SHIFT

Section: C Library Functions (3)
Updated: 30 October 1992
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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