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MyASPN >> Mail Archive >> boost
boost
[boost] Note for those making bounded types (was: Re: integer_mask for long long)
by Daryle Walker other posts by this author
Sep 29 2005 12:08PM messages near this date
Re: [boost] integer_mask for long long | Re: [boost] toward a more modular boost
SOURCE On 9/25/05 5:43 AM, "Daryle Walker" <darylew@[...].com>  wrote:

[SNIP]
>  "integer_mask.hpp" doesn't use any extended integer types because
>  "integer.hpp" didn't either.
>  
>  "integer.hpp" doesn't use any extended integer types because:
>  1.  Their existence in compilers back then (2001) were more rare.
>  2.  There were concerns back then that the extended types could not
>    be used in value-based template parameters.  That's important since
>    Boost.CRC does that type of usage.  I don't know how accurate that
>    concern was then or is now.
>  
>  Possible solutions:
>  A.  Determine the largest integer type that can be used as a template
>    parameter, and make new typedef-s if the result ever differs from
>    (u)intmax_t on some platform.  (Or we can always define the typedef
>    to make it always available.)  Make sure Boost.CRC uses the
>    appropriate typedef.
[TRUNCATE]

This suggestion could be used for the bounded (numeric) type wrappers
mentioned in other message threads....

-- 
Daryle Walker
Mac, Internet, and Video Game Junkie
darylew AT hotmail DOT com

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