| .TH SHIFT 3 "30 October 1992" |
| .SH NAME |
| im_shiftleft, im_shiftright \- bit shift operations |
| .SH SYNOPSIS |
| .B #include <vips/vips.h> |
| |
| .B int im_shiftleft( in, out, n ) |
| .br |
| .B IMAGE *in, *out; |
| .br |
| .B int n; |
| |
| .B int im_shiftright( in, out, n ) |
| .br |
| .B IMAGE *in, *out; |
| .br |
| .B int n; |
| |
| .SH DESCRIPTION |
| Shift integer images n bits left or right. Shifts on signed images are |
| sign-preserving. |
| |
| .SH RETURN VALUE |
| All functions return 0 on success and -1 on error. |
| .SH SEE ALSO |
| im_ifthenelse(3), im_equal(3), im_andimage(3). |
| .SH COPYRIGHT |
| National Gallery, 1992 |
| .SH AUTHOR |
| J. Cupitt |
