64-bit / 128-bit data element type for array?

Robert Kern robert.kern at gmail.com
Mon Dec 22 22:22:14 CET 2008

akineko wrote:
> Hello,
> bearophile and  Robert, thank you for your prompt response.
> I will try NumPy (this is a good execuse to learn and to use a new
> package).
>> I haven't seen uint128 in the wild, though.
> Of course, not many applications require uinit128 as a scalar value.
> I may need to deal with 128-bit data as it is now not uncommon to have
> 128-bit data bus (or even 256-bit wide and beyond) in ASICs
> (microchip) design. Unfortunately, some designs use big-endian and
> others use little-endian ...

Is that actually a 2s-complement 128-bit unsigned integer, or is it just a 
128-bit-long chunk of data?

Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
  that is made terrible by our own mad attempt to interpret it as though it had
  an underlying truth."
   -- Umberto Eco

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