[mercury-users] Possum

[Dan Hazel]

Thomas Conway writes:
 > On Thu, Sep 23, 1999 at 01:06:05AM EST, Dan Hazel wrote:
 > > is going to embarrass me, as Possum (like a cheap calculator) 
 > > shifts into (it's version of) floats once integers get too big and 
 > > supplies the expected swamping/rounding/overflow errors you can imagine.
 > > To avoid rounding/overflow you'd probably have to keep n down and to
 > > avoid swamping you'd have to keep x, y and z very close together.
 > 
 > Have you seen the integer module (not `int', `integer')? It does bignums,
 > and there is a module `rational' somewhere or other (it doesn't seem to
 > be in the library, so I'll have a look for it later).

I've seen them and I use them (for other things).  I'll get around to
reworking Z integers some time - it hasn't been a priority.

thanks though,
Dan Hazel
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