Re: [Boost-users] [Units] Un-scaling dimensionless value

Subject: Re: [Boost-users] [Units] Un-scaling dimensionless value
From: Lindley French (lindleyf_at_[hidden])
Date: 2014-02-17 10:40:16

For the life of me I can't figure out where the actual multiplication of
the value occurs. Boost Units is very clever template magic, but I doubt
anyone could maintain the thing without weeks of studying the design....

On Mon, Feb 17, 2014 at 9:48 AM, Lindley French <lindleyf_at_[hidden]> wrote:

> What's the best way to access the current scaling of a dimensionless
> value? Maybe I can back it out myself rather than relying on type
> conversion to do it.
>
>
> On Sun, Feb 16, 2014 at 6:28 PM, Lindley French <lindleyf_at_[hidden]>wrote:
>
>> Hmm. Ideally, I'd love it if floating point conversions were only used
>> when the value type is floating point; the rest of the time, an integer
>> conversion or static assert if necessary could be used. But thanks for the
>> insight into the current behavior.
>>
>> > On Feb 16, 2014, at 2:26 PM, Steven Watanabe <watanabesj_at_[hidden]>
>> wrote:
>> >
>> > AMDG
>> >
>> >> On 02/16/2014 11:08 AM, Lindley French wrote:
>> >> I find it very surprising that the conversion would use floating
>> point, since scaled units use static_rational. Are you certain that's how
>> it works?
>> >
>> > Given that I wrote the code, yes I'm certain.
>> > The values can be too large to fit in an
>> > integer type (even long long).
>> >
>> > In Christ,
>> > Steven Watanabe
>> >
>> > _______________________________________________
>> > Boost-users mailing list
>> > Boost-users_at_[hidden]
>> > http://lists.boost.org/mailman/listinfo.cgi/boost-users
>>
>
>