Re: [Boost-users] cross-platfrom binary serialization?

From: Matthias Troyer (troyer_at_[hidden])
Date: 2008-08-24 23:44:42

On 24 Aug 2008, at 21:39, Bo Peng wrote:

>> This was actually tested on various platforms of different 32/64  
>> endian
>> combinations.  And the test consisted of running ALL serialization
>> tests as is done with the "official" archive implementations.  To me,
>> the main problem is that its missing support for floating point  
>> types.
>> Including such support in a definitive, portable manner would
>> be a significant effort which so far no one has deigned to undertake.
>
> Please forgive my ignorance, but what is 'floating point types'?
> QDataStream simply dump the internal presentation of float or double
> numbers and swap them for big small endian coding if necessary...

The internal presentation is not the same on all platforms.

Matthias