On 12 May 2006 00:47, John Meacham wrote:
> On Thu, May 11, 2006 at 02:57:30PM +0100, Simon Marlow wrote:
>> On the other hand, keeping intermediate Doubles to 80-bit precision
>> is both (a) non-portable and (b) unpredictable (the programmer
>> doesn't know which intermediates are going to be stored in 80 bits,
>> and turning on optimisation will probably make a difference).
>
> Indeed, not storing the intermediate values as 80 bits is one of the
> 'nicer' things I was refering to. :)
>
> though, this does bring up another standardish C type we should
> support
>
> __float128
>
> and __complex as pointed out by Aaron.
>
> any idea what would be a good module to export them from?
How standard are these? Foreign.C.Types is the obvious place, but it
wouldn't be a good idea for that module to contain optional parts of its
interface.
Cheers,
Simon
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