ikegami wrote:

With two's complement, flipping the "sign" bit will have the effect of subtracting the max negative value (if 1) or adding the max negative value (if 0).

Yep. I'm looking for a specific effect and when I expanded the test data to 32-bit integers I saw my error right away.

It's painfully obvious I haven't done bit-head work in awhile, and it's also painfully obvious that I've been working in PowerShell too much and not enough Perl for far too long.

I hate to say it, but it's also becoming painfully obvious that my mental faculties are slowing down. Getting old sucks. :-)

I appreciate the help, though. Thank you.


In reply to Re^3: Flipping the Sign Bit in pack()'ed Value by marinersk
in thread Flipping the Sign Bit in pack()'ed Value by marinersk

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.