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[matrix] Diff of /pkg/TODO
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Diff of /pkg/TODO

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revision 497, Fri Feb 4 18:15:24 2005 UTC revision 530, Mon Feb 7 10:58:27 2005 UTC
# Line 7  Line 7 
7    ?  and the examples in    ?  and the examples in
8    ?SetGeneric    ?SetGeneric
10  - check to see if the .onLoad function to require the methods package  - bCrosstab(): do we really want the diagonal "V:V" crosstabs?
11    (in the AllClass.R file) is needed                 (if so or in any case: add to  man/bCrosstab.Rd )
13  - Should the uplo and diag slots continue to be stored as character?  - src/Metis/ : one of the two Makefiles needs fixing, as changing
14    An alternative is to use a factor as in the enum values for the               src/Metis/*.c  does not lead to recompilation.
15    cblas.    --DB - it seems both Makefiles need fixing.  I think I have the
16                 src/Metis/Makefile fixed but not src/Makefile
 - Organization of the source code files - right now they are organized  
   according to class (e.g. dgeMatrix.R, dgeMatrix.h, dgeMatrix.c).  Is  
   there a better way?  
18  - Fix the calculation of the Dim slot for the crossprod method for  - man/Matrix.Rd :  has example with dimnames, but we just drop them!
19    dgCMatrix objects (too tired to do that now).                  MM thinks dimnames should be supported (but then ...)
21  - bCrosstab(): do we really want the diagonal "V:V" crosstabs?  - data/ : names 'mm' and even more 'y' are  ``too short''.
22            If we really want to keep them, don't use "LazyData"
23            (such that one needs  data(*) explicitly);
24            But MM would rather want something like and ex.y
26    - "factors" maybe should move up to "Matrix"
28    -------
30    We have a (at least one) basic problem :
31       Currently the show() method fail sometime after coercion:
32       e.g. 'sy' show()s wrongly, even though it "str()" fine :
34          (po <- crossprod(Matrix(0:3, 2))) # ok
35          (ge <- as(po, "dgeMatrix")) # ok
36          (sy <- as(po, "dsyMatrix")) # BAD
37          str(sy) # looks fine
39      or
40          example(expand) # -> ex$L and ex$U look bad, however
41          as(ex$L, "dgeMatrix") # `works'
43  - src/Metis/ : some Makefile needs fixing, as changing src/Metis/*.c    {Of course, we don't need a workaround but must understand
44               does not lead to recompilation.     and solve the problem}

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