im_shiftleft(3) - Linux man page

Name

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.

National Gallery, 1992

J. Cupitt