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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 2123, Wed Mar 5 08:44:52 2008 UTC pkg/Matrix/R/ddenseMatrix.R revision 2586, Sun Jul 25 02:32:06 2010 UTC
# Line 5  Line 5 
5  ##   -----  in  ../src/Mutils.c  ##   -----  in  ../src/Mutils.c
6    
7  setAs("ddenseMatrix", "dgeMatrix",  setAs("ddenseMatrix", "dgeMatrix",
8        function(from) {        function(from) .Call(dup_mMatrix_as_dgeMatrix, from))
           if (class(from) != "dgeMatrix")  
               .Call(dup_mMatrix_as_dgeMatrix, from)  
           else from  
       })  
9    
10    setAs("ddenseMatrix", "matrix",
11          function(from) as(as(from, "dgeMatrix"), "matrix"))
12    
13  ## d(ouble) to l(ogical):  ## d(ouble) to l(ogical):
14  setAs("dgeMatrix", "lgeMatrix", function(from) d2l_Matrix(from, "dgeMatrix"))  setAs("dgeMatrix", "lgeMatrix", function(from) d2l_Matrix(from, "dgeMatrix"))
# Line 19  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 67  Line 66 
66  setMethod("norm", signature(x = "ddenseMatrix", type = "character"),  setMethod("norm", signature(x = "ddenseMatrix", type = "character"),
67            function(x, type, ...) norm(as(x, "dgeMatrix"), type))            function(x, type, ...) norm(as(x, "dgeMatrix"), type))
68    
69  setMethod("rcond", signature(x = "ddenseMatrix", type = "missing"),  setMethod("rcond", signature(x = "ddenseMatrix", norm = "missing"),
70            function(x, type, ...) rcond(as(x, "dgeMatrix")))            function(x, norm, ...) rcond(as(x, "dgeMatrix"), ...))
71    
72  setMethod("rcond", signature(x = "ddenseMatrix", type = "character"),  setMethod("rcond", signature(x = "ddenseMatrix", norm = "character"),
73            function(x, type, ...) rcond(as(x, "dgeMatrix"), type))            function(x, norm, ...) rcond(as(x, "dgeMatrix"), norm, ...))
74    
75  ## Not really useful; now require *identical* class for result:  ## Not really useful; now require *identical* class for result:
76  ## setMethod("t", signature(x = "ddenseMatrix"),  ## setMethod("t", signature(x = "ddenseMatrix"),
77  ##        function(x) callGeneric(as(x, "dgeMatrix")))  ##        function(x) callGeneric(as(x, "dgeMatrix")))
78    
 setMethod("tcrossprod", signature(x = "ddenseMatrix", y = "missing"),  
           function(x, y = NULL) tcrossprod(as(x, "dgeMatrix")))  
   
 setMethod("crossprod", signature(x = "ddenseMatrix", y = "missing"),  
           function(x, y = NULL) crossprod(as(x, "dgeMatrix")))  
   
79  setMethod("diag", signature(x = "ddenseMatrix"),  setMethod("diag", signature(x = "ddenseMatrix"),
80            function(x, nrow, ncol) diag(as(x, "dgeMatrix")))            function(x, nrow, ncol) diag(as(x, "dgeMatrix")))
81    
82  setMethod("solve", signature(a = "ddenseMatrix", b = "missing"),  setMethod("solve", signature(a = "ddenseMatrix", b = "missing"),
83            function(a, b, ...) solve(as(a, "dgeMatrix")))            function(a, b, ...) solve(as(a, "dgeMatrix")))
84    
85  setMethod("solve", signature(a = "ddenseMatrix", b = "ANY"),  for(.b in c("Matrix","ANY")) ## << against ambiguity notes
86    setMethod("solve", signature(a = "ddenseMatrix", b = .b),
87            function(a, b, ...) solve(as(a, "dgeMatrix"), b))            function(a, b, ...) solve(as(a, "dgeMatrix"), b))
88    for(.b in c("matrix","numeric")) ## << against ambiguity notes
89  ## General method for dense matrix multiplication in case specific methods  setMethod("solve", signature(a = "ddenseMatrix", b = .b),
90  ## have not been defined.            function(a, b, ...) solve(as(a, "dgeMatrix"), Matrix(b)))
 setMethod("%*%", signature(x = "ddenseMatrix", y = "ddenseMatrix"),  
           function(x, y) .Call(dgeMatrix_matrix_mm,  
                                .Call(dup_mMatrix_as_dgeMatrix, x), y, FALSE),  
           valueClass = "dgeMatrix")  
91    
92  setMethod("lu", signature(x = "ddenseMatrix"),  setMethod("lu", signature(x = "ddenseMatrix"),
93            function(x, ...) lu(as(x, "dgeMatrix")))            function(x, ...) lu(as(x, "dgeMatrix"), ...))
94    
95  setMethod("chol", signature(x = "ddenseMatrix", pivot = "ANY"), cholMat)  setMethod("chol", signature(x = "ddenseMatrix"), cholMat)
96    
97  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "missing"),  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "missing"),
98            function(x, logarithm, ...) determinant(as(x, "dgeMatrix")))            function(x, logarithm, ...) determinant(as(x, "dgeMatrix")))
# Line 146  Line 136 
136  .bandDense <- function(x, k1, k2, ...) {  .bandDense <- function(x, k1, k2, ...) {
137      k1 <- as.integer(k1[1])      k1 <- as.integer(k1[1])
138      k2 <- as.integer(k2[1])      k2 <- as.integer(k2[1])
139      dd <- dim(x); sqr <- dd[1] == dd[2]      dd <- dim(x)
140      stopifnot(-dd[1] <= k1, k1 <= k2, k2 <= dd[1])      sqr <- dd[1] == dd[2]
141        stopifnot(-dd[1] <= k1, k1 <= k2, k2 <= dd[2])
142      r <- .Call(dense_band, x, k1, k2)      r <- .Call(dense_band, x, k1, k2)
143      if (sqr &&  k1 < 0 &&  k1 == -k2  && isSymmetric(x)) ## symmetric      if (sqr &&  k1 < 0 &&  k1 == -k2  && isSymmetric(x)) ## symmetric
144          forceSymmetric(r)          forceSymmetric(r)

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