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Re^4: Efficient 7bit compression

by Roy Johnson (Monsignor)
on Mar 14, 2005 at 20:22 UTC ( [id://439433]=note: print w/replies, xml ) Need Help??


in reply to Re^3: Efficient 7bit compression
in thread Efficient 7bit compression

...a better way to implement ceil...
    my $dlen = int((7 + length($_[0]) * 7)/8);
    substr($_[0], $dlen) = '';
    vec ($_[0], $dbit++, 1) = 0 while ($dbit < $dlen * 8);
}

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This replaces your shrink function from the definition of $dlen on.
Caution: Contents may have been coded under pressure.

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