Grrr. You're right! There is a big difference between: 

        my $n = unpack '%32b*', ( $set[ $x ] ^ $set[ $y ] );

[download]

and 

        my $n = unpack '%32b*', pack 'N`', ( $set[ $x ] ^ $set[ $y ] )
+;

[download]
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In the absence of evidence, opinion is indistinguishable from prejudice.
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In reply to Re^3: Code for Constraint Satisfaction Problems by BrowserUk
in thread Code for Constraint Satisfaction Problems by Xilman

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