[Gsll-devel] grid tranpose & diagonal compatibility with marray's

[Liam Healy]

Fixed in GSD.

Liam

On Tue, Jan 26, 2010 at 10:59 AM, Mirko Vukovic <mirko.vukovic at gmail.com> wrote:
>
>
> On Tue, Jan 12, 2010 at 10:42 AM, Mirko Vukovic <mirko.vukovic at gmail.com>
> wrote:
>>
>> I am converting some of my code to use grid.
>>
>> The following is on clisp & cygwin (my sbcl & linux is behind a firewall,
>> so it takes a bit for me to transfer stuff to them)
>>
>> It seems that while `transpose' can handle both arrays and marrays,
>> diagonal can handle only arrays.  I traced the execution to
>> `make-specification' in specification.lisp: SYSTEM::LIST-ACCESS: NIL is not
>> a pair.
>>
>>
>> GSL> #m(1 2 3 ^ 4 5 6 ^ 7 8 9)
>> #<MATRIX-DOUBLE-FLOAT #2A((1.0d0 2.0d0 3.0d0) (4.0d0 5.0d0 6.0d0) (7.0d0
>> 8.0d0 9.0d0))>
>> GSL> (grid:transpose #m(1 2 3 ^ 4 5 6 ^ 7 8 9))
>> #<MATRIX-DOUBLE-FLOAT #2A((1.0d0 4.0d0 7.0d0) (2.0d0 5.0d0 8.0d0) (3.0d0
>> 6.0d0 9.0d0))>
>> GSL> (grid:diagonal #m(1 2 3 ^ 4 5 6 ^ 7 8 9))
>> ; Evaluation aborted.
>> GSL> (grid:transpose (cl-array #m(1 2 3 ^ 4 5 6 ^ 7 8 9)))
>> #2A((1.0d0 4.0d0 7.0d0) (2.0d0 5.0d0 8.0d0) (3.0d0 6.0d0 9.0d0))
>> GSL> (grid:diagonal (cl-array #m(1 2 3 ^ 4 5 6 ^ 7 8 9)))
>> #(1.0d0 5.0d0 9.0d0)
>> GSL>
>>
>> FWIW, in the test suite (tests/compose.lisp), the diagonal tests are on
>> arrays, and not marrays.
>>
>> Thanks,
>>
>> Mirko
>
> I confirmed that `grid:diagonal' operates only on cl-arrays and not on
> marrays on clisp & sbcl (the latest version of grid, downloaded a few
> minutes ago).  Bug or feature?
>
> Mirko
>
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