I’m pretty sure that it’s by design for performance reasons.

Thanks,
Gabriel Jacoby-Cooper
Rensselaer Polytechnic Institute

> On Sep 24, 2022, at 4:10 PM, Carl Hoefs via Cocoa-dev 
> <cocoa-dev@lists.apple.com> wrote:
> 
> Whoa.. That could be a show-stopper, since we're doing real-time scientific 
> modelling not gaming (where the highest possible accuracy / lowest possible 
> error isn't required).
> 
> Is that by design, or just the current implementation of Metal? Metal 4 
> perhaps...?
> -Carl
> 
> 
>> On Sep 24, 2022, at 7:54 AM, Richard Charles <rsomers...@gmail.com> wrote:
>> 
>> Just a heads up. Metal does not support the double data type.
>> 
>> Richard
>> 
>> 
>>>> On Sep 22, 2022, at 2:37 PM, Carl Hoefs via Cocoa-dev 
>>>> <cocoa-dev@lists.apple.com> wrote:
>>> 
>>> Yes, Metal seems to be the way to go with this... and it looks like there's 
>>> a wee learning curve to it!
>>> Thanks for the links. This gets me started.
>>> 
>>> -Carl

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