Re: [boost] Checked Integral Class

From: Dan McLeran (dan.mcleran_at_[hidden])
Date: 2005-09-14 15:10:37

Cromwell,

Yes, I have used the MPL quite a bit, but I don't claim to be an expert. I 
will check out the numeric metafunctions section when I get a chance. Thanks 
for the info.

"Cromwell Enage" <sponage_at_[hidden]> wrote in message 
news:20050914190126.65780.qmail_at_web53903.mail.yahoo.com...
> --- Dan McLeran <dan.mcleran_at_[hidden]> wrote:
>> I also do some static assertions and I was thinking
>> of adding static functionality to add, multiply,
>> divide, etc. at compile time.  One could do this if
>> one knew the lhs & rhs values at compile-time.
>
> Have you checked out MPL?
> <http://www.boost.org/libs/mpl/doc/>
>
> If you haven't done so, check out the section on
> "Numeric Metafunctions".
>
>> >>I would love to figure out how to trick the
>> >>compiler into evaluating a floating point,
> non-type
>> >>argument but so far I haven't found it (a few
> ideas
>> >>though :)
>>
>> This makes me think about something like
> representing
>> the float in unsigned format: sign, exponent,
>> mantissa.  You could figure out how to add and
>> subtract, etc. the floats in this form and use
>> meta-programming techniques to do some
> floating-point
>> math with the compiler.
>
> Peder Holt and I are doing some work in that area.
> Peder's work is in the "metamath" sections of the
> Sandbox CVS
> <http://cvs.sourceforge.net/viewcvs.py/boost-sandbox/boost-sandbox/>;
> as soon as I fix a couple of bugs, I'll upload my work
> to the Vault <http://boost-consulting.com/vault/>.  In
> the meantime, keep track of the "metadouble" threads
> and any discussions regarding MPL and numerics.
>
>                              Cromwell D. Enage
>
>
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