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Numerical routines to calculate cosmology and weak-lensing quantities.

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nicaea Build Status Documentation Statusascl:2302.001

Numerical routines to calculate cosmology and weak-lensing quantities.

NumerIcal Cosmology And lEnsing cAlculations

Documentation: http://nicaea.readthedocs.io

Web page: http://cosmostat.org/nicaea

Information

Authors:

  • Martin Kilbinger

  • Karim Benabed

  • Jean Coupon (HOD, halomodel)

  • Henry J. McCracken (HOD)

Contributors:

  • Liping Fu (decomp_eb)

  • Catherine Heymans (intrinsic alignment)

  • Francois Lanusse (github, python support)

  • Shiming Gu (massive neutrinos)

Version

2.7.4

Download, compile, and run nicaea

Download the code

Clone the code from the github repository,

git clone https://github.com/CosmoStat/nicaea

A new directory nicaea is created automatically. Create a build directory, and configure the code as follows. You can specify the installation path with the option to cmake -DCMAKE_INSTALL_PREFIX=<PATH>.

cd nicaea
mkdir build
cd build
cmake .. -DCMAKE_INSTALL_PREFIX=<PATH>

On success, compile install the code:

make
[sudo] make install

The last command will copy the executable demo programs (e.g. lensingdemo) to PATH/bin, the library libnicaea.a to PATH/lib, and the include files to PATH/include/nicaea . If you did not specify the option -DCMAKE_INSTALL_PREFIX=PATH above, the default location is used, in which case you might need to prepend sudo to the make command, to get write access to the system-wide installation directory.

If the necessary libraries are found on the system, the python module pynicaea is also installed.

The code can be tested with::

ctest -vv

To run the demo programs, go to nicaea_2.7/par_files.

Reference

To reference nicaea, please use Kilbinger, Benabed et al. (2009), A&A, 497, 677 (https://arxiv.org/abs/0810.5129), in which something that resembles the first version of nicaea has been used.

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Numerical routines to calculate cosmology and weak-lensing quantities.

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