SHIFT
Section: C Library Functions (3)
Updated: 30 October 1992
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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