis.git
cd e-mantis
pip install [-e] .
The emulator only works with python >= 3.9. The main dependencies are:
* h5py (tested with version >= 3.8)
* scikit-learn (tested with version >= 1.0)
* numpy (tested with version >= 1.26)
* pydantic (tested with version >= 2.6)
* joblib (tested with version >= 1.3.2)
* tomli (tested with version >= 2.0, required only for python < 3.11)
All the dependencies should be installed automatically by pip.
Documentation and usage
-----------------------
The up-to-date documentation for this project (with code examples and a detailed API) is available `here <https://e-mantis.pages.obspm.fr/e-mantis/index.html>`_.
Licence
-------
Copyright (C) 2023 Iñigo Sáez-Casares - Université Paris Cité
inigo.saez-casares@obspm.fr
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see https://www.gnu.org/licenses/.
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