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3.10 Dynamic loading

In addition to the concept of libraries, it is also possible to dynamically extend the functionality by loading functions written in C/C++ or some other higher programming language. A collection of such functions is called a dynamic module and can be loaded by the command LIB or load. It is basically handled in the same way as a library: upon loading, a new package is created which holds the contents of the dynamic module, but in contrast to the case of a library, the name of the package is not derived from the filename, but is hardcoded in the dynamic module. In particular, general information about it can be displayed by the command help package_name. After loading the dynamic module, its functions can be used exactly like the built-in SINGULAR functions.

To have the full functionality of a built-in function, dynamic modules need to comply with certain requirements on their internal structure. As this would be beyond the scope of the Singular manual, a separate, more detailed guide on how to write and use dynamic modules can be found at http://www.singular.uni-kl.de/DynMod.ps.


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.