in reply to Re^2: Code for Constraint Satisfaction Problems
in thread Code for Constraint Satisfaction Problems

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]
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"I'd rather go naked than blow up my ass"

In Section Seekers of Perl Wisdom