• Damien George's avatar
    lib: Add lib and libm, moving current files from stmhal. · 8707ea34
    Damien George authored
    Top-level lib directory is for standard C libraries that we want to
    provide our own versions of (for efficiency and stand-alone reasons).
    It currently has libm in it for math functions.
    Also add atanf and atan2f, which addresses issue #837.