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| ## page was renamed from symbolics/pynac_start = Getting started with Pynac development = [[http://pynac.sagemath.org|Pynac]] is a C++ library for symbolic manipulation based on [[http://www.ginac.de|GiNaC]]. It can use arbitrary Python objects for numeric types. Since Pynac is closely tied to Sage, setting up a development environment and finding your way around initially can be troublesome. This is a short tutorial to provide help with the first steps. GiNaC has great documentation. It's a good idea to read the [[http://www.ginac.de/tutorial/|tutorial]] to get familiar with the library. The [[http://www.ginac.de/reference/|reference manual]] for GiNaC can also be useful to find your way around. In order to start working on the source code go to your `SAGE_ROOT` and run {{{ ./sage -f -m spkg/standard/pynac-*.spkg }}} This will install the latest version of Pynac that comes with Sage and leave the package files in the directory `spkg/build/pynac-<version>`. You will find the Pynac sources in `spkg/build/pynac-<version>/src`, most files you'll want to work on are in the subdirectory `ginac`. After you make changes to the Pynac files, in order to build your changes and install them so Sage will see them, get in a Sage shell with {{{ ./sage -sh }}} Go to the Pynac source directory {{{ cd spkg/build/pynac-*/src }}} and run {{{ make install }}} |
