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.

COPYRIGHT

National Gallery, 1992

AUTHOR

J. Cupitt