On Mar 5, 3:25 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > I can pack and unpack a float into a long > e.g. > struct.unpack('I',struct.pack('f',0.123))[0] > but then I'm not sure how to work with the resulting long. > > Any suggestions?
One alternative to using struct is to use math.ldexp and math.frexp: >>> m, e = frexp(pi) >>> m 0.78539816339744828 >>> e 2 >>> int(m*2**53) 7074237752028440L Then you can do your bit twiddling on int(m*2**53), before using ldexp to 'repack' the float. Mark -- http://mail.python.org/mailman/listinfo/python-list