Package check result: WARNING

Check: whether package can be installed, Result: WARNING
  Found the following significant warnings:
    algebra.cpp:12:9: warning: ISO C++ does not support ‘__int128’ for ‘A’ [-Wpedantic]
    algebra.cpp:12:9: warning: ISO C++ does not support ‘__int128’ for ‘B’ [-Wpedantic]
  See ‘/home/hornik/tmp/CRAN_special_gcc-san/fasttreeid.Rcheck/00install.out’ for details.
  Used C++ compiler: ‘g++-14 (Debian 14.3.0-10) 14.3.0’