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

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pkg/R/ddenseMatrix.R revision 2380, Mon May 25 09:45:37 2009 UTC pkg/Matrix/R/ddenseMatrix.R revision 3079, Tue Mar 31 15:29:43 2015 UTC
# Line 17  Line 17 
17  setAs("dtrMatrix", "ltrMatrix", function(from) d2l_Matrix(from, "dtrMatrix"))  setAs("dtrMatrix", "ltrMatrix", function(from) d2l_Matrix(from, "dtrMatrix"))
18  setAs("dtpMatrix", "ltpMatrix", function(from) d2l_Matrix(from, "dtpMatrix"))  setAs("dtpMatrix", "ltpMatrix", function(from) d2l_Matrix(from, "dtpMatrix"))
19    
20    if(FALSE) ## FIXME, this fails for ("dtpMatrix" -> "CsparseMatrix") where .dense2C() works
21  setAs("ddenseMatrix", "CsparseMatrix",  setAs("ddenseMatrix", "CsparseMatrix",
22        function(from) {        function(from) {
23            if (class(from) != "dgeMatrix") # don't lose symmetry/triangularity/...            if (class(from) != "dgeMatrix") # don't lose symmetry/triangularity/...
# Line 30  Line 31 
31    
32  setAs("matrix", "CsparseMatrix",  setAs("matrix", "CsparseMatrix",
33        function(from) .Call(dense_to_Csparse, from))        function(from) .Call(dense_to_Csparse, from))
 ##       function(from) {  
 ##          if(is.numeric(from))  
 ##              .Call(dense_to_Csparse, .Call(dup_mMatrix_as_dgeMatrix, from))  
 ##          else if(is.logical(from)) ## FIXME: this works, but maybe wastefully  
 ##                 as(Matrix(from, sparse=TRUE), "CsparseMatrix")  
 ##          else stop('not-yet-implemented coercion to "CsparseMatrix"')  
 ##       })  
34    
35    ## for historical i.e. backcompatibility reasons ..
 ## special case needed in the Matrix function  
36  setAs("matrix", "dgCMatrix",  setAs("matrix", "dgCMatrix",
37        function(from) {        function(from) {
38            storage.mode(from) <- "double"            storage.mode(from) <- "double"
# Line 50  Line 43 
43        function(from)        function(from)
44        .Call(dense_to_Csparse, .Call(dup_mMatrix_as_dgeMatrix, from)))        .Call(dense_to_Csparse, .Call(dup_mMatrix_as_dgeMatrix, from)))
45    
46  setMethod("as.numeric", signature(x = "ddenseMatrix"),  setMethod("as.numeric", "ddenseMatrix", function(x, ...) ..2dge(x)@x)
           function(x, ...) as(x, "dgeMatrix")@x)  
47    
48  ## -- see also ./Matrix.R  e.g., for a show() method  ## -- see also ./Matrix.R  e.g., for a show() method
49    
# Line 60  Line 52 
52  ## dgeMatrix. Methods for special forms override these.  ## dgeMatrix. Methods for special forms override these.
53    
54  setMethod("norm", signature(x = "ddenseMatrix", type = "missing"),  setMethod("norm", signature(x = "ddenseMatrix", type = "missing"),
55            function(x, type, ...) norm(as(x, "dgeMatrix")))            function(x, type, ...) norm(..2dge(x)))
56    
57  setMethod("norm", signature(x = "ddenseMatrix", type = "character"),  setMethod("norm", signature(x = "ddenseMatrix", type = "character"),
58            function(x, type, ...) norm(as(x, "dgeMatrix"), type))            function(x, type, ...) norm(..2dge(x), type))
59    
60  setMethod("rcond", signature(x = "ddenseMatrix", norm = "missing"),  setMethod("rcond", signature(x = "ddenseMatrix", norm = "missing"),
61            function(x, norm, ...) rcond(as(x, "dgeMatrix"), ...))            function(x, norm, ...) rcond(..2dge(x), ...))
62    
63  setMethod("rcond", signature(x = "ddenseMatrix", norm = "character"),  setMethod("rcond", signature(x = "ddenseMatrix", norm = "character"),
64            function(x, norm, ...) rcond(as(x, "dgeMatrix"), norm, ...))            function(x, norm, ...) rcond(..2dge(x), norm, ...))
65    
66  ## Not really useful; now require *identical* class for result:  ## Not really useful; now require *identical* class for result:
67  ## setMethod("t", signature(x = "ddenseMatrix"),  ## setMethod("t", signature(x = "ddenseMatrix"),
68  ##        function(x) callGeneric(as(x, "dgeMatrix")))  ##        function(x) callGeneric(..2dge(x)))
69    
70  setMethod("diag", signature(x = "ddenseMatrix"),  ## "diag" --> specific methods for dge, dtr,dtp, dsy,dsp
           function(x, nrow, ncol) diag(as(x, "dgeMatrix")))  
71    
72  setMethod("solve", signature(a = "ddenseMatrix", b = "missing"),  setMethod("solve", signature(a = "ddenseMatrix", b = "missing"),
73            function(a, b, ...) solve(as(a, "dgeMatrix")))            function(a, b, ...) solve(..2dge(a)))
74    
75  setMethod("solve", signature(a = "ddenseMatrix", b = "ANY"),  for(.b in c("Matrix","ANY")) ## << against ambiguity notes
76            function(a, b, ...) solve(as(a, "dgeMatrix"), b))  setMethod("solve", signature(a = "ddenseMatrix", b = .b),
77              function(a, b, ...) solve(..2dge(a), b))
78    for(.b in c("matrix","numeric")) ## << against ambiguity notes
79    setMethod("solve", signature(a = "ddenseMatrix", b = .b),
80              function(a, b, ...) solve(..2dge(a), Matrix(b)))
81    rm(.b)
82    
83  setMethod("lu", signature(x = "ddenseMatrix"),  setMethod("lu", signature(x = "ddenseMatrix"),
84            function(x, ...) lu(as(x, "dgeMatrix")))            function(x, ...)
85              .set.factors(x, "LU", lu(..2dge(x), ...)))
86    
87  setMethod("chol", signature(x = "ddenseMatrix"), cholMat)  setMethod("chol", signature(x = "ddenseMatrix"), cholMat)
88    
89  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "missing"),  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "missing"),
90            function(x, logarithm, ...) determinant(as(x, "dgeMatrix")))            function(x, logarithm, ...) determinant(..2dge(x)))
91    
92  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "logical"),  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "logical"),
93            function(x, logarithm, ...)            function(x, logarithm, ...)
94            determinant(as(x, "dgeMatrix"), logarithm))            determinant(..2dge(x), logarithm))
95    
96  ## now done for "dMatrix":  ## now done for "dMatrix":
97  ## setMethod("expm", signature(x = "ddenseMatrix"),  ## setMethod("expm", signature(x = "ddenseMatrix"),
98  ##           function(x) callGeneric(as(x, "dgeMatrix")))  ##           function(x) callGeneric(..2dge(x)))
   
 setMethod("Math",  
           signature(x = "ddenseMatrix"),  
           function(x) callGeneric(as(x, "dgeMatrix")))  
   
99    
100    
101  .trilDense <- function(x, k = 0, ...) {  .trilDense <- function(x, k = 0, ...) {
# Line 149  Line 141 
141  setMethod("skewpart", signature(x = "ddenseMatrix"),  setMethod("skewpart", signature(x = "ddenseMatrix"),
142            function(x) .Call(ddense_skewpart, x))            function(x) .Call(ddense_skewpart, x))
143    
144    
145    setMethod("is.finite", signature(x = "dgeMatrix"),
146              function(x) {
147                  if(all(ifin <- is.finite(x@x)))
148                      allTrueMat(x)
149                  else if(any(ifin)) {
150                      r <- as(x, "lMatrix") #-> logical x-slot
151                      r@x <- ifin
152                      as(r, "nMatrix")
153                  }
154                  else is.na_nsp(x)
155              })
156    
157    ## TODO? -- rather methods for specific subclasses of ddenseMatrix
158    setMethod("is.finite", signature(x = "ddenseMatrix"),
159              function(x) {
160                  if(all(ifin <- is.finite(x@x))) return(allTrueMat(x))
161                  ## *NOT* dge, i.e., either triangular or symmetric
162                  ## (possibly packed): has finite 0-triangle
163                  cdx <- getClassDef(class(x))
164    
165                  r <- new(if(extends(cdx,"symmetricMatrix"))"nsyMatrix" else "ngeMatrix")
166                  r@Dim <- (d <- x@Dim)
167                  r@Dimnames <- x@Dimnames
168                  isPacked <- (le <- prod(d)) > length(ifin)
169                  r@x <- rep.int(TRUE, le)
170                  iTr <- indTri(d[1], upper= x@uplo == "U", diag= TRUE)
171                  if(isPacked) { ## x@x is "usable"
172                      r@x[iTr] <- ifin
173                  } else {
174                      r@x[iTr] <- ifin[iTr]
175                  }
176                  r
177              })
178    
179    setMethod("is.infinite", signature(x = "ddenseMatrix"),
180              function(x) {
181                  if(any((isInf <- is.infinite(x@x)))) {
182                      r <- as(x, "lMatrix")#-> logical x-slot; 0 |--> FALSE
183                      r@x <- isInf
184                      as(r, "nMatrix")# often sparse .. better way?
185                  }
186                  else is.na_nsp(x)
187              })

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