Ff2d - V.2.21

Try more specific search queries on different platforms:

Special thanks to our external contributors for PR #204 (sparse matrix patterns) and PR #211 (CMake CUDA detection). ff2d v.2.21

If "ff2d" refers to something else—such as the 2D Fast Fourier Transform code used in physics simulations or a specific Arduino library —please clarify, and I will write a technical review on performance and optimization instead Try more specific search queries on different platforms:

Import or sketch your boundary boundaries and fixed anchor positions. ff2d v.2.21