Integral equation solver for the Poisson equation in the plane.

The following has been verified on: 1, Fedora Linux 37 (Workstation Edition) x86_64 2, Ubuntu 20.04.6 LTS x86_64

Install:

1, Download the 2d boxcode for an 8th order volume fmm: https://github.com/mrachh/boxcode2d-legacy 2, Follow the install instructions for the boxcode 3, Run make install from p2d/src/fortan 4, Launch the Julia REPL in p2d/ 5, In the Julia REPL, activate the project through entering ']' followed by 'instantiate'

Run the code:

1, Launch the Julia REPL 2, In the Julia REPL, write ']' followed by 'activate .' 3, In the Julia REPL, write 'include("startup.jl")' 4, Now run any of the examples in examples/