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Re^2: reliably test integer size for portable bit-fiddling? (~0)

by wollmers (Scribe)
on Dec 09, 2014 at 08:46 UTC ( [id://1109695]=note: print w/replies, xml ) Need Help??

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  1. or download this
    log(~0)/log(2)
    
  2. or download this
    helmut@w3:~$ perl -e 'print log(-1)/log(2),"\n";'
    Can't take log of -1 at -e line 1.
    

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