Binary number manipulation
Tim Roberts
timr at probo.com
Wed Dec 3 01:27:06 EST 2003
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Wed Dec 3 01:27:06 EST 2003
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SBrunning at trisystems.co.uk wrote: > >> 2. If 1 is no, does that mean that I need to do all the manipulation in >> some icky string format and then go back? > >I use: > >((high << 16) | low) ...which, unfortunately, gives a FutureWarning in Python 2.3 if high happens to be larger than 32767. I think we're all going to be using a lot more of the struct module in the future. For example, this is the equivalent of what you posted: struct.unpack('>L',struct.pack('>2H',high,low))[0] I may have to start using things like: def MAKELONG(high,low): return struct.unpack('>L',struct.pack('>2H',high,low))[0] Is there a smarter way to do this kind of thing? This also works: ((high << 16L) | low) -- - Tim Roberts, timr at probo.com Providenza & Boekelheide, Inc.
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