Shift Operators

w << n

• shift the bit pattern as a whole to the left n bits. Fill the shift-in bits with 0.

w >> n

• shift the bit pattern to the right n bits. Fill with zero for positive number. (0 or 1 for negative number).

if

w = 1111 0001 0000 1111

w << 2 becomes

1100 0100 0011 1100

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