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4 Installing and Loading the SmallCancellation Package

4.1 Compiling Binaries of the SmallCancellation Package

After unpacking the archive, go to the newly created smallcancellation directory and call ./configure to use the default ../.. path to the GAP home directory or ./configure path where path is the path to the GAP home directory, if the package is being installed in a non-default location. So for example if you install the package in the ~/.gap/pkg directory and the GAP home directory is ~/gap4r5 then you have to call

./configure ../../../gap4r5/

This will fetch the architecture type for which GAP has been compiled last and create a Makefile. Now simply call

make

to compile the binary and to install it in the appropriate place.

If GAP cannot find a working binary, some computations may take more time (specially for large presentations).

4.2 Loading the SmallCancellation Package

To use the SmallCancellation Package you have to request it explicitly. This is done by calling LoadPackage (Reference: LoadPackage):

gap> LoadPackage("smallcancellation");
----------------------------------------------------------------
Loading SmallCancellation 1.0.2
by Iván Sadofschi Costa (http://mate.dm.uba.ar/~isadofschi)
For help, type: ?SmallCancellation
----------------------------------------------------------------
true

The SmallCancellation requires the Grape Package (version >=4.7).

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