Re: [boost] [random] new threefry random engine

Subject: Re: [boost] [random] new threefry random engine
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2014-04-20 11:18:40

On 18/04/14 10:00, Thijs van den Berg wrote:

>>
>> Do not use reinterpret_cast in operator().
>> The behavior is undefined, and will certainly
>> differ depending on endianness.
> I did this for speed and I didn’t worry about endianness because it never crossed my mind. Changing the order of bits/bytes should not affect the quality of the randomness, but it’s indeed not nice to have different behaviour on different machines. I’ll fix this.

Personally I would want this engine to produce exactly the same results 
as the reference random123 implementation for a given seed.

This should be the case regardless of the platform used.