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Re: [Scheme-reports] Numeric towers
Vincent Manis scripsit:
> The only other thing might be error handling. Since I don't have much
> of an idea what WG1's error handling will look like, other than that
> error will be provided, it's not clear to me whether this is an issue.
Neither do we yet. The leading candidates are the R6RS exception (not
condition) system and nothing.
> I intended to rule out --++, but did want to keep --+-. Or did I
> misunderstand your comment?
Sorry, I meant +x-x, bignums without flonums.
> I withdraw my request for numeric-features, I had forgotten (or not
> known) that WG1 intends to include cond-expand.
I proposed it, but it's not accepted yet.
> Decimal floating-point also might bring back issues about multiple
> precisions, which I believe WG1 has decided not to support, though I
> don't know about WG2. I don't feel that's a big deal, though.
What we've decided to drop is the requirement for nnn.nn[SFDL]nnn whether
you support multiple precisions or not. Multiple precisions are still
permitted, though only a few Schemes support them.
John Cowan cowan@x http://ccil.org/~cowan
In computer science, we stand on each other's feet.
--Brian K. Reid
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