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

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revision 2945, Thu Dec 19 13:52:00 2013 UTC revision 2946, Fri Dec 20 10:52:57 2013 UTC
# Line 3  Line 3 
3  * *Urgent* in some sense ---------------------------------------------------  * *Urgent* in some sense ---------------------------------------------------
4  ** TODO M[ <negative vector> ] <- value all fail for sparse M; invalid object for Tsparse  ** TODO M[ <negative vector> ] <- value all fail for sparse M; invalid object for Tsparse
5   see 'FIXME:' in file:tests/indexing.R   see 'FIXME:' in file:tests/indexing.R
6    ** TODO M[<sparse 2-column Matrix>] indexing should work (but with a warning: use *dense*!)
7  ** TODO src/CHOLMOD/MatrixOps/cholmod_symmetry.c  is "cool" and fast;  ** TODO src/CHOLMOD/MatrixOps/cholmod_symmetry.c  is "cool" and fast;
8  Definitely should use it for solve(<dgCMatrix>)  {it seems MATLAB does};  Definitely should use it for solve(<dgCMatrix>)  {it seems MATLAB does};
9  alternatively also is_sym() [in src/cs_utils.c], see below.  alternatively also is_sym() [in src/cs_utils.c], see below.
# Line 36  Line 37 
37  ** TODO cbind2() / rbind2() for sparseMatrices: dimnames propagation should  ** TODO cbind2() / rbind2() for sparseMatrices: dimnames propagation should
38    happen in C, see  R/bind2.R and src/Csparse.c (Csparse_horzcat etc).    happen in C, see  R/bind2.R and src/Csparse.c (Csparse_horzcat etc).
39    
40    ** TODO use  getOption("Matrix.quiet") in more places [--> less messages/warnings]
41  ** TODO Check for DimNames propagation in coercion and other operations.  ** TODO Check for DimNames propagation in coercion and other operations.
42    Done for (%*%, crossprod, tcrossprod).    Done for (%*%, crossprod, tcrossprod).
43    

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