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4 Installation

Sections

  1. Installing this package
  2. Getting and installing KASH
  3. Loading the Polenta package
  4. Running the test suite

4.1 Installing this package

The Polenta package is part of the standard distribution of GAP and so normally there should be no need to install it separately. If by any chance it is not part of your GAP distribution, then the standard method is to unpack the package into the pkg directory of your GAP distribution. This will create a polenta subdirectory. For other non-standard options please see Chapter Installing a GAP Package of the GAP Reference Manual.

Note that the GAP-Packages Alnuth and Polycyclic are needed for this package. Normally they should be contained in your distribution. If not, they can be obtained at

               www.gap-system.org/Packages/packages.html             

4.2 Getting and installing KASH

Note that the GAP package Alnuth whose functionality is used by the Polenta package requires the installation of KANT respectively KASH, the shell of the computational algebraic number theory system KANT. KASH itself is not part of Alnuth. It has to be obtained and installed independently.

KASH is available at

               www.math.tu-berlin.de/~kant/download.html
Note that you have to download two files for a complete installation of KASH. To install version 2.4 of KASH on a Linux system you should do the following:
1.
Download the files kash_2.4.common.tar.gz and kash_2.4.1.linux.tar.gz into the same directory on your system.

2.
Unpack the files using tar. This will create a directory KASH_2.4 containing, amongst other files, the KASH executable called kash. The place where KASH is put is independent of the place where the Alnuth or Polenta package is installed.

4.3 Loading the Polenta package

If the Polenta Package is not already loaded then you have to request it explicitly. This can be done by LoadPackage("polenta"). The LoadPackage command is described in Section LoadPackage in the GAP Reference Manual.

4.4 Running the test suite

Once the package is installed, it is possible to check the correct installation by running the test suite of the package.

    gap> ReadPackage( "Polenta", "tst/testall.g" );
For more details on Test Files see Section Test Files of the GAP Reference Manual.

If the test suite runs into an error, even though the packages Polycyclic and Alnuth and the computational algebraic number theory system KANT have been correctly installed, then please send a message to BjoernAssmann@gmx.net including the error message.

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Polenta manual
June 2007