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