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