shift(3)
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