On Mar 23, 5:44 pm, valpa <valpass...@gmail.com> wrote: > I have a python float 1.2345678. I know that it is stored as a double > in C type. And I know it actually is 1010101010101 -like format. Then > I want to do some bit operation on it. How? > > Sure, I want a float output when I finish the operation.
import struct pack it into a str [Python 2.X] using d format unpack it using Q format, gets you a 64-bit unsigned int do "some bit operation" using & | ^ ~ << >> operators pack it into a str using Q format unpack it into a float using d format What is "some bit operation"? Perhaps there is already a high-level way of doing some of what you want e.g. in the math module: frexp, ldexp, isnan, isinf, ... HTH John -- http://mail.python.org/mailman/listinfo/python-list
