Permutation matrices research.

ci: Introduced `dash` and results dir.

+4 -2
+1
.gitignore
··· 1 1 build/* 2 2 .direnv/* 3 + results/*
+3 -2
flake.nix
··· 29 29 lcov 30 30 vcpkg 31 31 vcpkg-tool 32 - ccache 33 - llvmPackages_12.openmp 32 + ccache 33 + llvmPackages_12.openmp 34 + dash 34 35 ] ++ (if system == "aarch64-darwin" then [ ] else [ gdb ]); 35 36 }; 36 37 });