hash policy patch

[Paolo Carlini]

On 09/06/2011 09:18 PM, Paolo Carlini wrote:
> Sure, we can use a double (I can do that as part of the patch I posted 
> today), seems a good idea. Note that the unordered containers code, at 
> first had already some issues with 32-bit vs 64-bit: for sure the 
> issue you are pointing out is much less noticeable with 32-bit longs.
Actually, I'm going to use consistently long double in these functions: 
should be more than enough in terms of precision at least for 21st 
century machines ;)

Paolo.