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  • Installing_Vevacious

Last edited by Martin Gabelmann Jun 28, 2019
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Installing_Vevacious

Installing Vevacious

To fully evaluate a parameter point with Vevaciousand the connected tools, you need a Linux or MacOS system with …

  • …a C++compiler such as gcc
  • …the Pythonenvironment, at least version 2.7.1
  • …the python-dev headers (Python.h ) for gcc or the equivalent – this is important! (MacPorts for OSX automatically installs Python.h as part of the installation of Python 2.7)

If you want to create new input files using SARAH, you need at least Mathematica 7. To compile SPheno to create the numerical input for Vevacious, a Fortrancompiler such as gfortran or ifort is needed. Vevaciousmakes use of several public tools. We give here only a brief introduction to the installation of these tools but refer to the corresponding references and authors for more information.

We assume in this descrption that all codes are downloaded and extracted in the same directory. The placeholder for the path to this directoy is called $VPATH in the following.

  1. HOM4PS2
    1. Download HOM4PS2from http://www.math.nsysu.edu.tw/~leetsung/works/HOM4PS_soft_files/HOM4PS_Linux.htm

    2. Extract the tar-file > tar -xf HOM4PS2_64-bit.tar.gz

      which should create $VPATH/HOM4PS2/.

    3. No compilation is necessary but now would be a good point to check that HOM4PS2works with one of its examples.

  2. MINUITand PyMinuitDetailed instructions about the installation and compilation of PyMinuitand MINUITare given at https://code.google.com/p/pyminuit/wiki/HowToInstall We summarize only briefly the main steps
    1. Download MINUITfrom http://code.google.com/p/pyminuit/. Choose Minuit-1_7_9-patch1.tar.gz.

    2. Extract the tarball > tar -xf Minuit-1_7_9-patch1.tar.gz

      which should create $VPATH/Minuit-1_7_9/.

    3. Configure and compile MINUIT > cd Minuit-1_7_9 > ./configure --prefix=$VPATH/Min/ > make > make install

      which should create $VPATH/Min/.

    4. Download pyminuit-1.2.1.tar.gz or a more recent version from http://code.google.com/p/pyminuit/

    5. Extract PyMinuit > tar -xf pyminuit-1.2.1.tar.gz

      which should create $VPATH/pyminuit/.

    6. Run the setup of PyMinuitstating the location of MINUIT where`` ``the .o files`` ``are, so $VPATH/Minuit-1_7_9/ rather than $VPATH/Min/ > cd pyminuit-1.2.1 > python setup.py install --home=$VPATH/pym/ --with-minuit=$VPATH/Minuit-1_7_9/

      which should create $VPATH/pym/ (with the second command broken over two lines to fit on the page).

  3. Make sure that you have properly exported PYTHONPATH (which should include the path to minuit.so, in $VPATH/pym/lib/python/ in our example) and LD_LIBRARY_PATH (which should include the path to liblcg_Minuit.a, in $VPATH/Min/lib/ in our example). Now would be a good time to check that PyMinuitworks by running the following test program >>> import minuit >>> def f( x, y ): return ( ( x2 + y2 )2 - 0.5 * x2 ) >>> m = minuit.Minuit( f ) >>> m.values = { 'x': 0.1, 'y': 0.2 } >>> m.migrad() >>> m.values, m.fval

Note, the support of PyMinuyt has stopped: One can use alternatively IMinuit. The instructions for IMinuit are available at https://pypi.python.org/pypi/iminuit, and is a much easier install than that for PyMinuit.

`CosmoTransitions`
  1. Ensure that the Python packages Numpy and SciPy are installed (if not, please use your favorite Internet search engine to find out how to install them on your system)

  2. Download CosmoTransitions_package_v1.0.2.zip or a more recent version from http://chasm.uchicago.edu/cosmotransitions

  3. unzip the archive > unzip CosmoTransitions_package_v1.0.2.zip

    which should create $VPATH/CosmoTransitions_package_v1.0.2/

`LHPC`
  1. Download LHPCfrom http://www.hepforge.org/downloads/lhpc/

  2. Extract the files from the compressed tarball (change the version number appropriately) > tar -xf LHPC-0.8.5.tar.gz

  3. Enter the LHPCdirectory and compile it > cd LHPC-0.8.5 > make

`Vevacious`
  1. Download the most recent version from http://www.hepforge.org/downloads/vevacious/

  2. Extract the files from the compressed tarball and compile Vevaciousstating the path to LHPC > tar -xf Vevacious-1.0.7.tar.gz > cd Vevacious-1.0.7 > make LHPCDIR=$VPATH/LHPC-0.8.5/

    Now would be a good time to check that Vevaciousworks. Edit $VPATH/Vevacious-1.0.7/bin/VevaciousInitialization.xml to correctly set all the paths, then run

      > ./bin/Vevacious.exe --input=./bin/VevaciousInitialization.xml

    which should produce the result file with the name given in the initialization file.

For example, in Debian -based Linux distribution one can ensure that the paths are properly set by adding the following to .bashrc :

   export PYTHONPATH=$VPATH/pym/lib/python/:$PYTHONPATH
   export PYTHONPATH=$VPATH/CosmoTransitions_package_v1.0.2/cosmoTransitions/:$PYTHONPATH
   export LD_LIBRARY_PATH=$VPATH/Min/lib/:$LD_LIBRARY_PATH
To get the input for a point, you can use a spectrum generator based on SPheno based on the corresponding Vevacious output of SARAH

See also

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