Thread Hex String umkehren (3 answers)
Opened by Markus at 2015-08-20 14:13

Raubtier
 2015-08-20 17:06
#181851 #181851
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Wie wär's mit diesem Code:
Code (perl): (dl )
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sub reverseBitsIn8BitChar {
    my $c = shift;
    return 0xFF & ((($c * 0x0802 & 0x22110) | ($c * 0x8020 & 0x88440)) * 0x10101 >> 16);
}


(frei nach http://graphics.stanford.edu/~seander/bithacks.htm...)

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