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Re^3: Extracting Bit Fields (Again)

by ikegami (Patriarch)
on Oct 12, 2005 at 14:17 UTC ( [id://499492]=note: print w/replies, xml ) Need Help??


in reply to Re^2: Extracting Bit Fields (Again)
in thread Extracting Bit Fields (Again)

There is a rotate...
huh? no Or are you talking about some module?

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Re^4: Extracting Bit Fields (Again)
by ozboomer (Friar) on Oct 13, 2005 at 10:20 UTC
    Sorry about that... my slack use of the language(!)

    I mean a 'right shift operator' (the '>>'). Sometimes I revert to assembler or C -style constructs/language and I use the terms interchangably... but it's really just 'rotating the bits (right)' that I was trying to remember.

      C doesn't have a rotate operator either.

      The rotate operator takes the bits that are shifted out of the register and shifts then in from the other end.

      Rotate 010...101 by 1 to to the right = 1010...10
      Shift 010...101 by 1 to to the right = 0010...10

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