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From: Valentin Bonnard (Bonnard.V_at_[hidden])
Date: 1999-08-06 10:59:56

Beman Dawes wrote:

> For many uses, these are sufficient. But min() and max() are
> problems because they are not constant expressions (5.19) and some
> uses require constant expressions.

Like C array declarations, cases in switch
and integral template parameters

> Valentin worked around this by providing an extended_numeric_limits<>
> class derived from numeric_limits<>, which for integers added:
> static const T max_constant;
> static const T min_constant;
> (I have changed lots of details from Valentin's header for the sake
> of exposition.)
> Now the 64-bit question:

I would go as a far as 128 bits.

> Is it worthwhile for boost to supply an extended_numeric_limits<>
> class?
> To me, it seems more trouble that it is worth. What do others think?

Simply indispensable for my integral types library.

Trivial to define in term of <climits>.

Valentin Bonnard

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