[r6rs-discuss] [Formal] bitwise-bit-count should return -ve on -ve argument.
cowan at ccil.org
Sat Apr 21 03:03:11 EDT 2007
Ben Harris scripsit:
> This problem can be
> dodged by having bitwise-bit-count return the number of set bits mod0
> infinity, or more prosaically, by returning the number of set bits in
> a non-negative argument, and _minus_ the number of clear bits in a
> negative one.
I think this is a good idea for the reasons given, but the phrase
"mod0 infinity" should not be used, as Scheme has no exact infinity.
John Cowan http://www.ccil.org/~cowan cowan at ccil.org
"After all, would you consider a man without honor wealthy, even if his
Dinar laid end to end would reach from here to the Temple of Toplat?"
"No, I wouldn't", the beggar replied. "Why is that?" the Master asked.
"A Dinar doesn't go very far these days, Master. --Kehlog Albran
Besides, the Temple of Toplat is across the street." The Profit
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