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im_shiftleft, im_shiftright - bit shift operations
#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;
Shift integer images n bits left or right. Shifts on
signed images are sign-preserving.
All functions return 0 on
success and -1 on error.
im_ifthenelse(3)
, im_equal(3)
, im_andimage(3)
.
National Gallery, 1992
J. Cupitt
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