lkml.org 
[lkml]   [2001]   [Sep]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: Advice on Unsigned Types
    Date
    Followup to:  <3B8EF269.BF457C7F@home.com>
    By author: John Kacur <jkacur@home.com>
    In newsgroup: linux.dev.kernel
    >
    > The advice the author give on Unsigned Types is:
    > "Avoid unnecessary complexity by minimizing your use of unsigned types.
    > Specifically, don't use an unsigned type to represent a quantity just
    > because it will never be negative (e.g."age" or "national debt").
    > Use a signed type like int and you won't have to worry about boundary
    > cases in the detailed rules for promoting mixed types.
    > Only use unsigned types for bitfields or binary masks. Use casts in
    > expressions, to make all the operands signed or unsigned, so the
    > compiler does not have to choose the result type."
    >

    So the author isn't talking about developing operating systems. In
    operating systems it's almost the other way around -- signed is really
    the exception.

    -hpa
    --
    <hpa@transmeta.com> at work, <hpa@zytor.com> in private!
    "Unix gives you enough rope to shoot yourself in the foot."
    http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 13:02    [W:0.024 / U:120.240 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site