openSUSE:Leap:15.2 openSUSE Leap 15.2 openSUSE Leap borrows packages from SLE for the base system. Please refer to https://osrt.opensuse.org/web/origin-manager/#openSUSE:Leap:15.2 for origin information https://download.opensuse.org/distribution/leap/15.2/repo/oss/ ginac C++ library for symbolic calculations GiNaC (which stands for "GiNaC is Not a CAS (Computer Algebra System)") is an open framework for symbolic computation within the C++ programming language.