[Tutor] how to read one bit of a byte
Kent Johnson
kent37 at tds.net
Wed Feb 21 22:50:35 CET 2007
Alan Gauld wrote:
> "Kent Johnson" <kent37 at tds.net> wrote
>
>> This is also a good application of bitwise operations.
>>
>> a & 128 will be 128 if the high bit in a is set, 0 if it is not.
>>
>
> Only for an 8 bit integer! Most integers nowadays are
> 32 bit so you need to use 0x80000000 to get the msb!
Right, but if you read the thread it is about byte values read from a
file so presumably he is talking about 8-bit integers.
Kent
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