Which can be "golfed" to 
    $PFACT * ($weight, ($weight >= 0) * 2 - 1)[abs $weight < $MIN]

[download]

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In reply to Re^2: Some simple math and absolute values (updated) by choroba
in thread Some simple math and absolute values by sidmuchrock

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