Re: [boost] Units of data

Subject: Re: [boost] Units of data
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-07-02 15:25:23

AMDG

Matthias Schabel wrote:
>>     //Succeeds but gives a horribly long warning about conversion from
>> 'double' to 'const int'
>>     //at file 'boost/units/detail/conversion_impl.hpp(342)', 
>> reference to
>> class template instantiation at
>>     //boost/units/quantity.hpp(182)
>>           quantity<data_capacity, int> compressed_size3(1000 * bytes);
>> }
>
> If I remember correctly, this stems from the use of double precision 
> in the conversion code. I think it would be difficult to get rid of 
> this - most computations involving unit conversions do not involve 
> exact integer arithmetic...

Getting rid of the warning shouldn't be a problem.
I'm just going to add a cast.  This ought to be safe,
since the conversion is explicit.  A cast is only
needed at the end, because all the conversion code
is careful to deduce the correct return type for all
operators.

In Christ,
Steven Watanabe