SCM

SCM Repository

[matrix] Diff of /pkg/Matrix/R/ddenseMatrix.R
ViewVC logotype

Diff of /pkg/Matrix/R/ddenseMatrix.R

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 1447, Fri Aug 25 20:38:36 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    
# Line 195  Line 224 
224                new("dgeMatrix", Dim = c(nrx + nry, nc), Dimnames = dn,                new("dgeMatrix", Dim = c(nrx + nry, nc), Dimnames = dn,
225                    x = c(rbind2(as(x,"matrix"), as(y,"matrix"))))                    x = c(rbind2(as(x,"matrix"), as(y,"matrix"))))
226            })            })
227    ## NB: have extra tril(), triu() methods for symmetric ["dsy" and "dsp"] and
228    ##     for triangular ["dtr" and "dtp"]
229    setMethod("tril", "ddenseMatrix",
230              function(x, k = 0, ...) {
231                  k <- as.integer(k[1])
232                  dd <- dim(x); sqr <- dd[1] == dd[2]
233                  stopifnot(-dd[1] <= k, k <= dd[1]) # had k <= 0
234                  ## returns "lower triangular" if k <= 0 && sqr
235                  .Call(ddense_band, x, -dd[1], k)
236              })
237    
238    setMethod("triu", "ddenseMatrix",
239              function(x, k = 0, ...) {
240                  k <- as.integer(k[1])
241                  dd <- dim(x); sqr <- dd[1] == dd[2]
242                  stopifnot(-dd[1] <= k, k <= dd[1]) # had k >= 0
243                  ## returns "upper triangular" if k >= 0
244                  .Call(ddense_band, x, k, dd[2])
245              })
246    
247    setMethod("band", "ddenseMatrix",
248              function(x, k1, k2, ...) {
249                  k1 <- as.integer(k1[1])
250                  k2 <- as.integer(k2[1])
251                  dd <- dim(x); sqr <- dd[1] == dd[2]
252                  stopifnot(-dd[1] <= k1, k1 <= k2, k2 <= dd[1])
253                  r <- .Call(ddense_band, x, k1, k2)
254                  if (k1 < 0  &&  k1 == -k2  && isSymmetric(x)) ## symmetric
255                      as(r, paste(.M.kind(x), "syMatrix", sep=''))
256                  else
257                      r
258              })

Legend:
Removed from v.1447  
changed lines
  Added in v.1460

root@r-forge.r-project.org
ViewVC Help
Powered by ViewVC 1.0.0  
Thanks to:
Vienna University of Economics and Business Powered By FusionForge