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Perl-Sensitive Sunglasses | |
PerlMonks |
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( #3333=superdoc: print w/replies, xml ) | Need Help?? |
return abs(($x2-$x1)*($y-$y1)-($x-$x1)*($y2-$y1)) < $tolerance;
Update added abs() In reply to Re^3: Check if line is straight
by lidden
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