Representing +inf, -inf and nan in mpq_class objects

Kevin Ryde user42 at
Tue Oct 7 10:20:04 CEST 2003

Roberto Bagnara <bagnara at> writes:
> resorting to normal mpz_class
> operations only for normal values.

Provided your special values don't reach the mpq functions there
shouldn't be any problems.

A few mpq functions will be happy with any values actually, eg.
mpq_set and the input/output routines I think.

> e.g., if the (present or future) implementation
> does too much automatic canonicalization.

There's no plans for anything like that.

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