Passing a matrix from C to Haskell
simonmar at microsoft.com
Wed Feb 8 12:10:21 EST 2006
Cyril Schmidt wrote:
> Simon Marlow wrote:
>>Bulat Ziganshin wrote:
>>>i think we should define "secret door" to construct StorableArray from
>>>a pointer to allow to use full power of MArray interface on foreign
>>You mean this?
>>-- |Construct a 'StorableArray' from an arbitrary 'ForeignPtr'. It is
>>-- the caller's responsibility to ensure that the 'ForeignPtr' points to
>>-- an area of memory sufficient for the specified bounds.
>> :: ForeignPtr e -> (i,i) -> IO (StorableArray i e)
> It looks like this function is not available in GHC 6.4.1 (see
> It is, however, documented at
> but I don't know which version of GHC it applies to.
Yes, it's new since 6.4.x. It will be in 6.6.
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