* John Fouhy <[EMAIL PROTECTED]> [051208 16:55]: > On 09/12/05, Tim Johnson <[EMAIL PROTECTED]> wrote: > > Are there any python resources available that can make setting/unsetting > > bits directly? I used to do that in "C" with preprocessor macros that > > made calls like set_bit(vInteger,bit_position) > > and unset_bit(vInteger,bit_position). > > Well, you could write them yourself? OK
> [untested] > > def set_bit(i, n): > return i | (1 << n) > > def unset_bit(i, n): > return i & ~(1 << n) > > def test_bit(i, n): > return i & (1 << n) You just did most of the work for me! > Note that integers are immutable, so there's no way to change an existing int. That's what objects are for... > Also, if you're playing with stuff at that level, you might find the > struct module helpful. I believe it would. Thanks I will call the class Bitters .... cheers Tim (off to brew some Bitters) > -- > John. > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor -- Tim Johnson <[EMAIL PROTECTED]> http://www.alaska-internet-solutions.com _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
