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Re: Some comments relating to ICFP contest

This page is part of the web mail archives of SRFI 77 from before July 7th, 2015. The new archives for SRFI 77 contain all messages, not just those from before July 7th, 2015.

"Alan Watson" <a.watson@xxxxxxxxxxxxxxxx> writes:

> Consider data types with 32 bits and 64 bits but which are not
> numbers in the sense that the generic arithmetic operations cannot
> be used with them without an explicit conversion. Appropriate type-
> specific arithmetic and logical operations could be defined for
> these types. This would not be especially difficult to implement in
> a well-designed Scheme.

Yes, and SRFI 77 gives you the machinery to implement that.  (In fact,
the reference implementation does precisely that for the fixnums.)
But it's a whole different ballgame from the "unified" number system
of SRFI 77 (in the sense that fixnums are exact integers and flonums
are inexact reals).

Cheers =8-} Mike
Friede, Völkerverständigung und überhaupt blabla