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NAME

       im_shiftleft, im_shiftright - bit shift operations

SYNOPSIS

       #include <vips/vips.h>

       int im_shiftleft( in, out, n )
       IMAGE *in, *out;
       int n;

       int im_shiftright( in, out, n )
       IMAGE *in, *out;
       int n;

DESCRIPTION

       Shift  integer images n bits left or right. Shifts on signed images are
       sign-preserving.

RETURN VALUE

       All functions return 0 on success and -1 on error.

SEE ALSO

       im_ifthenelse(3), im_equal(3), im_andimage(3).

COPYRIGHT

       National Gallery, 1992

AUTHOR

       J. Cupitt

                                30 October 1992                       SHIFT(3)