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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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revision 1945, Wed Jul 4 18:07:07 2007 UTC revision 2346, Thu Mar 12 10:40:52 2009 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))
9            if (class(from) != "dgeMatrix")  
10                .Call(dup_mMatrix_as_dgeMatrix, from)  setAs("ddenseMatrix", "matrix",
11            else from        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 30  Line 29 
29        function(from) .Call(dense_to_Csparse, from))        function(from) .Call(dense_to_Csparse, from))
30    
31  setAs("matrix", "CsparseMatrix",  setAs("matrix", "CsparseMatrix",
32        function(from) {        function(from) .Call(dense_to_Csparse, from))
33              if(is.numeric(from))  ##       function(from) {
34                  .Call(dense_to_Csparse, .Call(dup_mMatrix_as_dgeMatrix, from))  ##          if(is.numeric(from))
35              else if(is.logical(from)) ## FIXME: this works, but maybe wastefully  ##              .Call(dense_to_Csparse, .Call(dup_mMatrix_as_dgeMatrix, from))
36                  as(Matrix(from, sparse=TRUE), "CsparseMatrix")  ##          else if(is.logical(from)) ## FIXME: this works, but maybe wastefully
37              else stop('not-yet-implemented coercion to "CsparseMatrix"')  ##                 as(Matrix(from, sparse=TRUE), "CsparseMatrix")
38        })  ##          else stop('not-yet-implemented coercion to "CsparseMatrix"')
39    ##       })
40    
41    
42  ## special case needed in the Matrix function  ## special case needed in the Matrix function
# Line 60  Line 60 
60  ## dgeMatrix. Methods for special forms override these.  ## dgeMatrix. Methods for special forms override these.
61    
62  setMethod("norm", signature(x = "ddenseMatrix", type = "missing"),  setMethod("norm", signature(x = "ddenseMatrix", type = "missing"),
63            function(x, type, ...) callGeneric(as(x, "dgeMatrix")))            function(x, type, ...) norm(as(x, "dgeMatrix")))
64    
65  setMethod("norm", signature(x = "ddenseMatrix", type = "character"),  setMethod("norm", signature(x = "ddenseMatrix", type = "character"),
66            function(x, type, ...) callGeneric(as(x, "dgeMatrix"), type))            function(x, type, ...) norm(as(x, "dgeMatrix"), type))
67    
68  setMethod("rcond", signature(x = "ddenseMatrix", type = "missing"),  setMethod("rcond", signature(x = "ddenseMatrix", norm = "missing"),
69            function(x, type, ...) callGeneric(as(x, "dgeMatrix")))            function(x, norm, ...) rcond(as(x, "dgeMatrix"), ...))
70    
71  setMethod("rcond", signature(x = "ddenseMatrix", type = "character"),  setMethod("rcond", signature(x = "ddenseMatrix", norm = "character"),
72            function(x, type, ...) callGeneric(as(x, "dgeMatrix"), type))            function(x, norm, ...) rcond(as(x, "dgeMatrix"), norm, ...))
73    
74  ## Not really useful; now require *identical* class for result:  ## Not really useful; now require *identical* class for result:
75  ## setMethod("t", signature(x = "ddenseMatrix"),  ## setMethod("t", signature(x = "ddenseMatrix"),
76  ##        function(x) callGeneric(as(x, "dgeMatrix")))  ##        function(x) callGeneric(as(x, "dgeMatrix")))
77    
78  setMethod("tcrossprod", signature(x = "ddenseMatrix", y = "missing"),  setMethod("tcrossprod", signature(x = "ddenseMatrix", y = "missing"),
79            function(x, y = NULL) callGeneric(as(x, "dgeMatrix")))            function(x, y = NULL) tcrossprod(as(x, "dgeMatrix")))
80    
81  setMethod("crossprod", signature(x = "ddenseMatrix", y = "missing"),  setMethod("crossprod", signature(x = "ddenseMatrix", y = "missing"),
82            function(x, y = NULL) callGeneric(as(x, "dgeMatrix")))            function(x, y = NULL) crossprod(as(x, "dgeMatrix")))
83    
84  setMethod("diag", signature(x = "ddenseMatrix"),  setMethod("diag", signature(x = "ddenseMatrix"),
85            function(x, nrow, ncol = n) callGeneric(as(x, "dgeMatrix")))            function(x, nrow, ncol) diag(as(x, "dgeMatrix")))
86    
87  setMethod("solve", signature(a = "ddenseMatrix", b = "missing"),  setMethod("solve", signature(a = "ddenseMatrix", b = "missing"),
88            function(a, b, ...) callGeneric(as(a, "dgeMatrix")))            function(a, b, ...) solve(as(a, "dgeMatrix")))
89    
90  setMethod("solve", signature(a = "ddenseMatrix", b = "ANY"),  setMethod("solve", signature(a = "ddenseMatrix", b = "ANY"),
91            function(a, b, ...) callGeneric(as(a, "dgeMatrix"), b))            function(a, b, ...) solve(as(a, "dgeMatrix"), b))
92    
93  ## General method for dense matrix multiplication in case specific methods  ## General method for dense matrix multiplication in case specific methods
94  ## have not been defined.  ## have not been defined.
# Line 98  Line 98 
98            valueClass = "dgeMatrix")            valueClass = "dgeMatrix")
99    
100  setMethod("lu", signature(x = "ddenseMatrix"),  setMethod("lu", signature(x = "ddenseMatrix"),
101            function(x, ...) callGeneric(as(x, "dgeMatrix")))            function(x, ...) lu(as(x, "dgeMatrix")))
102    
103  setMethod("chol", signature(x = "ddenseMatrix", pivot = "ANY"), cholMat)  setMethod("chol", signature(x = "ddenseMatrix"), cholMat)
104    
105  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "missing"),  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "missing"),
106            function(x, logarithm, ...) callGeneric(as(x, "dgeMatrix")))            function(x, logarithm, ...) determinant(as(x, "dgeMatrix")))
107    
108  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "logical"),  setMethod("determinant", signature(x = "ddenseMatrix", logarithm = "logical"),
109            function(x, logarithm, ...)            function(x, logarithm, ...)
110            callGeneric(as(x, "dgeMatrix"), logarithm))            determinant(as(x, "dgeMatrix"), logarithm))
111    
112  ## now done for "dMatrix":  ## now done for "dMatrix":
113  ## setMethod("expm", signature(x = "ddenseMatrix"),  ## setMethod("expm", signature(x = "ddenseMatrix"),
114  ##           function(x) callGeneric(as(x, "dgeMatrix")))  ##           function(x) callGeneric(as(x, "dgeMatrix")))
115    
 setMethod("Schur", signature(x = "ddenseMatrix", vectors = "missing"),  
           function(x, vectors, ...) callGeneric(as(x, "dgeMatrix")))  
   
 setMethod("Schur", signature(x = "ddenseMatrix", vectors = "logical"),  
           function(x, vectors, ...) callGeneric(as(x, "dgeMatrix"), vectors))  
   
   
116  setMethod("Math",  setMethod("Math",
117            signature(x = "ddenseMatrix"),            signature(x = "ddenseMatrix"),
118            function(x) callGeneric(as(x, "dgeMatrix")))            function(x) callGeneric(as(x, "dgeMatrix")))
119    
120    
 ### FIXME: band() et al should be extended from "ddense" to "dense" !  
 ###        However, needs much work to generalize dup_mMatrix_as_dgeMatrix()  
121    
122  ## NB: have extra tril(), triu() methods for symmetric ["dsy" and "dsp"] and  .trilDense <- function(x, k = 0, ...) {
 ##     for triangular ["dtr" and "dtp"]  
 setMethod("tril", "ddenseMatrix",  
           function(x, k = 0, ...) {  
123                k <- as.integer(k[1])                k <- as.integer(k[1])
124                dd <- dim(x); sqr <- dd[1] == dd[2]      d <- dim(x)
125                stopifnot(-dd[1] <= k, k <= dd[1]) # had k <= 0      stopifnot(-d[1] <= k, k <= d[1]) # had k <= 0
126                ## returns "lower triangular" if k <= 0 && sqr                ## returns "lower triangular" if k <= 0 && sqr
127                .Call(ddense_band, x, -dd[1], k)      .Call(dense_band, x, -d[1], k)
128            })  }
129    ## NB: have extra tril(), triu() methods for symmetric ["dsy" and "dsp"] and
130    ##     for triangular ["dtr" and "dtp"]
131    setMethod("tril", "denseMatrix", .trilDense)
132    setMethod("tril",      "matrix", .trilDense)
133    
134  setMethod("triu", "ddenseMatrix",  .triuDense <- function(x, k = 0, ...) {
           function(x, k = 0, ...) {  
135                k <- as.integer(k[1])                k <- as.integer(k[1])
136                dd <- dim(x); sqr <- dd[1] == dd[2]      d <- dim(x)
137                stopifnot(-dd[1] <= k, k <= dd[1]) # had k >= 0      stopifnot(-d[1] <= k, k <= d[1]) # had k >= 0
138                ## returns "upper triangular" if k >= 0                ## returns "upper triangular" if k >= 0
139                .Call(ddense_band, x, k, dd[2])      .Call(dense_band, x, k, d[2])
140            })  }
141    setMethod("triu", "denseMatrix", .triuDense)
142    setMethod("triu",      "matrix", .triuDense)
143    
144  setMethod("band", "ddenseMatrix",  .bandDense <- function(x, k1, k2, ...) {
           function(x, k1, k2, ...) {  
145                k1 <- as.integer(k1[1])                k1 <- as.integer(k1[1])
146                k2 <- as.integer(k2[1])                k2 <- as.integer(k2[1])
147                dd <- dim(x); sqr <- dd[1] == dd[2]      dd <- dim(x)
148                stopifnot(-dd[1] <= k1, k1 <= k2, k2 <= dd[1])      sqr <- dd[1] == dd[2]
149                r <- .Call(ddense_band, x, k1, k2)      stopifnot(-dd[1] <= k1, k1 <= k2, k2 <= dd[2])
150                if (k1 < 0  &&  k1 == -k2  && isSymmetric(x)) ## symmetric      r <- .Call(dense_band, x, k1, k2)
151                    as(r, paste(.M.kind(x), "syMatrix", sep=''))      if (sqr &&  k1 < 0 &&  k1 == -k2  && isSymmetric(x)) ## symmetric
152            forceSymmetric(r)
153                else                else
154                    r                    r
155            })  }
156    setMethod("band", "denseMatrix", .bandDense)
157    setMethod("band",      "matrix", .bandDense)
158    
159    
160    setMethod("symmpart", signature(x = "ddenseMatrix"),
161              function(x) .Call(ddense_symmpart, x))
162    setMethod("skewpart", signature(x = "ddenseMatrix"),
163              function(x) .Call(ddense_skewpart, x))
164    

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