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
On Tue, Jan 12, 2010 at 10:42 AM, Mirko Vukovic mirko.vukovic@gmail.comwrote:
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
Fixed in GSD.
Liam
On Tue, Jan 26, 2010 at 10:59 AM, Mirko Vukovic mirko.vukovic@gmail.com wrote:
On Tue, Jan 12, 2010 at 10:42 AM, Mirko Vukovic mirko.vukovic@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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