[GSLL-devel] grid (un)signed-byte 64 error

[Mirko Vukovic]

Hm,

I am on 64-bit RH linux, and a recent sbcl.  But I get 4 not 8.



On Fri, Dec 3, 2010 at 11:23 AM, Liam Healy <lhealy at common-lisp.net> wrote:
> If you are on 32-bit hardware, you do not have 64 bit types.  Try
> this: (cffi:foreign-type-size :long)
> if it says 4, you're out of luck.  If it says 8, you should be all
> set.  That result is determined by the hardware, the OS, and the Lisp
> implementation, not by GSLL/grid.
>
> Liam
>
>
> On Fri, Dec 3, 2010 at 10:14 AM, Mirko Vukovic <mirko.vukovic at gmail.com> wrote:
>> Executing #64m(1 2 3)
>>
>> There is no class named GRID::VECTOR-UNSIGNED-BYTE-64.
>>   [Condition of type SIMPLE-ERROR]
>>
>> Looking at the gsd code I found the following in foreign-arrays & friends.
>>
>> *array-element-types* does not contain 64-byte definitions:
>>
>> (SINGLE-FLOAT DOUBLE-FLOAT (COMPLEX SINGLE-FLOAT) (COMPLEX DOUBLE-FLOAT)
>>  (SIGNED-BYTE 8) (UNSIGNED-BYTE 8) (SIGNED-BYTE 16) (UNSIGNED-BYTE 16)
>>  (SIGNED-BYTE 32) (UNSIGNED-BYTE 32))
>>
>> and neither does *cstd-cl-type-mapping*
>>
>> This may be because *cstd-cl-type-mapping* does not have an entry that
>> would correspond to a
>> 64 byte integer - and I don't have a clue as to what such an entry would be.
>>
>> Mirko
>>
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>