A simple particle code that came to life while studying the dynamics of dark matter clumps. However it can be used to study various other objects such the planets in the solar system.
To compile the code, cd into the directory and type
make dydamaPrerequisite is the GNU compiler gcc-6. Make according adjustments to the Makefile if you want to use another compiler.
Another requirement is the c-library <SDL2/SDL.h>, for real-time graphics.
If the code crashes and gives a bus error: 10, the non-main pthread stack size might be too small.
MacOS is particularly prone to this problem. Luckily, it is easily bypassed by adding
export GOMP_STACKSIZE=16384or something equivalent for non-GNU compilers to your .bash_profile, .bashrc, or some equivalent dotfile.