I wrote:
> Write a function to [...]. Compose them appropriately to set bits
> in numbers. Probably four lines of code,
Turns out it's three lines of code:
n2s = func(n) { var s = buf(6); setfld(s, 0, 48, n); return s; }
getbit = func(n, b) { getfld(var s = n2s(n), b, 1) }
setbit = func(n, b) { setfld(var s = n2s(n), b, 1); return fld(s, 0, 48); }
These guys provide 48 bits in a number. You can theoretically stretch
that to 53, but it requires some fiddling of the doubles that I don't
want to promise yet. :)
Obviously you can't use this yet, because I haven't written the
underlying bit functions. But hopefully this will address the
elegance issues.
Andy
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