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[matrix] Diff of /pkg/R/ddenseMatrix.R
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Diff of /pkg/R/ddenseMatrix.R

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revision 1459, Tue Aug 29 07:18:18 2006 UTC revision 1460, Tue Aug 29 14:07:52 2006 UTC
# Line 3  Line 3 
3  ## This replaces many "d..Matrix" -> "dgeMatrix" ones  ## This replaces many "d..Matrix" -> "dgeMatrix" ones
4  ## >> but << needs all sub(sub(sub)) classes of "ddenseMatrix" listed  ## >> but << needs all sub(sub(sub)) classes of "ddenseMatrix" listed
5  ##   -----  in  ../src/Mutils.c  ##   -----  in  ../src/Mutils.c
6    
7    ## Should this method return 'from' without duplication when it has
8    ## class dgeMatrix?
9  setAs("ddenseMatrix", "dgeMatrix",  setAs("ddenseMatrix", "dgeMatrix",
10        function(from) .Call(dup_mMatrix_as_dgeMatrix, from))        function(from) .Call(dup_mMatrix_as_dgeMatrix, from))
11    
# Line 13  Line 16 
16  setAs("dsyMatrix", "lsyMatrix", d2l_Matrix)  setAs("dsyMatrix", "lsyMatrix", d2l_Matrix)
17  setAs("dspMatrix", "lspMatrix", d2l_Matrix)  setAs("dspMatrix", "lspMatrix", d2l_Matrix)
18    
19    setAs("ddenseMatrix", "CsparseMatrix",
20          function(from) {
21              if (class(from) != "dgeMatrix")
22                  from <- .Call(dup_mMatrix_as_dgeMatrix, from)
23              .Call(dense_to_Csparse, from)
24          })
25    
26    ## special case
27    setAs("dgeMatrix", "dgCMatrix",
28          function(from) .Call(dense_to_Csparse, from))
29    
30    setAs("matrix", "CsparseMatrix",
31          function(from)
32          .Call(dense_to_Csparse, .Call(dup_mMatrix_as_dgeMatrix, from)))
33    
34    ## special case needed in the Matrix function
35    setAs("matrix", "dgCMatrix",
36          function(from) {
37              storage.mode(from) <- "double"
38              .Call(dense_to_Csparse, from)
39          })
40    
41    setAs("numeric", "CsparseMatrix",
42          function(from)
43          .Call(dense_to_Csparse, .Call(dup_mMatrix_as_dgeMatrix, from)))
44    
45  setMethod("as.numeric", signature(x = "ddenseMatrix"),  setMethod("as.numeric", signature(x = "ddenseMatrix"),
46            function(x, ...) as(x, "dgeMatrix")@x)            function(x, ...) as(x, "dgeMatrix")@x)
47    

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