setw, width

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  • Marc Schellens
    #1

    setw, width

    Is there an defined standard behaviour if I set in
    an iostream the field width to zero or to an negative value?
    (ie. using the natural with of the output object or similar)
    thanks,
    marc

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    • Attila Feher
      #2
      Re: setw, width

      Marc Schellens wrote:[color=blue]
      > Is there an defined standard behaviour if I set in
      > an iostream the field width to zero or to an negative value?
      > (ie. using the natural with of the output object or similar)[/color]

      Zero seems to be the "natural width" in the standard. About negative
      values... only a comment says that negative values are only used (for the
      type streamwidth) in one case, and that is not width (or precision). I did
      not read every page (it is huge) but it seems that all the standard says is
      that width sets the minimum width. IMHO this means that negative numbers
      should behave the same as 0, but I might be wrong.

      --
      Attila aka WW


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