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[matrix] Annotation of /pkg/TODO
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Annotation of /pkg/TODO

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1 : bates 344 - Report the problem in the Linux ldexp manual page. The second and
2 :     third calls in the Synopsis should be to ldexpf and ldexpl.
3 : maechler 472
4 :     - [,] indexing
5 :    
6 :     - group generics: "Arith", but also "Ops" and "Math"; see
7 :     ?Math.data.frame and the examples in
8 :     ?SetGeneric
9 : bates 482
10 : maechler 497 - bCrosstab(): do we really want the diagonal "V:V" crosstabs?
11 : maechler 517 (if so or in any case: add to man/bCrosstab.Rd )
12 : bates 491
13 : maechler 517 - src/Metis/ : one of the two Makefiles needs fixing, as changing
14 :     src/Metis/*.c does not lead to recompilation.
15 : bates 529 --DB - it seems both Makefiles need fixing. I think I have the
16 :     src/Metis/Makefile fixed but not src/Makefile
17 : maechler 510
18 :     - man/Matrix.Rd : has example with dimnames, but we just drop them!
19 :     MM thinks dimnames should be supported (but then ...)
20 :    
21 :     - 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 ex.mm and ex.y
25 : maechler 517
26 :     - spelling style: Should "coersion" be "coercion" ?
27 :    
28 : maechler 521 - "factors" maybe should move up to "Matrix"
29 :    
30 : maechler 517 -------
31 :    
32 :     We have a (at least one) basic problem :
33 :     Currently the show() method fail sometime after coercion:
34 :     e.g. 'sy' show()s wrongly, even though it "str()" fine :
35 :    
36 :     (po <- crossprod(Matrix(0:3, 2))) # ok
37 :     (ge <- as(po, "dgeMatrix")) # ok
38 :     (sy <- as(po, "dsyMatrix")) # BAD
39 :     str(sy) # looks fine
40 :    
41 :     or
42 :     example(expand) # -> ex$L and ex$U look bad, however
43 :     as(ex$L, "dgeMatrix") # `works'
44 :    
45 :     {Of course, we don't need a workaround but must understand
46 :     and solve the problem}

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