31 lines
569 B
Groff
31 lines
569 B
Groff
.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
|