Know any Fortran programmers who need a more interesting job?
paulkoning at comcast.net
Fri Oct 30 13:35:22 CDT 2015
> On Oct 30, 2015, at 2:16 PM, Noel Chiappa <jnc at mercury.lcs.mit.edu> wrote:
> Apparently nobody had ever told them that a number in memory is... just a
> number. At which point it became clear that they needed to know a little
> more about how a computer actually worked.
That reminds me of an exchange I had with a younger colleague who was writing a document describing how to do incremental TCP checksum update correctly. He was tripping over the issue of negative zero. I told him the answer simply was to subtract the complement with end around borrow. He didn't believe me and ended up proving it by exhaustively testing every case.
More information about the cctalk