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aa0402.txt

Associated article: Algorithm Alley: Unbiasing Random Bits

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Published source code in the article by Michael Mitzenmacher in which he presents a means of efficiently extracting random bits from a possibly biased source of bits.

					Algorithm Alley
by Michael Mitzenmacher

Listing One
Function ExtractBits ( Flips[0,NumFlips-1] )
    for (j = 0; j < (NumFlips-1)/2; j++) {
        if ( Flips[2*j] == Heads ) and ( Flips[2*j+1] == Tails ) print 0;
        if ( Flips[2*j] == Tails ) and ( Flips[2*j+1] == Heads ) print 1;
    }
}


Listing Two
Function ExtractBits ( Flips[0,...
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