Re: Bit manipulation

[Redryder <john.f.anderson@mindspring.com>]

Hey,
 I have another question concerning bit manipulation.
I need to swap the bits in a 32-bit word.  I used a
packed boolean array.  It works well enough, but
it does require looping over the array indices.  Is there
a better way to do this?
Oh, I've framed the task correctly!  This is in a serial
message that goes to a "legacy" system requiring that
the bits are swapped. I have more than 40 different
messages each having similar bit fields in the message.
Still, the bit fields are not the same width or position
from message to message.  There are a number of them
that change position and meaning.
I've been using Ada for a year or so now.  I was using
C/C++.  Personally, if you are looking for safe code,
I think Ada95 is a good answer.
John