Extract the upper and the lower half of an integer

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Hi, is there a function that extract the upper half of an integer (most significants bits) and the lower half? Thanks

回答(2 个)

per isakson
per isakson 2012-6-1
See: bitget
C = bitget(A, bit) returns the value of the bit at position bit in A.

Walter Roberson
Walter Roberson 2012-6-1
For anything other than 8 bit integers, typecast() the integer into the unsigned integer type which is half of the size. You may have to deal with byte order problems, though.

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